{"id":2203,"date":"2022-03-28T16:33:46","date_gmt":"2022-03-28T08:33:46","guid":{"rendered":"https:\/\/aif.amtbbs.org\/?p=2203"},"modified":"2022-03-28T16:33:46","modified_gmt":"2022-03-28T08:33:46","slug":"%e5%a6%82%e4%bd%95%e6%8f%90%e5%8d%87-hbase-%e5%a4%a7%e8%a7%84%e6%a8%a1%e9%9b%86%e7%be%a4%e4%b8%8b%e7%9a%84%e4%bd%8e%e5%bb%b6%e6%97%b6%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/aif.amtbbs.org\/index.php\/2022\/03\/28\/2203\/","title":{"rendered":"\u5982\u4f55\u63d0\u5347 HBase \u5927\u89c4\u6a21\u96c6\u7fa4\u4e0b\u7684\u4f4e\u5ef6\u65f6\u6027\u80fd"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2204\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61.png\" width=\"1080\" height=\"724\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61.png 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61-300x201.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61-1024x686.png 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61-768x515.png 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<section>\n<section>\u4f5c\u8005 | Bryan Beaudreault<\/section>\n<section>\u8bd1\u8005 | Sambodhi<\/section>\n<section>\u7b56\u5212 | Tina<\/section>\n<section>HubSpot \u7684\u6570\u636e\u57fa\u7840\u8bbe\u65bd\u56e2\u961f\uff0c\u6bcf\u5929\u90fd\u8981\u5904\u7406 2.5PB \u4ee5\u4e0a\u7684\u4f4e\u5ef6\u8fdf\u6d41\u91cf\uff0c\u4ed6\u4eec\u4eb2\u773c\u76ee\u7779\u4e86 Locality \u5bf9\u4e8e HBase \u7684\u6027\u80fd\u6709\u591a\u4e48\u91cd\u8981\u3002\u8bf7\u7ee7\u7eed\u9605\u8bfb\uff0c\u4ee5\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u8fd9\u4e9b\u95ee\u9898\uff1a\u4ec0\u4e48\u662f Locality \uff0c\u4e3a\u4ec0\u4e48\u5982\u6b64\u91cd\u8981\uff0c\u4ee5\u53ca\u6211\u4eec\u5982\u4f55\u5728\u4e0d\u65ad\u589e\u957f\u7684 HBase \u96c6\u7fa4\u4e2d\u4f7f\u4fdd\u6301 Locality \u6210\u4e3a\u4e00\u4e2a\u4e0d\u6210\u95ee\u9898\u7684\u95ee\u9898\u3002<\/section>\n<p>HubSpot \u7684\u4e00\u4e9b\u6700\u5927\u7684\u6570\u636e\u96c6\u5b58\u50a8\u5728 HBase \u4e2d\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u5206\u5e03\u5f0f\u7684\u3001\u7248\u672c\u5316\u7684\u3001\u975e\u5173\u7cfb\u578b\u7684\u6570\u636e\u5e93\uff0c\u6a21\u4eff\u8c37\u6b4c\u7684 BigTable\u3002\u6211\u4eec\u62e5\u6709\u5c06\u8fd1 100 \u4e2a\u751f\u4ea7 HBase \u96c6\u7fa4\uff0c\u5305\u62ec\u4e9a\u9a6c\u900a\u4e91\u79d1\u6280\u4e24\u4e2a\u533a\u57df\u7684 7000 \u591a\u4e2a RegionServer\u3002\u8fd9\u4e9b\u96c6\u7fa4\u6bcf\u5929\u80fd\u5904\u7406 2.5PB \u4ee5\u4e0a\u7684\u4f4e\u5ef6\u8fdf\u6d41\u91cf\uff0c\u7531\u4e8e\u4e9a\u9a6c\u900a\u4e91\u79d1\u6280\u7684\u6bcf\u4e2a\u533a\u57df\u662f\u7531\u591a\u4e2a\u6570\u636e\u4e2d\u5fc3\u7ec4\u6210\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u8ba4\u4e3a\uff0cLocality\uff08\u8bd1\u6ce8\uff1a\u5373\u5c40\u90e8\u6027 \u3001\u672c\u5730\u6027\uff0c\u6307\u5c06\u6570\u636e\u653e\u5728\u79bb\u9700\u8981\u8005\u5c3d\u53ef\u80fd\u8fd1\u7684\u5730\u65b9\uff09\u662f\u4fdd\u6301\u8fd9\u4e9b\u5ef6\u8fdf\u7684\u5173\u952e\u3002<\/p>\n<section>\u4ec0\u4e48\u662f Locality\uff1f<\/section>\n<p>HBase \u6570\u636e\u5b58\u50a8\u5728 HDFS \u4e2d\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f1a\u6709 3 \u79cd\u65b9\u5f0f\u6765\u590d\u5236\u4f60\u7684\u6570\u636e\u3002<\/p>\n<ul class=\"list-paddingleft-1\">\n<li>\u5982\u679c\u53ef\u80fd\u7684\u8bdd\uff0c\u7b2c\u4e00\u4e2a\u526f\u672c\u4f1a\u5728\u672c\u5730\u5199\u5165\u5ba2\u6237\u7aef\uff08HBase RegionServer\uff09\u3002<\/li>\n<li>\u7b2c\u4e8c\u4e2a\u526f\u672c\u88ab\u5199\u5230\u4e0e\u7b2c\u4e00\u4e2a\u526f\u672c\u4e0d\u540c\u673a\u67b6\u4e0a\u7684\u4e3b\u673a\u4e0a\u3002<\/li>\n<li>\u7b2c\u4e09\u4e2a\u526f\u672c\u88ab\u5199\u5230\u7b2c\u4e8c\u4e2a\u673a\u67b6\u4e0a\u7684\u4e0d\u540c\u4e3b\u673a\u4e0a\u3002<\/li>\n<\/ul>\n<p>\u6240\u6709\u8fd9\u4e9b\u90fd\u662f\u5f88\u597d\u7684\u505a\u6cd5\uff0c\u4f46\u662f HBase \u6570\u636e\u4e5f\u88ab\u5206\u5272\u6210\u4e86\u8fde\u7eed\u7684\u5c0f\u5757\uff0c\u79f0\u4e3a\u533a\u57df\uff08regions\uff09\u3002\u533a\u57df\u5fc5\u987b\u80fd\u8fc5\u901f\u5730\u5728\u4e0d\u540c\u7684\u4e3b\u673a\u95f4\u79fb\u52a8\uff0c\u4ece\u800c\u5728\u6258\u7ba1 RegionServer \u5d29\u6e83\u7b49\u60c5\u51b5\u4e0b\uff0c\u80fd\u591f\u7ef4\u6301\u53ef\u7528\u6027\u3002\u4e3a\u4e86\u4fdd\u8bc1\u5feb\u901f\uff0c\u5f53\u4e00\u4e2a\u533a\u57df\u79fb\u52a8\u65f6\uff0c\u5e95\u5c42\u6570\u636e\u5757\u4e0d\u4f1a\u79fb\u52a8\u3002HBase \u4f9d\u7136\u53ef\u4ee5\u8f7b\u677e\u5730\u4ece 3 \u4e2a\u526f\u672c\u4e3b\u673a\u4e2d\u4ecd\u7136\u53ef\u7528\u7684\u4efb\u610f\u4e00\u4e2a\u8fdc\u7a0b\u83b7\u5f97\u6570\u636e\uff0c\u4ece\u800c\u4e3a\u8be5\u533a\u57df\u63d0\u4f9b\u6570\u636e\u3002<\/p>\n<p>\u5728\u9ad8\u5ea6\u4f18\u5316\u7684\u5355\u4e00\u6570\u636e\u4e2d\u5fc3\u4e2d\uff0c\u8fdc\u7a0b\u4e3b\u673a\u7684\u8bbf\u95ee\u5bf9\u5ef6\u8fdf\u7684\u5f71\u54cd\u5fae\u4e4e\u5176\u5fae\u3002\u5728\u4e91\u4e2d\uff0c\u8fd9\u4e9b\u526f\u672c\u4e3b\u673a\u53ef\u80fd\u4e0e\u8bf7\u6c42\u7684 RegionServer \u4e0d\u5728\u540c\u4e00\u680b\u697c\u91cc\uff0c\u751a\u81f3\u4e0d\u5728\u540c\u4e00\u4e2a\u5730\u533a\u3002\u5728\u8fd0\u884c\u4e00\u4e2a\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u8fd9\u4e2a\u9644\u52a0\u7684\u7f51\u7edc\u8df3\u8dc3\u4f1a\u5bf9\u7ec8\u7aef\u7528\u6237\u7684\u6027\u80fd\u9020\u6210\u5f88\u5927\u7684\u5f71\u54cd\u3002<\/p>\n<p>Locality \u662f\u8861\u91cf RegionServer \u7684\u6570\u636e\u5728\u7ed9\u5b9a\u65f6\u95f4\u5185\u5b58\u50a8\u5728\u672c\u5730\u7684\u767e\u5206\u6bd4\uff0c\u8fd9\u4e5f\u662f\u6211\u4eec\u5728 HubSpot \u975e\u5e38\u5bc6\u5207\u76d1\u6d4b\u7684\u4e00\u4e2a\u6307\u6807\u3002HDFS \u9664\u4e86\u5177\u6709\u7f51\u7edc\u5ef6\u8fdf\u4e4b\u5916\uff0c\u8fd8\u5177\u6709\u201c\u77ed\u8def\u8bfb\u53d6\u201d\u7684\u7279\u6027\u3002\u5f53\u6570\u636e\u5728\u672c\u5730\u65f6\uff0c\u901a\u8fc7\u77ed\u8def\u8bfb\u53d6\uff0c\u53ef\u4ee5\u4f7f\u5ba2\u6237\u7aef\uff08HBase\uff09\u5728\u4e0d\u901a\u8fc7\u96c6\u4e2d\u7684 HDFS \u6570\u636e\u8282\u70b9\u5904\u7406\u7684\u60c5\u51b5\u4e0b\uff0c\u4ece\u78c1\u76d8\u4e0a\u76f4\u63a5\u8bfb\u51fa\u6570\u636e\u6587\u4ef6\u3002\u8fd9\u5c06\u4f1a\u964d\u4f4e\u53ef\u80fd\u6765\u81ea TCP \u6808\u6216 DataNode \u8fdb\u7a0b\u672c\u8eab\u7684\u5ef6\u8fdf\u3002<\/p>\n<p>\u5728\u8fc7\u53bb\u7684\u51e0\u5e74\u4e2d\uff0c\u6211\u4eec\u4e00\u76f4\u5728\u5b9a\u671f\u8fdb\u884c\u6027\u80fd\u6d4b\u8bd5\uff0c\u4ee5\u786e\u8ba4 Locality \u5bf9\u5ef6\u8fdf\u7684\u5f71\u54cd\u3002\u4e0b\u9762\u662f\u6211\u4eec\u6700\u8fd1\u4e00\u6b21\u6d4b\u8bd5\u7684\u4e00\u4e9b\u7ed3\u679c<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2206\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-60.jpg\" width=\"709\" height=\"332\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-60.jpg 709w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-60-300x140.jpg 300w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/p>\n<p>\u6240\u6709\u8fd9\u56db\u4e2a\u56fe\u8868\u90fd\u6709\u76f8\u540c\u7684\u65f6\u95f4\u7a97\u53e3\u3002\u5728\u8fd9\u4e2a\u65f6\u95f4\u7a97\u53e3\u5f00\u59cb\u65f6\uff0c\u6211\u6253\u4e71\u4e86\u5904\u7406\u96c6\u7fa4\u4e0a\u7684 Locality\u3002\u6b63\u5982\u4f60\u6240\u770b\u5230\u7684\uff0c\u5355\u4e2a Get \u5ef6\u8fdf\uff08\u5de6\u4e0a\u56fe\uff09\u6ca1\u6709\u53d7\u5230\u5f88\u5927\u7684\u5f71\u54cd\uff0c\u4f46\u541e\u5410\u91cf\uff08\u53f3\u4e0a\u56fe\uff09\u5374\u663e\u8457\u5730\u4e0b\u964d\u4e86\u3002MultiGets \u5728\u5ef6\u8fdf\uff08\u5de6\u4e0b\u89d2\uff09\u548c\u541e\u5410\u91cf\uff08\u53f3\u4e0b\u89d2\uff09\u65b9\u9762\u53d7\u5230\u660e\u663e\u7684\u5f71\u54cd\u3002\u6211\u4eec\u53d1\u73b0\uff0c\u4e00\u822c\u6765\u8bf4\uff0cMultiGets \u5bf9\u5ef6\u8fdf\u56de\u5f52\u683c\u5916\u654f\u611f\uff0c\u56e0\u4e3a\u5b83\u4eec\u4f1a\u51fb\u4e2d\u591a\u4e2a RegionServer\uff0c\u901a\u5e38\u81f3\u5c11\u4e0e\u6700\u6162\u7684\u76ee\u6807\u4e00\u6837\u6162\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u51e0\u4e2a\u6708\u524d\u6211\u4eec\u9047\u5230\u7684\u4e00\u4e2a\u751f\u4ea7\u4e8b\u6545\u7684\u4f8b\u5b50\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2207\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61.jpg\" width=\"1080\" height=\"287\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61-300x80.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61-1024x272.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-61-768x204.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u8fd9\u4e2a\u96c6\u7fa4\u6709\u4e00\u4e2a\u76f8\u5bf9\u8f83\u5c0f\u7684\u6570\u636e\u96c6\uff0c\u4f46\u8d1f\u8f7d\u8f83\u91cd\u3002\u5de6\u8f74\uff08\u6d45\u7d2b\u8272\uff09\u662f\u7b2c 99 \u4e2a\u767e\u5206\u70b9\u7684\u5ef6\u8fdf\uff0c\u800c\u53f3\u8f74\uff08\u84dd\u8272\u865a\u7ebf\uff09\u662f Locality\u3002\u5728\u8fd9\u6b21\u4e8b\u4ef6\u4e2d \uff0cLocality \u7ea6\u4e3a 10%\uff0c\u5ef6\u8fdf\u5728 2~8 \u79d2\u4e4b\u95f4\u3002\u5229\u7528\u6211\u4eec\u5c06\u5728\u672c\u6587\u8ba8\u8bba\u7684\u5de5\u5177\uff0c\u6211\u4eec\u5728 11 \u70b9\u5de6\u53f3\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u2014\u2014\u5728\u77ed\u77ed\u51e0\u5206\u949f\u5185\uff0c\u6211\u4eec\u5c31\u5c06 Locality \u63d0\u9ad8\u5230 100%\uff0c\u5e76\u4f7f\u5ef6\u8fdf\u51cf\u5c11\u5230\u4e0d\u8db3 1 \u79d2\u3002<\/p>\n<section>\u89e3\u51b3 Locality \u95ee\u9898<\/section>\n<p>Locality \u53ef\u80fd\u4f1a\u56e0\u4e3a\u4e0d\u540c\u7684\u539f\u56e0\u800c\u4e0b\u964d\uff0c\u800c\u6240\u6709\u8fd9\u4e9b\u539f\u56e0\u90fd\u6e90\u4e8e\u533a\u57df\u7684\u79fb\u52a8\uff1a<\/p>\n<ul class=\"list-paddingleft-1\">\n<li>RegionServer \u53ef\u80fd\u4f1a\u5d29\u6e83\uff0c\u6240\u4ee5\u5b83\u7684\u6240\u6709\u533a\u57df\u4f1a\u968f\u673a\u5730\u5206\u5e03\u5728\u96c6\u7fa4\u4e2d\u3002<\/li>\n<li>Balancer \u53ef\u80fd\u4f1a\u79fb\u52a8\u4e00\u4e9b\u533a\u57df\u4ee5\u66f4\u597d\u5730\u5206\u914d\u8bf7\u6c42\u8d1f\u8f7d\u3002<\/li>\n<li>\u4f60\u53ef\u80fd\u4f1a\u6269\u5927\u6216\u7f29\u5c0f\u96c6\u7fa4\u7684\u89c4\u6a21\uff0c\u4ece\u800c\u5bfc\u81f4\u533a\u57df\u79fb\u52a8\u4ee5\u9002\u5e94\u65b0\u7684\u89c4\u6a21\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u4e09\u79cd\u7406\u7531\u5728\u6211\u4eec\u770b\u6765\u90fd\u662f\u5f88\u666e\u904d\u7684\u3002\u5f53 Locality \u4e0b\u964d\u65f6\uff0c\u4f60\u6709\u4e24\u79cd\u9009\u62e9\uff1a<\/p>\n<ul class=\"list-paddingleft-1\">\n<li>\u5229\u7528 Balancer \u5c06\u533a\u57df\u79fb\u56de\u5b83\u4eec\u6709\u826f\u597d Locality \u7684\u5730\u65b9\u3002\u8fd9\u5f88\u5c11\u662f\u4e00\u4e2a\u597d\u7684\u9009\u62e9\u3002<\/li>\n<li>\u5728\u672c\u5730\u91cd\u5199\u6570\u636e\uff0c\u4f7f\u7528\u201c\u9ad8\u5ea6\u538b\u5b9e\u201d\uff08major compaction\uff09\u3002<\/li>\n<\/ul>\n<p>HBase \u4e2d\u7684\u6570\u636e\u6700\u521d\u88ab\u5199\u5230\u5185\u5b58\u4e2d\u3002\u5f53\u5185\u5b58\u4e2d\u7684\u6570\u636e\u8fbe\u5230\u4e00\u5b9a\u7684\u9608\u503c\u65f6\uff0c\u5b83\u5c31\u4f1a\u88ab\u5237\u5230\u78c1\u76d8\u4e0a\uff0c\u4ece\u800c\u5f62\u6210\u4e0d\u53ef\u53d8\u7684 StoreFile\u3002\u7531\u4e8e StoreFile \u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u6240\u4ee5\u66f4\u65b0\u548c\u5220\u9664\u4e0d\u4f1a\u5bf9\u6570\u636e\u8fdb\u884c\u76f4\u63a5\u7684\u4fee\u6539\u3002\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\uff0c\u5b83\u4eec\u548c\u5176\u4ed6\u65b0\u7684\u6570\u636e\u4e00\u8d77\uff0c\u88ab\u5199\u5165\u5230\u65b0\u7684 StoreFile \u4e2d\u3002\u4e45\u800c\u4e45\u4e4b\uff0c\u4f60\u5c31\u4f1a\u521b\u5efa\u5f88\u591a StoreFile\uff0c\u5728\u8bfb\u53d6\u65f6\uff0c\u8fd9\u4e9b\u66f4\u65b0\u9700\u8981\u8ddf\u65e7\u6570\u636e\u8fdb\u884c\u534f\u8c03\u3002\u8fd9\u79cd\u5373\u65f6\u7684\u5ba1\u6838\u4f1a\u51cf\u6162\u8bfb\u53d6\u901f\u5ea6\uff0c\u56e0\u6b64\u4f1a\u6267\u884c\u540e\u53f0\u7ef4\u62a4\u4efb\u52a1\u6765\u5408\u5e76 StoreFile\u3002\u8fd9\u4e9b\u4efb\u52a1\u88ab\u79f0\u4e3a\u201c\u538b\u5b9e\u201d\uff08compaction\uff09\uff0c\u5b83\u4eec\u88ab\u5206\u6210\u4e24\u79cd\u7c7b\u578b\uff1a\u8f7b\u5ea6\uff08minor\uff09\u538b\u5b9e\u548c\u9ad8\u5ea6\uff08major\uff09\u538b\u5b9e\u3002<\/p>\n<p>\u8f7b\u5ea6\u538b\u5b9e\u53ea\u662f\u5c06\u8f83\u5c0f\u7684\u3001\u76f8\u90bb\u7684 StoreFile \u5408\u5e76\u6210\u8f83\u5927\u7684 StoreFile\uff0c\u4ee5\u51cf\u5c11\u5728\u8bb8\u591a\u6587\u4ef6\u4e4b\u95f4\u5bfb\u627e\u6570\u636e\u7684\u9700\u8981\u3002\u9ad8\u5ea6\u538b\u5b9e\u5219\u662f\u91cd\u5199\u4e00\u4e2a\u533a\u57df\u5185\u7684\u6240\u6709 StoreFile\uff0c\u5c06\u6240\u6709\u66f4\u65b0\u548c\u5220\u9664\u7684\u6570\u636e\u5408\u5e76\u6210\u4e00\u4e2a StoreFile\u3002<\/p>\n<p>\u56de\u5230 Locality \u7684\u5b9a\u4e49\uff0c\u6211\u4eec\u7684\u76ee\u6807\u662f\u786e\u4fdd\u65b0\u7684\u6258\u7ba1\u670d\u52a1\u5668\u5bf9 StoreFile \u4e2d\u7684\u6bcf\u4e2a\u5757\u90fd\u6709\u4e00\u4e2a\u672c\u5730\u526f\u672c\u3002\u901a\u8fc7\u73b0\u6709\u7684\u5de5\u5177\uff0c\u505a\u5230\u8fd9\u4e00\u70b9\u7684\u552f\u4e00\u65b9\u6cd5\u662f\u91cd\u5199\u6570\u636e\uff0c\u8fd9\u8981\u7ecf\u8fc7\u4e0a\u8ff0\u7684\u5757\u653e\u7f6e\u7b56\u7565\u3002\u8981\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u9ad8\u5ea6\u538b\u5b9e\u4f1a\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u4eec\u6d89\u53ca\u91cd\u5199\u6240\u6709\u6570\u636e\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u5b83\u4eec\u4e5f\u662f\u975e\u5e38\u6602\u8d35\u7684\uff1a<\/p>\n<ul class=\"list-paddingleft-1\">\n<li>\u538b\u5b9e\u5fc5\u987b\u8bfb\u53d6\u6574\u4e2a\u533a\u57df\u7684\u6570\u636e\uff0c\u8fc7\u6ee4\u6389\u4e0d\u76f8\u5e72\u7684\u6570\u636e\uff0c\u7136\u540e\u91cd\u5199\u6570\u636e\u3002<\/li>\n<li>\u8bfb\u53d6\u6570\u636e\u5305\u62ec\u89e3\u538b\u548c\u89e3\u7801\uff0c\u8fd9\u9700\u8981 CPU\u3002\u8fc7\u6ee4\u4e5f\u9700\u8981 CPU\u3002\u5199\u5165\u6570\u636e\u9700\u8981\u5bf9\u65b0\u6570\u636e\u8fdb\u884c\u7f16\u7801\u548c\u538b\u5b9e\uff0c\u800c\u8fd9\u9700\u8981\u66f4\u591a\u7684 CPU\u3002<\/li>\n<li>\u5199\u5165\u6570\u636e\u8fd8\u6d89\u53ca 3 \u500d\u7684\u590d\u5236\u3002\u56e0\u6b64\uff0c\u5bf9 10GB \u7684\u533a\u57df\u8fdb\u884c\u538b\u5b9e\u4f1a\u5bfc\u81f4 10GB \u7684\u8bfb\u53d6 + 30GB \u7684\u5199\u5165\u3002<\/li>\n<\/ul>\n<p>\u65e0\u8bba\u6211\u4eec\u7684 Locality \u76ee\u6807\u662f\u4ec0\u4e48\uff0c\u8fd9\u79cd\u6210\u672c\u90fd\u4f1a\u5728\u6bcf\u4e00\u4e2a\u9ad8\u5ea6\u538b\u5b9e\u4e2d\u4f53\u73b0\u51fa\u6765\uff0c\u800c\u4e14\u4f1a\u5bf9\u957f\u5c3e\u5ef6\u8fdf\u4ea7\u751f\u5f71\u54cd\u3002\u901a\u5e38\uff0c\u4f60\u53ea\u60f3\u5728\u975e\u5de5\u4f5c\u65f6\u95f4\u8fd0\u884c\u9ad8\u5ea6\u538b\u5b9e\u64cd\u4f5c\uff0c\u4ee5\u5c3d\u91cf\u51cf\u5c11\u5bf9\u7ec8\u7aef\u7528\u6237\u7684\u5f71\u54cd\u3002\u7136\u800c \uff0cLocality \u5728\u9ad8\u5cf0\u671f\u6709\u6700\u5927\u7684\u5f71\u54cd\uff0c\u6240\u4ee5\u8fd9\u610f\u5473\u7740\u5728\u4f60\u7b49\u5f85\u975e\u9ad8\u5cf0\u671f\u538b\u5b9e\u5de5\u4f5c\u5f00\u59cb\u65f6\uff0c\u53ef\u80fd\u4f1a\u6709\u51e0\u4e2a\u5c0f\u65f6\u7684\u75db\u82e6\u3002<\/p>\n<p>\u5c31 Locality \u800c\u8a00\uff0c\u8fd8\u6709\u4e00\u4e2a\u9690\u85cf\u7684\u6210\u672c\u2014\u2014\u5f88\u6709\u53ef\u80fd\u53ea\u6709\u67d0\u4e2a\u533a\u57df\u7684\u90e8\u5206 StoreFile\uff0c\u6709\u975e\u5e38\u7cdf\u7cd5\u7684 Locality\u3002\u4e00\u4e2a\u9ad8\u5ea6\u538b\u5b9e\u4f1a\u538b\u5b9e\u6240\u6709\u7684 StoreFile\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u4e00\u4e2a 10GB \u7684\u533a\u57df\u4e2d\u53ea\u6709 1GB \u662f\u975e\u672c\u5730\u7684\uff0c\u90a3\u4e48\u4ece Locality \u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u5c31\u662f\u6d6a\u8d39\u4e86 9GB \u7684\u52aa\u529b\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u6211\u4eec\u7684\u4e00\u4e2a\u96c6\u7fa4\u7684\u56fe\u8868\uff0c\u6211\u4eec\u8bd5\u56fe\u901a\u8fc7\u538b\u5b9e\u6765\u4fee\u590d Locality \uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2208\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-62.jpg\" width=\"1080\" height=\"244\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-62.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-62-300x68.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-62-1024x231.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-62-768x174.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u8fd9\u5f20\u56fe\u663e\u793a\u4e86\u4e00\u4e2a\u76f8\u5bf9\u8f83\u5927\u7684 HBase \u96c6\u7fa4\uff0c\u6bcf\u6761\u7ebf\u662f\u96c6\u7fa4\u4e2d\u5355\u4e2a Regionserver \u7684 Locality\u3002\u5728\u6211\u4eec\u8017\u5c3d\u65f6\u95f4\u4e4b\u524d\uff0c\u6211\u4eec\u82b1\u4e86\u5927\u7ea6 6 \u4e2a\u5c0f\u65f6\uff0c\u624d\u6162\u6162\u5c06 Locality \u63d0\u9ad8\u5230\u4e00\u4e2a\u53ea\u6709 85% \u5de6\u53f3\u7684\u5cf0\u503c\u3002\u51e0\u4e2a\u5c0f\u65f6\u540e\uff0c\u53d1\u751f\u4e86\u4e00\u8d77\u4e8b\u4ef6\uff0c\u4f7f\u6211\u4eec\u7684\u90e8\u5206\u5de5\u4f5c\u6bc1\u4e8e\u4e00\u65e6\uff0c\u800c\u6309\u7167\u96c6\u7fa4\u7684\u8d1f\u8f7d\u65b9\u5f0f\uff0c\u6211\u4eec\u8981\u7b49\u5230\u7b2c\u4e8c\u5929\u665a\u4e0a\u624d\u80fd\u7ee7\u7eed\u8fd0\u884c\u538b\u5b9e\u64cd\u4f5c\u3002<\/p>\n<p>\u591a\u5e74\u6765\uff0c\u4e0a\u8ff0\u60c5\u666f\u4e00\u518d\u51fa\u73b0\u3002\u5f53\u6211\u4eec\u7684\u89c4\u6a21\u53d8\u5927\u65f6\uff0c\u6211\u4eec\u53d1\u73b0\uff0c\u538b\u5b9e\u5e76\u4e0d\u80fd\u5f88\u597d\u5730\u5bf9 SLO \u8fdb\u884c\u8db3\u591f\u5feb\u7684 Locality \u4fee\u590d\u3002\u6211\u4eec\u7684\u76f8\u9694\u66f4\u597d\u7684\u529e\u6cd5\u3002<\/p>\n<section>\u524a\u51cf\u6210\u672c\uff0c\u5c06\u5c0f\u65f6\u53d8\u4e3a\u5206\u949f<\/section>\n<p>\u6211\u5728 HBase \u4e0a\u65ad\u65ad\u7eed\u7eed\u5730\u8bd5\u7528\u4e86\u597d\u51e0\u5e74\uff0c\u800c\u7528\u538b\u5b9e\u6765\u89e3\u51b3 Locality \u7684\u505a\u6cd5\u603b\u662f\u4ee4\u4eba\u5931\u671b\u3002\u6211\u5f88\u4e45\u4ee5\u524d\u5c31\u4e86\u89e3\u8fc7\u8bf8\u5982 HDFS Balancer \u548c Mover \u4e4b\u7c7b\u7684\u5de5\u5177\uff0c\u5b83\u4eec\u53ef\u4ee5\u8fdb\u884c\u4f4e\u7ea7\u522b\u7684\u5757\u79fb\u52a8\u3002\u5982\u679c\u6709\u4e00\u4e2a\u7c7b\u4f3c\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5229\u7528\u4f4e\u7ea7\u522b\u7684\u5757\u79fb\u52a8\u6765\u89e3\u51b3 Locality \u95ee\u9898\uff0c\u8fd9\u5c06\u4f1a\u5f88\u6709\u5438\u5f15\u529b\uff0c\u539f\u56e0\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul class=\"list-paddingleft-1\">\n<li>\u4f60\u53ea\u662f\u628a\u5b57\u8282\u4ece\u4e00\u4e2a\u4e3b\u673a\u79fb\u5230\u53e6\u4e00\u4e2a\u4e3b\u673a\uff0c\u4e0d\u9700\u8981\u5904\u7406\u538b\u5b9e\u3001\u7f16\u7801\u6216\u6602\u8d35\u7684\u8fc7\u6ee4\u3002<\/li>\n<li>\u4f60\u5728\u505a 1-1 \u7684\u8f6c\u79fb\uff0c\u800c\u4e0d\u662f\u5199\u65b0\u7684\u5757\u3002\u56e0\u6b64\uff0c3 \u500d\u7684\u590d\u5236\u6210\u672c\u5e76\u6ca1\u6709\u53d1\u6325\u4f5c\u7528\u3002<\/li>\n<li>\u4f60\u53ef\u4ee5\u4e13\u95e8\u9009\u62e9\u53ea\u79fb\u52a8\u975e\u672c\u5730\u5757\u7684\u590d\u5236\uff0c\u800c\u4e0d\u53bb\u8003\u8651\u5176\u4ed6\u6240\u6709\u7684\u5757\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7 dfsadmin -setBalancerBandwidth\uff0c\u53ef\u4ee5\u5b9e\u65f6\u5730\u7f16\u8f91\u5757\u4f20\u8f93\u5e26\u5bbd\uff0c\u800c\u4e14\u53ef\u4ee5\u5f88\u597d\u5730\u6839\u636e\u96c6\u7fa4\u7684\u5927\u5c0f\u8fdb\u884c\u6269\u5c55\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u9879\u76ee\u4e2d\uff0c\u6211\u5e0c\u671b\u80fd\u770b\u5230\u6211\u4eec\u80fd\u4e0d\u80fd\u5f00\u53d1\u51fa\u76f8\u4f3c\u7684\u4ea7\u54c1\uff0c\u4ece\u800c\u63d0\u9ad8\u4f4e\u5ef6\u65f6\u5e94\u7528\u7684 Locality\u3002<\/p>\n<section>\u73b0\u6709\u7ec4\u4ef6<\/section>\n<p>\u4e3a\u4e86\u5efa\u7acb\u6211\u4eec\u81ea\u5df1\u7684\u5757 Mover\uff0c\u6211\u5fc5\u987b\u91c7\u53d6\u7684\u7b2c\u4e00\u6b65\u662f\u4e86\u89e3\u79fb\u52a8\u5757\u3001\u8bfb\u53d6\u5757\u548c\u8ba1\u7b97 Locality \u7684\u6240\u6709\u5404\u79cd\u7ec4\u4ef6\u3002\u8fd9\u4e00\u8282\u6709\u70b9\u6df1\u5965\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u53ea\u60f3\u4e86\u89e3\u6211\u4eec\u7684\u89e3\u51b3\u65b9\u6848\u548c\u7ed3\u679c\uff0c\u8bf7\u8df3\u5230\u4e0b\u4e00\u8282\u3002<\/p>\n<section>Dispatcher<\/section>\n<p>Balancer \u548c Mover \u7684\u6838\u5fc3\u662f Dispatcher\u3002\u8fd9\u4e24\u4e2a\u5de5\u5177\u90fd\u5c06 PendingMove \u5bf9\u8c61\u4f20\u9012\u7ed9 Dispatcher\uff0cDispatcher \u5904\u7406\u5728\u8fdc\u7a0b DataNodes \u4e0a\u6267\u884c replaceBlock \u8c03\u7528\u3002HBase \u96c6\u7fa4\u7684\u5178\u578b\u5757\u5927\u5c0f\u4e3a 128MB\uff0c\u800c\u533a\u57df\u901a\u5e38\u4e3a\u591a\u4e2a GB\u3002\u56e0\u6b64\uff0c\u4e00\u4e2a\u533a\u57df\u53ef\u80fd\u6709\u5341\u51e0\u4e2a\u5230\u51e0\u767e\u4e2a\u5757\uff0c\u4e00\u4e2a RegionServer \u53ef\u80fd\u627f\u8f7d 50 \u5230\u6570\u767e\u4e2a\u533a\u57df\uff0c\u800c\u4e00\u4e2a\u96c6\u7fa4\u53ef\u80fd\u6709\u6570\u767e\u6216\u6570\u5343\u4e2a RegionServer\u3002Dispatcher \u7684\u5de5\u4f5c\u662f\u5e76\u884c\u5730\u6267\u884c\u8bb8\u591a\u8fd9\u6837\u7684 replaceBlock \u8c03\u7528\uff0c\u5f53\u8fdc\u7a0b DataNode \u8fdb\u884c\u6570\u636e\u62f7\u8d1d\u65f6\uff0c\u5b83\u4f1a\u8ffd\u8e2a\u8fdb\u5ea6\u3002\u8fd9\u4e2a Dispatcher \u4e0d\u4f1a\u5904\u7406\u6240\u9009\u5b9a\u7684\u8981\u79fb\u52a8\u7684\u526f\u672c\uff0c\u56e0\u6b64\u6211\u5fc5\u987b\u521b\u5efa\u4e00\u4e2a\u6d41\u7a0b\u6765\u68c0\u6d4b\u4f4e Locality \u533a\u57df\uff0c\u5e76\u5c06\u8fd9\u4e9b\u533a\u57df\u8f6c\u5316\u4e3a PendingMove \u5bf9\u8c61\u3002<\/p>\n<section>\u66ff\u6362\u5757<\/section>\n<p>\u8fdc\u7a0b DataNode \u4ece Dispatcher \u63a5\u6536 replaceBlock \u8c03\u7528\uff0c\u5176\u4e2d\u5305\u62ec blockId\u3001\u6e90\u548c\u76ee\u6807\u3002\u7136\u540e\uff0c\u6570\u636e\u901a\u8fc7\u4ee3\u7406 DataNode \u4ece\u6e90\u5934\u6d41\u5411\u76ee\u6807\u3002<\/p>\n<p>\u5f53\u76ee\u6807 DataNode \u5b8c\u6210\u63a5\u6536\u5757\u65f6\uff0c\u5b83\u4f1a\u901a\u8fc7 RECEIVED_BLOCK \u72b6\u6001\u66f4\u65b0\u6765\u901a\u77e5 NameNode\u3002\u8be5\u72b6\u6001\u66f4\u65b0\u5305\u62ec\u5bf9\u7528\u4e8e\u6258\u7ba1\u8be5\u5757\u7684 DataNode \u7684\u5f15\u7528\u3002NameNode \u4f1a\u66f4\u65b0\u5176\u5185\u5b58\u4e2d\u7684\u5757\u8bb0\u5f55\uff0c\u5e76\u5c06\u65e7\u7684 DataNode \u6807\u8bb0\u4e3a PendingDeletion\u3002\u5728\u8fd9\u4e00\u70b9\u4e0a\uff0c\u8c03\u7528\u83b7\u53d6\u5757\u7684 Locality \u5c06\u5305\u62ec\u65b0\u7684\u548c\u65e7\u7684 DataNode\u3002<\/p>\n<p>\u5f53\u4e0b\u4e00\u6b21\u65e7\u7684 DataNode \u62a5\u544a\u65f6\uff0cNameNode \u4f1a\u56de\u5e94\uff1a\u201c\u8c22\u8c22\uff0c\u73b0\u5728\u8bf7\u5220\u9664\u8fd9\u4e2a\u5757\u3002\u201d \u5f53 DataNode \u5b8c\u6210\u5220\u9664\u5757\u65f6\uff0c\u5b83\u518d\u6b21\u5411 NameNode \u53d1\u51fa DELETED_BLOCK \u72b6\u6001\u66f4\u65b0\u3002\u5f53 NameNode \u6536\u5230\u8fd9\u4e2a\u66f4\u65b0\u65f6\uff0c\u8be5\u5757\u88ab\u4ece\u5176\u5185\u5b58\u8bb0\u5f55\u4e2d\u5220\u9664\u3002\u5728\u8fd9\u4e00\u70b9\u4e0a\uff0c\u5bf9\u5757 Locality \u7684\u8c03\u7528\u5c06\u53ea\u5305\u62ec\u65b0\u7684 DataNode\u3002<\/p>\n<section>\u4f7f\u7528 DFSInputStream \u8bfb\u53d6\u6570\u636e<\/section>\n<p>HBase \u5728\u6253\u5f00\u6bcf\u4e2a StoreFile \u65f6\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u6301\u4e45\u7684 DFSInputStream\uff0c\u7528\u4e8e\u670d\u52a1\u8be5\u6587\u4ef6\u7684\u6240\u6709 ReadType.PREAD \u8bfb\u53d6\u3002\u5f53 STREAM \u8bfb\u5165\u65f6\uff0c\u5b83\u4f1a\u6253\u5f00\u989d\u5916\u7684 DFSInputStream\uff0c\u4f46 PREAD \u5bf9\u5ef6\u8fdf\u6700\u4e3a\u654f\u611f\u3002\u5f53\u4e00\u4e2a DFSInputStream \u88ab\u6253\u5f00\u65f6\uff0c\u5b83\u83b7\u53d6\u6587\u4ef6\u524d\u51e0\u4e2a\u5757\u7684\u5f53\u524d\u5757\u4f4d\u7f6e\u3002\u5728\u8bfb\u53d6\u6570\u636e\u7684\u65f6\u5019\uff0c\u5229\u7528\u8fd9\u4e9b\u5757\u7684\u4f4d\u7f6e\u6765\u51b3\u5b9a\u4ece\u4f55\u5904\u83b7\u53d6\u5757\u6570\u636e\u3002<\/p>\n<p>\u5982\u679c DFSInputStream \u8bd5\u56fe\u4ece\u4e00\u4e2a\u5d29\u6e83\u7684 DataNode \u63d0\u4f9b\u6570\u636e\uff0c\u8be5 DataNode \u5c06\u88ab\u6dfb\u52a0\u5230\u4e00\u4e2a deadNode \u5217\u8868\uff0c\u5e76\u5c06\u5176\u6392\u9664\u5728\u5c06\u6765\u7684\u6570\u636e\u8bf7\u6c42\u4e4b\u5916\u3002\u7136\u540e DFSInputStream \u5c06\u4ece deadNodes \u5217\u8868\u4ee5\u5916\u7684\u5176\u4ed6\u5757\u4f4d\u7f6e\u4e4b\u4e00\u91cd\u8bd5\u3002\u5982\u679c DFSInputStream \u8bd5\u56fe\u4ece\u4e0d\u518d\u63d0\u4f9b\u5757\u670d\u52a1\u7684 DataNode \u4e2d\u83b7\u53d6\u5757\uff0c\u4e5f\u4f1a\u51fa\u73b0\u7c7b\u4f3c\u7684\u8fc7\u7a0b\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cReplicaNotFoundException \u5c06\u88ab\u629b\u51fa\uff0c\u5e76\u4e14\u8be5 DataNode \u4e5f\u540c\u6837\u88ab\u6dfb\u52a0\u5230 deadNode \u5217\u8868\u4e2d\u3002<\/p>\n<p>\u4e00\u4e2a\u5355\u4e00\u7684 StoreFile \u53ef\u4ee5\u4ece\u51e0 KB \u5230\u5341\u51e0 GB \u4e0d\u7b49\u3002\u7531\u4e8e\u5757\u7684\u5927\u5c0f\u4e3a 128MB\uff0c\u8fd9\u610f\u5473\u7740\u4e00\u4e2a\u5355\u4e00\u7684 StoreFile \u53ef\u80fd\u6709\u6570\u767e\u4e2a\u5757\u3002\u5982\u679c\u4e00\u4e2a StoreFile \u5177\u6709\u8f83\u4f4e\u7684 Locality \uff08\u672c\u5730\u526f\u672c\u5f88\u5c11\uff09\uff0c\u8fd9\u4e9b\u5757\u5c31\u4f1a\u5206\u6563\u5728\u96c6\u7fa4\u7684\u5176\u4f59\u90e8\u5206\u3002\u968f\u7740 DataNode \u88ab\u6dfb\u52a0\u5230 deadNode \u5217\u8868\u4e2d\uff0c\u4f60\u4f1a\u8d8a\u6765\u8d8a\u6709\u53ef\u80fd\u9047\u5230\u4e00\u4e2a\u6240\u6709\u4f4d\u7f6e\u90fd\u5728 deadNode \u5217\u8868\u4e2d\u7684\u5757\u3002\u5728\u8fd9\u4e00\u70b9\u4e0a\uff0cDFSInputStream \u4f1a\u56de\u9000\uff08\u9ed8\u8ba4\u4e3a 3 \u79d2\uff09\uff0c\u5e76\u4ece NameNode \u91cd\u65b0\u83b7\u53d6\u6240\u6709\u5757\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>\u9664\u975e\u6709\u4e00\u4e2a\u66f4\u7cfb\u7edf\u7684\u95ee\u9898\uff0c\u5426\u5219\u6240\u6709\u8fd9\u4e9b\u9519\u8bef\u5904\u7406\u5c06\u5bfc\u81f4\u6682\u65f6\u6027\u7684\u5ef6\u8fdf\u589e\u52a0\uff0c\u4f46\u4e0d\u4f1a\u5f15\u8d77\u5ba2\u6237\u7aef\u7684\u5f02\u5e38\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u5ef6\u8fdf\u7684\u5f71\u54cd\u662f\u660e\u663e\u7684\uff08\u5c24\u5176\u662f 3 \u79d2\u7684\u56de\u9000\uff09\uff0c\u6240\u4ee5\u8fd9\u91cc\u8fd8\u6709\u6539\u8fdb\u7684\u7a7a\u95f4\u3002<\/p>\n<section>\u57fa\u4e8e Locality \u4f5c\u51fa\u62a5\u544a\u548c\u51b3\u7b56<\/section>\n<p>\u5728 RegionServer \u4e0a\u6253\u5f00 StoreFile \u65f6\uff0cRegionServer \u4f1a\u8c03\u7528 NameNode \u81ea\u8eab\u6765\u83b7\u53d6\u8be5 StoreFile \u4e2d\u7684\u6240\u6709\u5757\u4f4d\u7f6e\u3002\u8fd9\u4e9b\u4f4d\u7f6e\u88ab\u7d2f\u79ef\u5230\u6bcf\u4e2a StoreFile \u7684 HDFSBlockDistribution \u5bf9\u8c61\u4e2d\u3002\u8fd9\u4e9b\u5bf9\u8c61\u88ab\u7528\u6765\u8ba1\u7b97 localityIndex\uff0c\u5e76\u901a\u8fc7 JMX\u3001RegionServer \u7684 Web UI \u548c\u7ba1\u7406\u754c\u9762\u62a5\u544a\u7ed9\u5ba2\u6237\u3002RegionServer \u672c\u8eab\u4e5f\u5c06 localityIndex \u7528\u4e8e\u67d0\u4e9b\u4e0e\u538b\u5b9e\u6709\u5173\u7684\u51b3\u7b56\uff0c\u5e76\u4e14\u5b83\u5c06\u6bcf\u4e2a\u533a\u57df\u7684 localityIndex \u62a5\u544a\u7ed9 HMaster\u3002<\/p>\n<p>HMaster \u662f HBase \u8fdb\u7a0b\uff0c\u8fd0\u884c HBase \u81ea\u8eab\u7684 Balancer\u3002Balancer \u8bd5\u56fe\u6839\u636e\u8bb8\u591a\u6210\u672c\u51fd\u6570\u6765\u5e73\u8861\u6574\u4e2a HBase \u96c6\u7fa4\u4e2d\u7684\u533a\u57df\uff1a\u8bfb\u53d6\u8bf7\u6c42\u3001\u5199\u5165\u8bf7\u6c42\u3001\u5b58\u50a8\u6587\u4ef6\u6570\u91cf\u3001\u5b58\u50a8\u6587\u4ef6\u5927\u5c0f\u7b49\u7b49\u3002\u5b83\u8bd5\u56fe\u5e73\u8861\u7684\u4e00\u4e2a\u5173\u952e\u6307\u6807\u662f Locality\u3002<\/p>\n<p>Balancer \u7684\u5de5\u4f5c\u65b9\u5f0f\u662f\u901a\u8fc7\u5bf9\u96c6\u7fa4\u6210\u672c\u7684\u8ba1\u7b97\uff0c\u5047\u88c5\u5c06\u4e00\u4e2a\u533a\u57df\u79fb\u52a8\u5230\u4e00\u4e2a\u968f\u673a\u7684\u670d\u52a1\u5668\uff0c\u518d\u5bf9\u96c6\u7fa4\u6210\u672c\u8fdb\u884c\u91cd\u65b0\u8ba1\u7b97\u3002\u82e5\u6210\u672c\u964d\u4f4e\uff0c\u5219\u63a5\u53d7\u8fd9\u4e2a\u79fb\u52a8\u3002\u5426\u5219\uff0c\u5c1d\u8bd5\u4e0d\u540c\u7684\u79fb\u52a8\u3002\u4e3a\u4e86\u901a\u8fc7 Locality \u8fdb\u884c\u5e73\u8861\uff0c\u4f60\u4e0d\u80fd\u7b80\u5355\u5730\u4f7f\u7528 RegionServers \u62a5\u544a\u7684 localityIndex\uff0c\u56e0\u4e3a\u4f60\u9700\u8981\u80fd\u591f\u8ba1\u7b97\u51fa\uff0c\u5982\u679c\u4e00\u4e2a\u533a\u57df\u79fb\u52a8\u5230\u4e00\u4e2a\u4e0d\u540c\u7684\u670d\u52a1\u5668 \uff0cLocality \u6210\u672c\u4f1a\u662f\u591a\u5c11\u3002\u6240\u4ee5 Balancer \u4e5f\u7ef4\u62a4\u5b83\u81ea\u5df1\u7684 HDFSBlockDistribution \u5bf9\u8c61\u7684\u7f13\u5b58\u3002<\/p>\n<section>LocalityHealer<\/section>\n<p>\u5728\u4e86\u89e3\u4e86\u73b0\u6709\u7ec4\u4ef6\u4e4b\u540e\uff0c\u6211\u5c31\u5f00\u59cb\u4e86\u4e00\u9879\u65b0\u7684\u5b88\u62a4\u7a0b\u5e8f\u7684\u5de5\u4f5c\uff0c\u6211\u4eec\u4eb2\u5207\u5730\u79f0\u4e4b\u4e3a LocalityHealer\u3002\u901a\u8fc7\u6df1\u5165\u7814\u7a76 Mover \u5de5\u5177\u4e4b\u540e\uff0c\u6211\u60f3\u51fa\u4e86\u4e00\u4e2a\u8bbe\u8ba1\u6765\u5b9e\u73b0\u5b88\u62a4\u7a0b\u5e8f\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u8fd9\u9879\u5de5\u4f5c\u7684\u5173\u952e\u5728\u4e8e\u4e24\u4e2a\u90e8\u5206\uff1a<\/p>\n<ul class=\"list-paddingleft-1\">\n<li>\u53d1\u73b0\u54ea\u4e9b\u533a\u57df\u9700\u8981\u6108\u5408\u3002<\/li>\n<li>\u5c06\u8fd9\u4e9b\u533a\u57df\u8f6c\u6362\u4e3a Dispatcher \u7684 PendingMoves\u3002<\/li>\n<\/ul>\n<p>HBase \u63d0\u4f9b\u4e86\u4e00\u4e2a Admin#getClusterMetrics() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u5bf9\u96c6\u7fa4\u7684\u72b6\u6001\u8fdb\u884c\u8f6e\u8be2\u3002\u8fd4\u56de\u503c\u5305\u62ec\u4e00\u5806\u6570\u636e\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u96c6\u7fa4\u4e2d\u6bcf\u4e2a\u533a\u57df\u7684 RegionMetrics\u3002\u8fd9\u4e2a RegionMetric \u5305\u62ec\u4e00\u4e2a getDataLocality() \u65b9\u6cd5\uff0c\u800c\u8fd9\u6b63\u662f\u6211\u4eec\u60f3\u8981\u76d1\u63a7\u7684\u3002\u56e0\u6b64\uff0c\u8fd9\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u7684\u7b2c\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\u662f\u4e00\u4e2a\u76d1\u63a7\u7ebf\u7a0b\uff0c\u5b83\u4e0d\u65ad\u5730\u8f6e\u8be2\u54ea\u4e9b getDataLocality() \u4f4e\u4e8e\u6211\u4eec\u9608\u503c\u7684\u533a\u57df\u3002<\/p>\n<p>\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u54ea\u4e9b\u533a\u57df\u662f\u6211\u4eec\u9700\u8981\u6108\u5408\u7684\uff0c\u6211\u4eec\u5c31\u6709\u4e00\u4e2a\u590d\u6742\u7684\u4efb\u52a1\uff0c\u5c31\u662f\u628a\u5b83\u53d8\u6210\u4e00\u4e2a PendingMove\u3002\u4e00\u4e2a PendingMove \u9700\u8981\u4e00\u4e2a\u5757\u3001\u4e00\u4e2a\u6e90\u548c\u4e00\u4e2a\u76ee\u6807\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u6240\u62e5\u6709\u7684\u662f\u4e00\u4e2a\u533a\u57df\u7684\u5217\u8868\u3002\u6bcf\u4e2a\u533a\u57df\u7531 1 \u4e2a\u6216\u591a\u4e2a\u5217\u65cf\u7ec4\u6210\uff0c\u6bcf\u4e2a\u5217\u65cf\u6709 1 \u4e2a\u6216\u591a\u4e2a StoreFile\u3002\u56e0\u6b64\uff0c\u4e0b\u4e00\u6b65\u662f\u5728 HDFS \u4e0a\u9012\u5f52\u641c\u7d22\u8be5\u533a\u57df\u7684\u76ee\u5f55\uff0c\u5bfb\u627e StoreFile\u3002\u5bf9\u4e8e\u6bcf\u4e2a StoreFile\uff0c\u6211\u4eec\u5f97\u5230\u5f53\u524d\u5757\u7684\u4f4d\u7f6e\uff0c\u4e3a\u6bcf\u4e2a\u5757\u9009\u62e9\u4e00\u4e2a\u526f\u672c\u4f5c\u4e3a\u6e90\uff0c\u5e76\u4e3a\u6bcf\u4e2a\u5757\u521b\u5efa\u4e00\u4e2a PendingMove\uff0c\u76ee\u6807\u662f\u5f53\u524d\u6258\u7ba1\u7684 RegionServer\u3002\u6211\u4eec\u4e4b\u6240\u4ee5\u9009\u62e9\u79fb\u52a8\u6e90\uff0c\u662f\u4e3a\u4e86\u4fdd\u8bc1\u6211\u4eec\u9075\u5faa\u4e86 BlockPlacementPolicy\uff0c\u5e76\u4e14\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u4e86\u5728\u4e0d\u540c\u673a\u67b6\u4e4b\u95f4\u7684\u7f51\u7edc\u6d41\u91cf\u3002<\/p>\n<p>\u4e00\u65e6\u6211\u4eec\u628a\u6240\u6709\u751f\u6210\u7684 PendingMoves \u79fb\u4ea4\u7ed9 Dispatcher\uff0c\u5c31\u53ea\u9700\u8981\u7b49\u5f85\u5b83\u5b8c\u6210\u3002\u5f53\u5b83\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u518d\u7b49\u5f85\u4e00\u4e2a\u5bbd\u9650\u671f\uff0c\u8ba9\u6211\u4eec\u7684 Locality \u76d1\u89c6\u5668\u6ce8\u610f\u5230\u66f4\u65b0\u7684 Locality \u6307\u6807\uff0c\u7136\u540e\u91cd\u590d\u8fd9\u6574\u4e2a\u8fc7\u7a0b\u3002\u8fd9\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u4e00\u76f4\u6301\u7eed\u8fd9\u4e2a\u5faa\u73af\uff0c\u76f4\u5230\u5b83\u5173\u95ed\u3002\u5982\u679c Locality \u662f 100%\uff08\u73b0\u5728\u7ecf\u5e38\u662f\u8fd9\u6837\uff09\uff0c\u90a3\u4e48\u5728\u76d1\u89c6\u5668\u7ebf\u7a0b\u53d1\u73b0\u4e0b\u964d\u4e4b\u524d\uff0c\u5b83\u4f1a\u4e00\u76f4\u95f2\u7f6e\u3002<\/p>\n<section>\u786e\u4fdd\u8bfb\u53d6\u53d7\u76ca\u4e8e\u65b0\u6539\u8fdb\u7684 Locality<\/section>\n<p>\u56e0\u6b64\uff0c\u8fd9\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u662f\u8fd0\u884c\u7684\uff0c\u5e76\u4e14\u4fdd\u8bc1\u6240\u6709 RegionServer \u4e0a\u7684 DataNode \u90fd\u4f1a\u4e3a\u8fd9\u4e2a RegionServer \u4e0a\u7684\u5168\u90e8\u533a\u57df\u6258\u7ba1\u4e00\u4e2a\u5757\u526f\u672c\u3002\u4f46 DFS InputStream \u4ec5\u5728\u5f00\u59cb\u65f6\u6216\u8005\u5728\u7279\u5b9a\u7684\u6761\u4ef6\u4e0b\u624d\u80fd\u83b7\u5f97\u5757\u7684\u4f4d\u7f6e\uff0c\u800c\u5728\u6bcf\u4e00\u4e2a StoreFile \u4e2d\u90fd\u6709\u4e00\u4e2a\u6301\u4e45\u7684 DFS InputStream\u3002\u5b9e\u9645\u4e0a\uff0c\u5982\u679c\u4f60\u7ee7\u7eed\u8ffd\u8e2a\uff0c\u4f60\u4e5f\u8bb8\u4f1a\u53d1\u73b0\uff0c\u5982\u679c\u5757\u4e0d\u65ad\u5730\u79fb\u52a8\uff0c\u6211\u4eec\u5c06\u4f1a\u53d1\u73b0\u5f88\u591a ReplicaNotFoundException\u3002\u8fd9\u5b9e\u9645\u4e0a\u662f\u4e00\u79cd\u75db\u82e6\uff0c\u6700\u597d\u80fd\u907f\u514d\u3002<\/p>\n<section>\u4f7f\u7528 V1 \u5feb\u901f\u4ea4\u4ed8<\/section>\n<p>\u5f53\u6211\u5728\u4e09\u6708\u4efd\u6700\u521d\u6784\u5efa\u8fd9\u4e2a\u7cfb\u7edf\u65f6\uff0c\u5c31\u5df2\u7ecf\u51b3\u5b9a\u4f7f\u7528\u56de\u8c03\u51fd\u6570\u6765\u5237\u65b0 HBase \u4e2d\u7684\u8bfb\u53d6\u6570\u636e\u3002\u6211\u5bf9 HBase \u6700\u719f\u6089\uff0c\u8fd9\u4e5f\u662f\u963b\u529b\u6700\u5c0f\u7684\u65b9\u6cd5\u3002\u6211\u4e3a HMaster \u548c RegionServer \u63a8\u9001\u4e86\u65b0\u7684 RPC \u7aef\u70b9\u5230\u6211\u4eec\u7684\u5185\u90e8\u5206\u53c9\u3002\u5f53 LocalityHealer \u5904\u7406\u5b8c\u4e00\u4e2a\u533a\u57df\u7684\u6240\u6709 StoreFile \u540e\uff0c\u5b83\u5c31\u4f1a\u8c03\u7528\u8fd9\u4e9b\u65b0\u7684 RPC\u3002RegionServer \u7684 RPC \u7279\u522b\u68d8\u624b\uff0c\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u590d\u6742\u7684\u9501\u5b9a\u3002\u6700\u540e\uff0c\u5b83\u6240\u505a\u7684\u662f\u91cd\u65b0\u6253\u5f00\u5b58\u50a8\u6587\u4ef6\uff0c\u7136\u540e\u5728\u540e\u53f0\u900f\u660e\u5730\u5173\u95ed\u65e7\u7684\u5b58\u50a8\u6587\u4ef6\u3002\u8fd9\u4e2a\u91cd\u65b0\u6253\u5f00\u7684\u8fc7\u7a0b\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 DFSInputStream\uff0c\u5176\u4e2d\u6709\u6b63\u786e\u7684\u5757\u4f4d\u7f6e\uff0c\u5e76\u66f4\u65b0\u62a5\u544a\u7684 Locality \u503c\u3002<\/p>\n<p>\u81ea\u90a3\u4ee5\u540e\uff0c\u8fd9\u4e2a\u90e8\u7f72\u7684\u7cfb\u7edf\u53d6\u5f97\u4e86\u975e\u5e38\u5927\u7684\u6210\u529f\uff0c\u4f46\u662f\u6211\u4eec\u76ee\u524d\u6b63\u5728\u8fdb\u884c\u4e00\u6b21\u91cd\u5927\u7684\u7248\u672c\u5347\u7ea7\uff0c\u9700\u8981\u8ba9\u5b83\u5728\u65b0\u7248\u672c\u4e2d\u5de5\u4f5c\u3002\u7ed3\u679c\u53d1\u73b0\u8fd9\u4e2a\u95ee\u9898\u8981\u590d\u6742\u5f97\u591a\uff0c\u6240\u4ee5\u6211\u51b3\u5b9a\u5c1d\u8bd5\u4e3a\u8fd9\u90e8\u5206\u8bbe\u8ba1\u4e00\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u3002\u672c\u535a\u5ba2\u7684\u5176\u4f59\u90e8\u5206\u63d0\u5230\u4e86\u65b0\u7684 v2 \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u81ea 10 \u6708\u4efd\u4ee5\u6765\u5df2\u7ecf\u5168\u9762\u90e8\u7f72\u3002<\/p>\n<section>\u8fed\u4ee3\u548c\u9002\u5e94<\/section>\n<p>\u5728\u8c03\u67e5\u6211\u4eec\u7684\u4e3b\u8981\u7248\u672c\u5347\u7ea7\u65f6\uff0c\u6211\u53d1\u73b0 HDFS-15199 \u4e3a DFSInputStream \u6dfb\u52a0\u4e86\u4e00\u4e2a\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u6253\u5f00\u65f6\u5468\u671f\u6027\u5730\u91cd\u65b0\u8bfb\u53d6\u5757\u4f4d\u7f6e\u3002\u8fd9\u4f3c\u4e4e\u6b63\u662f\u6211\u60f3\u8981\u7684\uff0c\u4f46\u662f\u5728\u9605\u8bfb\u5b9e\u73b0\u65f6\uff0c\u6211\u610f\u8bc6\u5230\uff0c\u91cd\u65b0\u83b7\u53d6\u662f\u76f4\u63a5\u5efa\u7acb\u5728\u8bfb\u53d6\u8def\u5f84\u4e0a\u7684\uff0c\u5e76\u4e14\u65e0\u8bba\u662f\u5426\u9700\u8981\uff0c\u5b83\u90fd\u4f1a\u53d1\u751f\u3002\u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898\u7684\u6700\u521d\u76ee\u6807\uff0c\u5373\u6bcf\u9694\u51e0\u5c0f\u65f6\u5237\u65b0\u4e00\u6b21\u4f4d\u7f6e\uff0c\u8fd9\u4f3c\u4e4e\u5f88\u597d\uff0c\u4f46\u6211\u6700\u591a\u53ea\u9700\u8981\u6bcf\u9694\u51e0\u5206\u949f\u5237\u65b0\u4e00\u6b21\u3002\u5728 HDFS-16262 \u4e2d\uff0c\u6211\u91c7\u7eb3\u4e86\u8fd9\u4e2a\u60f3\u6cd5\uff0c\u5e76\u4f7f\u5176\u6210\u4e3a\u5f02\u6b65\u7684\u548c\u6709\u6761\u4ef6\u7684\u3002<\/p>\n<p>\u73b0\u5728\uff0cDFSInputStream \u5c06\u53ea\u5728\u6709 deadNode \u6216\u4efb\u4f55\u975e\u672c\u5730\u5757\u7684\u60c5\u51b5\u4e0b\u91cd\u65b0\u83b7\u53d6\u5757\u7684\u4f4d\u7f6e\u3002\u91cd\u65b0\u83b7\u53d6\u7684\u8fc7\u7a0b\u53d1\u751f\u5728\u4efb\u4f55\u9501\u4e4b\u5916\uff0c\u800c\u65b0\u7684\u4f4d\u7f6e\u4f1a\u88ab\u5feb\u901f\u5730\u4e0e\u9501\u4ea4\u6362\u5230\u4f4d\u3002\u8fd9\u5bf9\u8bfb\u53d6\u7684\u5f71\u54cd\u5e94\u8be5\u975e\u5e38\u5c0f\uff0c\u7279\u522b\u662f\u76f8\u5bf9\u4e8e DFSInputStream \u4e2d\u73b0\u6709\u7684\u9501\u7684\u8bed\u4e49\u3002\u901a\u8fc7\u4f7f\u7528\u5f02\u6b65\u65b9\u6cd5\uff0c\u6211\u89c9\u5f97\u5b83\u53ef\u4ee5\u5728 30 \u79d2\u7684\u8ba1\u65f6\u5668\u4e0a\u8fdb\u884c\u5237\u65b0\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u80fd\u591f\u5f88\u5feb\u5730\u9002\u5e94\u5757\u79fb\u52a8\u3002<\/p>\n<section>\u8d1f\u8f7d\u6d4b\u8bd5<\/section>\n<p>\u8fd9\u79cd\u5f02\u6b65\u5237\u65b0\u5757\u4f4d\u7f6e\u7684\u65b0\u65b9\u6cd5\uff0c\u610f\u5473\u7740\u4e00\u5806 DFSInputStream \u5728\u4e0d\u540c\u7684\u65f6\u95f4\u90fd\u4f1a\u5f71\u54cd\u5230 NameNode\u3002\u5982\u679c Locality \u826f\u597d\uff0c\u8bf7\u6c42\u7684\u6570\u91cf\u5e94\u8be5\u662f\u96f6\u6216\u63a5\u8fd1\u96f6\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5f53\u4f60\u8fd0\u884c LocalityHealer \u7684\u65f6\u5019\uff0c\u4f60\u53ef\u4ee5\u671f\u671b\u4f60\u7684\u6574\u4f53\u96c6\u7fa4\u7684 Locality \u51e0\u4e4e\u4e00\u76f4\u5728 98% \u4ee5\u4e0a\u3002\u6240\u4ee5\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u662f\u4e0d\u4f1a\u62c5\u5fc3\u8fd9\u4e2a\u95ee\u9898\u7684\u3002\u6211\u6240\u5173\u5fc3\u7684\u4e00\u4ef6\u4e8b\u662f\uff0c\u5982\u679c\u6211\u4eec\u53d1\u751f\u4e86\u4e00\u4e2a\u5b8c\u5168\u7684\u6545\u969c\uff0c\u5e76\u4e14 Locality \u51e0\u4e4e\u4e3a\u96f6\uff0c\u90a3\u4f1a\u662f\u4ec0\u4e48\u6837\u5b50\u3002<\/p>\n<p>\u6211\u4eec\u503e\u5411\u4e8e\u5206\u5272\u5927\u578b\u96c6\u7fa4\uff0c\u800c\u4e0d\u662f\u8ba9\u5b83\u4eec\u53d8\u5f97\u8fc7\u4e8e\u5e9e\u5927\uff0c\u6240\u4ee5\u6211\u4eec\u6700\u5927\u7684\u96c6\u7fa4\u6709\u5927\u7ea6 350k \u4e2a StoreFile\u3002\u5728\u6700\u574f\u7684\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u8fd9\u4e9b\u6587\u4ef6\u6bcf 30 \u79d2\u5c31\u4f1a\u5411 NameNode \u53d1\u51fa\u4e00\u6b21\u8bf7\u6c42\u3002\u8fd9\u610f\u5473\u7740\u5927\u7ea6 12000 \u6b21 \/ \u79d2\u3002\u6211\u6709\u4e00\u79cd\u9884\u611f\uff0c\u8fd9\u4e0d\u4f1a\u662f\u4e00\u4e2a\u5927\u95ee\u9898\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u6570\u636e\u5b8c\u5168\u5728\u5185\u5b58\u4e2d\u3002\u6211\u4eec\u7528 8 \u4e2a CPU \u548c\u8db3\u591f\u7684\u5185\u5b58\u6765\u8fd0\u884c\u6211\u4eec\u7684 NameNode\uff0c\u4ee5\u8986\u76d6\u5757\u7684\u5bb9\u91cf\u3002<\/p>\n<p>HDFS \u6709\u4e00\u4e2a\u5185\u7f6e\u7684 NNThroughputBenchmark\uff0c\u53ef\u4ee5\u51c6\u786e\u5730\u6a21\u62df\u51fa\u6211\u6240\u671f\u671b\u7684\u5de5\u4f5c\u8d1f\u8f7d\u3002\u6211\u9996\u5148\u5728\u6211\u4eec\u7684 QA \u73af\u5883\u4e2d\u5bf9\u4e00\u4e2a 4 \u5757 CPU \u7684 NameNode \u8fdb\u884c\u4e86\u6d4b\u8bd5\uff0c\u4f7f\u7528\u4e86 500 \u4e2a\u7ebf\u7a0b\u548c 50 \u4e07\u4e2a\u6587\u4ef6\u3002\u8fd9\u4e2a\u5355\u4e00\u7684\u8d1f\u8f7d\u6d4b\u8bd5\u5b9e\u4f8b\u80fd\u591f\u63a8\u52a8 22k req\/s\uff0c\u4f46 NameNode \u4e0a\u4ecd\u6709 30%-40% \u7684 CPU \u95f2\u7f6e\u65f6\u95f4\u3002\u8fd9\u6bd4\u6211\u4eec\u6700\u574f\u7684\u60c5\u51b5\u4e0b\u7684\u4e24\u500d\u8fd8\u591a\uff0c\u800c\u4e14\u975e\u5e38\u6709\u5e0c\u671b\u3002<\/p>\n<p>\u6211\u5f88\u597d\u5947 prod \u80fd\u505a\u4ec0\u4e48\uff0c\u6240\u4ee5\u6211\u5728\u4e00\u4e2a 8 \u5757 CPU \u7684 NameNode \u4e0a\u8fd0\u884c\u5b83\u3002\u5b83\u5f88\u5bb9\u6613\u5c31\u80fd\u63a8\u9001 24k req\/s\uff0c\u4f46\u6211\u6ce8\u610f\u5230 CPU \u51e0\u4e4e\u662f\u95f2\u7f6e\u7684\u3002\u5728\u6211\u4f7f\u7528\u7684\u6d4b\u8bd5\u4e3b\u673a\u4e0a\uff0c\u6211\u5df2\u7ecf\u8fbe\u5230\u4e86\u8be5\u57fa\u51c6\u7684\u6700\u5927\u541e\u5410\u91cf\u3002\u6211\u5728\u53e6\u4e00\u53f0\u4e3b\u673a\u4e0a\u9488\u5bf9\u540c\u4e00\u4e2a NameNode \u542f\u52a8\u4e86\u53e6\u4e00\u4e2a\u5e76\u53d1\u6d4b\u8bd5\uff0c\u770b\u5230\u603b\u541e\u5410\u91cf\u8dc3\u5347\u81f3\u8d85\u8fc7 40k req\/s\u3002\u6211\u7ee7\u7eed\u6269\u5927\u89c4\u6a21\uff0c\u6700\u7ec8\u5728\u8d85\u8fc7 60k req\/s \u65f6\u505c\u6b62\u3002\u5373\u4f7f\u5728\u8fd9\u4e2a\u6c34\u5e73\u4e0a\uff0c\u95f2\u7f6e\u7684 CPU \u4ecd\u7136\u8d85\u8fc7 30%~45%\u3002\u6211\u76f8\u4fe1\uff0c\u5bf9\u6211\u4eec\u7684 NameNode \u6765\u8bf4\uff0c\u8fd9\u6837\u7684\u8d1f\u8f7d\u4e0d\u4f1a\u6709\u4efb\u4f55\u95ee\u9898\u3002<\/p>\n<section>\u51cf\u8f7b\u75db\u82e6<\/section>\n<p>\u65e9\u671f\u90e8\u7f72\u7684 locality healer \u5728\u8fd0\u884c\u65f6\u786e\u5b9e\u4ea7\u751f\u4e86\u4e00\u4e9b\u5c0f\u9ebb\u70e6\u3002\u8fd9\u90fd\u8981\u8ffd\u6eaf\u5230\u6211\u4e4b\u524d\u63d0\u5230\u7684 ReplicaNotFoundException\uff0c\u5b83\u6709\u65f6\u4f1a\u5bfc\u81f4\u6602\u8d35\u7684\u56de\u9000\u3002\u5f53\u6211\u7b2c\u4e00\u6b21\u505a\u8fd9\u4e2a\u5de5\u4f5c\u65f6\uff0c\u6211\u63d0\u4ea4\u4e86 HDFS-16155\uff0c\u5b83\u589e\u52a0\u4e86\u6307\u6570\u56de\u9000\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u5c06 3 \u79d2\u51cf\u5c11\u5230 50 \u6beb\u79d2\u3002\u8fd9\u5bf9\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5f88\u6709\u5e2e\u52a9\uff0c\u4f7f\u5b83\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u7ba1\u7406\uff0c\u800c\u4e14\u4e3a\u4e86\u957f\u671f\u6539\u5584 Locality \u4e5f\u662f\u503c\u5f97\u7684\u3002<\/p>\n<p>\u4f5c\u4e3a\u6211\u5bf9 HDFS-16262 \u8c03\u67e5\u7684\u4e00\u90e8\u5206\uff0c\u6211\u5b66\u5230\u4e86\u66f4\u591a\u7684\u4e1c\u897f\uff0c\u8bf4\u660e\u4e86\u5f53\u4e00\u4e2a\u5757\u88ab\u66ff\u6362\u540e\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u65e0\u6548\u7684\u3002\u6211\u5728\u63cf\u8ff0\u4e0a\u9762\u7684\u7ec4\u4ef6\u65f6\u7b80\u8981\u4ecb\u7ecd\u4e86\u8fd9\u4e00\u70b9\uff0c\u540c\u65f6\u4e5f\u8ba9\u6211\u610f\u8bc6\u5230\uff0c\u6211\u53ef\u4ee5\u5b8c\u5168\u6d88\u9664\u8fd9\u79cd\u75db\u82e6\u3002\u5982\u679c\u6211\u53ef\u4ee5\u5728 NameNode \u53d1\u51fa\u7684\u201c\u8bf7\u5220\u9664\u6b64\u5757\u201d\u7684\u6d88\u606f\u5468\u56f4\u589e\u52a0\u4e00\u4e2a\u5bbd\u9650\u671f\u5462\uff1f\u8fd9\u4e2a\u60f3\u6cd5\u7684\u7ed3\u679c\u5c31\u662f HDFS-16261\uff0c\u5728\u90a3\u91cc\u6211\u5b9e\u73b0\u4e86\u8fd9\u6837\u4e00\u4e2a\u5bbd\u9650\u671f\u3002<\/p>\n<p>\u6709\u4e86\u8fd9\u4e2a\u7279\u6027\uff0c\u6211\u5728\u6211\u4eec\u7684\u96c6\u7fa4\u4e0a\u914d\u7f6e\u4e86\u4e00\u4e2a 1 \u5206\u949f\u7684\u5bbd\u9650\u671f\u3002\u8fd9\u8ba9 DFSInputStream \u4e2d\u7684 30 \u79d2\u5237\u65b0\u65f6\u95f4\u6709\u8db3\u591f\u7684\u65f6\u95f4\u6765\u5237\u65b0\u5757\u7684\u4f4d\u7f6e\uff0c\u7136\u540e\u518d\u628a\u5757\u4ece\u5b83\u4eec\u7684\u65e7\u4f4d\u7f6e\u4e0a\u79fb\u8d70\u3002\u8fd9\u5c31\u6d88\u9664\u4e86 ReplicaNotFoundException\uff0c\u4ee5\u53ca\u4efb\u4f55\u76f8\u5173\u7684\u91cd\u8bd5\u6216\u6602\u8d35\u7684\u56de\u9000\u3002<\/p>\n<section>\u5728\u6307\u6807\u548c Balancer \u4e2d\u53cd\u6620\u66f4\u65b0\u7684 Locality<\/section>\n<p>\u8fd9\u91cc\u7684\u6700\u540e\u4e00\u5757\u62fc\u56fe\u662f\u66f4\u65b0\u6211\u63d0\u5230\u7684 localityIndex \u6307\u6807\uff0c\u4ee5\u53ca Balancer \u81ea\u5df1\u7684\u7f13\u5b58\u3002\u8fd9\u4e00\u90e8\u5206\u7531 HBASE-26304 \u8986\u76d6\u3002<\/p>\n<p>\u5bf9\u4e8e Balancer\uff0c\u6211\u5229\u7528\u4e86 RegionServer \u6bcf\u9694\u51e0\u79d2\u949f\u5411 HMaster \u62a5\u544a\u5b83\u4eec\u7684 localityIndex \u8fd9\u4e00\u4e8b\u5b9e\u3002\u8fd9\u88ab\u7528\u6765\u5efa\u7acb\u4f60\u5728\u8c03\u7528 getClusterMetrics \u65f6\u67e5\u8be2\u7684 ClusterMetrics \u5bf9\u8c61\uff0c\u5e76\u4e14\u5b83\u4e5f\u88ab\u6ce8\u5165\u5230 Balancer \u4e2d\u3002\u8fd9\u4e2a\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6cd5\u5f88\u7b80\u5355\uff1a\u5728\u6ce8\u5165\u65b0\u7684 ClusterMetrics \u65f6\uff0c\u5c06\u5176\u4e0e\u73b0\u6709\u7684\u8fdb\u884c\u6bd4\u8f83\u3002\u5bf9\u4e8e\u4efb\u4f55\u533a\u57df\uff0c\u5176\u62a5\u544a\u7684 localityIndex \u53d1\u751f\u4e86\u53d8\u5316\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u4fe1\u53f7\uff0c\u8868\u660e\u6211\u4eec\u7684 HDFSBlockDistribution \u7f13\u5b58\u5df2\u7ecf\u8fc7\u671f\u3002\u628a\u5b83\u4f5c\u4e3a\u4e00\u4e2a\u4fe1\u53f7\u6765\u5237\u65b0\u7f13\u5b58\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u662f\u786e\u4fdd RegionServer \u9996\u5148\u62a5\u544a\u6b63\u786e\u7684 localityIndex\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u51b3\u5b9a\u4ece\u652f\u6301 PREAD \u8bfb\u53d6\u7684\u5e95\u5c42\u6301\u4e45\u5316 DFSInputStream \u4e2d\u5bfc\u51fa StoreFile \u7684 HDFSBlockDistribution\u3002DFSInputStream \u516c\u5f00\u4e00\u4e2a getAllBlocks \u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u5176\u8f6c\u6362\u4e3a HDFSBlockDistribution\u3002\u4ee5\u524d\uff0cStoreFile \u7684\u5757\u5206\u5e03\u662f\u5728 StoreFile \u6253\u5f00\u65f6\u8ba1\u7b97\u7684\uff0c\u800c\u4e14\u4ece\u672a\u6539\u53d8\u3002\u73b0\u5728\u6211\u4eec\u4ece\u5e95\u5c42\u7684 DFSInputStream \u6d3e\u751f\u51fa\u6765\uff0c\u968f\u7740 DFSInputStream \u672c\u8eab\u5bf9\u5757\u79fb\u52a8\u7684\u53cd\u5e94\uff08\u5982\u4e0a\u6240\u8ff0\uff09\uff0c\u8fd9\u4e2a\u503c\u4f1a\u968f\u7740\u65f6\u95f4\u81ea\u52a8\u6539\u53d8\u3002<\/p>\n<section>\u7ed3\u00a0 \u00a0 \u679c<\/section>\n<section>\u6848\u4f8b\u7814\u7a76\uff1a\u8de8 7000 \u53f0\u670d\u52a1\u5668\u7ba1\u7406 Locality<\/section>\n<p>\u9996\u5148\uff0c\u6211\u8981\u8ba9\u6570\u636e\u6765\u8bf4\u660e\u95ee\u9898\u3002\u6211\u4eec\u5728 3 \u6708\u4e2d\u65ec\u5f00\u59cb\u5411\u4e00\u4e9b\u95ee\u9898\u8f83\u591a\u7684\u96c6\u7fa4\u63a8\u51fa LocalityHealer\uff0c\u5e76\u5728 5 \u6708\u521d\u5b8c\u6210\u5411\u6240\u6709\u96c6\u7fa4\u7684\u63a8\u51fa\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2209\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-63.jpg\" width=\"1080\" height=\"307\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-63.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-63-300x85.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-63-1024x291.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-63-768x218.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u8be5\u56fe\u8868\u663e\u793a\u4e86\u4ece 2021 \u5e74 3 \u6708 1 \u65e5\u5230 2021 \u5e74 6 \u6708 1 \u65e5\uff0c\u6211\u4eec\u6240\u6709\u751f\u4ea7\u96c6\u7fa4\u7684\u7b2c 25 \u767e\u5206\u70b9\u7684 Locality \u503c\u3002\u5728 3 \u6708\u4e4b\u524d\uff0c\u6211\u4eec\u770b\u5230\u8bb8\u591a\u4e0b\u964d\u5230 90% \u4ee5\u4e0b\uff0c\u4e00\u4e9b\u96c6\u7fa4\u6301\u7eed\u4e0b\u964d\u5230\u51e0\u4e4e 0%\u3002\u968f\u7740\u6211\u4eec\u5f00\u59cb\u63a8\u51fa LocalityHealer\uff0c\u8fd9\u4e9b\u4e0b\u964d\u53d8\u5f97\u4e0d\u90a3\u4e48\u9891\u7e41\u548c\u4e25\u91cd\u3002\u4e00\u65e6 LocalityHealer \u88ab\u5b8c\u5168\u63a8\u51fa\uff0c\u5b83\u4eec\u5c31\u5b8c\u5168\u88ab\u6d88\u9664\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u559c\u6b22\u628a Locality \u4fdd\u6301\u5728 90% \u4ee5\u4e0a\uff0c\u4f46\u6ce8\u610f\u5230\u5f53 Locality \u4f4e\u4e8e 80% \u65f6\uff0c\u771f\u6b63\u7684\u95ee\u9898\u5c31\u5f00\u59cb\u663e\u73b0\u51fa\u6765\u3002\u53e6\u4e00\u79cd\u770b\u95ee\u9898\u7684\u65b9\u6cd5\u662f\uff0c\u5728\u4e00\u4e2a\u533a\u95f4\u5185 \uff0cLocality \u4f4e\u4e8e 80% \u7684 RegionServer \u7684\u6570\u91cf\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2210\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-64.jpg\" width=\"1080\" height=\"308\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-64.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-64-300x86.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-64-1024x292.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-64-768x219.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u8fd9\u5f20\u56fe\u663e\u793a\u4e86\u4e0e\u4e0a\u9762\u76f8\u540c\u7684\u65f6\u95f4\u6bb5\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u66fe\u7ecf\u6709\u6570\u767e\u4e2a\u670d\u52a1\u5668\u5728\u4efb\u4f55\u7279\u5b9a\u65f6\u523b\u90fd\u4f4e\u4e8e 80% \u7684 Locality\u3002\u4ece 5 \u6708\u521d\u5f00\u59cb\uff0c\u8fd9\u4e2a\u6570\u503c\u4e00\u76f4\u4e3a 0\uff0c\u5e76\u4fdd\u6301\u5230\u4eca\u5929\u3002<\/p>\n<p>\u8fd9\u4e9b\u56fe\u8868\u6700\u597d\u7684\u4e00\u70b9\u662f\u5b83\u662f\u81ea\u52a8\u7684\u3002\u9057\u61be\u7684\u662f\uff0c\u7531\u4e8e Locality \uff0c\u6211\u4eec\u6ca1\u6709\u8b66\u62a5\u91cf\u7684\u6307\u6807\u6807\u51c6\uff0c\u4f46 HBase \u56e2\u961f\u7684\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u544a\u8bc9\u4f60\uff0c\u4ed6\u4eec\u66fe\u7ecf\u51e0\u4e4e\u6bcf\u5929\u90fd\u4f1a\u56e0\u4e3a\u67d0\u4e2a\u96c6\u7fa4\u7684 Locality \u800c\u88ab\u547c\u5524\u3002\u8fd9\u4e00\u76f4\u662f\u4e00\u4e2a\u4ee4\u4eba\u8ba8\u538c\u7684\u8b66\u62a5\uff0c\u56e0\u4e3a\u4f60\u552f\u4e00\u80fd\u505a\u7684\u5c31\u662f\u542f\u52a8\u9700\u8981\u6570\u5c0f\u65f6\u624d\u80fd\u5b8c\u6210\u7684\u9ad8\u5ea6\u538b\u5b9e\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u6211\u4eec\u964d\u4f4e\u4e86 Locality \u8b66\u62a5\u7684\u654f\u611f\u6027\uff0c\u4ee5\u907f\u514d\u8b66\u62a5\u75b2\u52b3\uff0c\u4f46\u8fd9\u5bf9\u96c6\u7fa4\u7684\u7a33\u5b9a\u6027\u4ea7\u751f\u4e86\u8d1f\u9762\u5f71\u54cd\u3002<\/p>\n<p>\u6709\u4e86 LocalityHealer\uff0c\u6211\u4eec\u5c31\u4e0d\u518d\u8003\u8651 Locality \u95ee\u9898\u4e86\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u6211\u4eec\u7684\u8b66\u62a5\u975e\u5e38\u654f\u611f\uff0c\u4f46\u5b83\u4eec\u6c38\u8fdc\u4e0d\u4f1a\u53d1\u51fa\u3002Locality \u603b\u662f\u63a5\u8fd1 100%\uff0c\u6211\u4eec\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u5176\u4ed6\u7684\u64cd\u4f5c\u95ee\u9898\u6216\u4ef7\u503c\u5de5\u4f5c\u3002<\/p>\n<section>\u6848\u4f8b\u7814\u7a76\uff1a\u5feb\u901f\u89e3\u51b3\u7531\u4e8e Locality \u4e0d\u4f73\u9020\u6210\u7684\u8d85\u65f6<\/section>\n<p>\u8fd9\u91cc\u8fd8\u6709\u4e00\u4e2a\u5173\u4e8e\u4ec5\u627f\u8f7d 15TB \u7684\u7279\u5b9a\u96c6\u7fa4\u7684\u793a\u4f8b\u3002\u4f60\u53ef\u4ee5\u770b\u5230\u5728\u65f6\u95f4\u7ebf\u7684\u5f00\u59cb\u9644\u8fd1\uff0c\u68d5\u8272\u7684\u7ebf\u662f\u4e00\u4e2a\u65b0\u7684\u670d\u52a1\u5668\uff0c\u5b83\u4ee5 Locality \u4e3a 0 \u542f\u52a8\u3002\u5728\u65f6\u95f4\u8017\u5c3d\u4e4b\u524d\uff0c\u538b\u5b9e\u82b1\u4e86\u5927\u7ea6 7 \u4e2a\u5c0f\u65f6\u624d\u8fbe\u5230\u5927\u7ea6 75% \u7684 Locality\u3002\u90a3\u5929\u665a\u4e0a\u665a\u4e9b\u65f6\u5019\uff0c\u589e\u52a0\u4e86\u66f4\u591a\u7684\u670d\u52a1\u5668\uff0c\u4f46\u5bf9\u5b83\u4eec\u5f00\u59cb\u538b\u5b9e\u4e3a\u65f6\u5df2\u665a\uff08\u7531\u4e8e\u5176\u4ed6\u4efb\u52a1\uff0c\u5982\u5907\u4efd\uff0c\u5728\u51cc\u6668\u8fd0\u884c\uff09\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2211\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-65.jpg\" width=\"1080\" height=\"179\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-65.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-65-300x50.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-65-1024x170.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-65-768x127.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u5f53\u6211\u4eec\u5728\u7b2c\u4e8c\u5929\u8fbe\u5230\u6d41\u91cf\u9ad8\u5cf0\u65f6\uff0cHBase \u56e2\u961f\u88ab\u4e00\u4e2a\u4ea7\u54c1\u56e2\u961f\u547c\u5524\uff0c\u4ed6\u4eec\u9047\u5230\u4e86\u8d85\u65f6\u7684\u95ee\u9898\uff0c\u5bfc\u81f4\u5ba2\u6237\u51fa\u73b0 500 \u6beb\u79d2\u7684\u60c5\u51b5\u3002\u6b64\u65f6\uff0cHBase \u56e2\u961f\u6709\u4e24\u4e2a\u9009\u62e9\uff1a<\/p>\n<p>\u542f\u52a8\u538b\u5b9e\uff0c\u8fd9\u5c06\u8fdb\u4e00\u6b65\u589e\u52a0\u5ef6\u8fdf\uff0c\u5e76\u9700\u8981 8 \u4e2a\u5c0f\u65f6\u4ee5\u4e0a\u7684\u65f6\u95f4\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u8bd5\u8bd5\u65b0\u90e8\u7f72\u7684 LocalityHealer\uff0c\u5b83\u8fd8\u6ca1\u6709\u4f5c\u4e3a\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u8fd0\u884c\u3002<\/p>\n<p>\u4ed6\u4eec\u9009\u62e9\u4e86\u540e\u8005\uff0c\u8fd9\u4f7f\u5f97\u6574\u4e2a\u96c6\u7fa4\u7684 Locality \u5728 3 \u5206\u949f\u5185\u8fbe\u5230 100%\u3002\u653e\u5927\u6765\u770b\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u4e0b\u9762\u7684\u5f71\u54cd\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2212\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-66.jpg\" width=\"1080\" height=\"277\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-66.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-66-300x77.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-66-1024x263.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/03\/4ffce04d92a4d6cb21c1494cdfcd6dc1-66-768x197.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u5728\u672c\u4f8b\u4e0b\uff0c\u6211\u901a\u8fc7\u7ed8\u5236\u5355\u4e2a\u5e73\u5747\u4f4d\u7f6e\uff08\u5de6\u8f74\uff0c\u84dd\u7ebf\uff09\u6765\u603b\u7ed3\u7b2c\u4e00\u4e2a\u56fe\u8868\u3002\u6211\u628a\u96c6\u7fa4\u7684\u7b2c 99 \u4e2a\u767e\u5206\u70b9\u7684\u5ef6\u8fdf\u53e0\u52a0\u5728\u4e00\u8d77\uff08\u53f3\u8f74\uff0c\u9ec4\u7ebf\uff09\u3002\u5728\u6574\u4e2a\u4e0a\u5348\uff0c\u6211\u4eec\u770b\u5230\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u8d85\u65f6\uff08500 \u6beb\u79d2\uff0c\u7528\u7070\u8272\u865a\u7ebf\u8868\u793a\uff09\u3002\u6211\u4eec\u77e5\u9053\uff0c\u5f53\u6211\u4eec\u8fbe\u5230\u6d41\u91cf\u9ad8\u5cf0\u65f6\uff0c\u8fd9\u5c06\u53d8\u5f97\u975e\u5e38\u5173\u952e\uff0c\u6240\u4ee5\u5728 11:30 \u8fd0\u884c\u4e86 LocalityHealer\u3002Locality \u8dc3\u5347\u81f3 100% \u540e\uff0c\u7acb\u5373\u51cf\u5c11\u4e86\u5ef6\u8fdf\u6ce2\u52a8\u548c\u8d85\u65f6\u7684\u60c5\u51b5\u3002<\/p>\n<section>\u7ed3\u00a0 \u00a0 \u8bba<\/section>\n<p>LocalityHealer \u6539\u53d8\u4e86 HubSpot \u5728\u7ba1\u7406\u5feb\u901f\u589e\u957f\u7684\u96c6\u7fa4\u7684\u5173\u952e\u6027\u80fd\u6307\u6807\u65b9\u9762\u7684\u6e38\u620f\u89c4\u5219\u3002\u6211\u4eec\u76ee\u524d\u6b63\u5728\u52aa\u529b\u5c06\u8fd9\u9879\u5de5\u4f5c\u8d21\u732e\u7ed9\u5f00\u6e90\u793e\u533a\uff0c\u5728 HBASE-26250 \u8fd9\u4e2a\u603b\u7684\u95ee\u9898\u4e0b\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u6211\u4eec\u7684\u6570\u636e\u57fa\u7840\u8bbe\u65bd\u56e2\u961f\u6bcf\u5929\u90fd\u5728\u5904\u7406\u7684\u5de5\u4f5c\u3002<\/p>\n<p><strong>\u4f5c\u8005\u4ecb\u7ecd\uff1a<\/strong><\/p>\n<p>Bryan Beaudreault\uff0cHubSpot \u9996\u5e2d\u5de5\u7a0b\u5e08\u3002\u66fe\u5728 HubSpot \u9886\u5bfc\u8fc7\u591a\u4e2a\u56e2\u961f\uff0c\u5305\u62ec\u521b\u5efa\u6570\u636e\u57fa\u7840\u8bbe\u65bd\u56e2\u961f\uff0c\u5e76\u5e26\u9886 HubSpot \u5728\u9ad8\u5ea6\u591a\u79df\u6237\u7684\u4e91\u73af\u5883\u4e0b\uff0c\u5728\u591a\u4e2a\u6570\u636e\u5b58\u50a8\u4e2d\u5b9e\u73b0\u4e86 99.99% \u7684\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u3002\u540e\u6765\u56de\u5230\u4ea7\u54c1\u65b9\u9762\uff0c\u81f4\u529b\u4e8e\u4e3a HubSpot \u5373\u5c06\u63a8\u51fa\u7684\u4e00\u6b3e\u4ea7\u54c1\u5b9e\u73b0\u5bf9\u8bdd\u81ea\u52a8\u5316\u3002<\/p>\n<\/section>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_2203\" class=\"pvc_stats total_only  \" data-element-id=\"2203\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.0\" viewBox=\"0 0 502 315\" preserveAspectRatio=\"xMidYMid meet\"><g transform=\"translate(0,332) scale(0.1,-0.1)\" fill=\"\" stroke=\"none\"><path d=\"M2394 3279 l-29 -30 -3 -207 c-2 -182 0 -211 15 -242 39 -76 157 -76 196 0 15 31 17 60 15 243 l-3 209 -33 29 c-26 23 -41 29 -80 29 -41 0 -53 -5 -78 -31z\"\/><path d=\"M3085 3251 c-45 -19 -58 -50 -96 -229 -47 -217 -49 -260 -13 -295 52 -53 146 -42 177 20 16 31 87 366 87 410 0 70 -86 122 -155 94z\"\/><path d=\"M1751 3234 c-13 -9 -29 -31 -37 -50 -12 -29 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