{"id":10006145,"date":"2022-08-09T13:08:48","date_gmt":"2022-08-09T05:08:48","guid":{"rendered":"https:\/\/ityet.com\/?p=10006145"},"modified":"2022-08-09T13:08:48","modified_gmt":"2022-08-09T05:08:48","slug":"%e5%9b%bd%e9%99%85%e8%ae%a1%e8%b4%b9%e7%b3%bb%e7%bb%9f%e5%9f%ba%e4%ba%8esharding-proxy%e5%a4%a7%e6%95%b0%e6%8d%ae%e8%bf%81%e7%a7%bb%e6%96%b9%e6%a1%88%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006145","title":{"rendered":"\u56fd\u9645\u8ba1\u8d39\u7cfb\u7edf\u57fa\u4e8eSharding-Proxy\u5927\u6570\u636e\u8fc1\u79fb\u65b9\u6848\u5b9e\u8df5"},"content":{"rendered":"<p>1 \u80cc\u666f<\/p>\n<p>\u8ba1\u8d39\u6570\u636e\u91cf\u5267\u589e\uff0c\u9700\u8981\u5c06\u8001\u5e93\u8fdb\u884c\u6570\u636e\u62c6\u5206\u5230\u591a\u4e2a\u5206\u5e93\uff0c\u6570\u636e\u5206\u7247\uff1b<br \/>\u62c6\u5206\u89c4\u5219\u4e3a\u6536\u4ed8\u6b3e\u5bf9\u8c61\uff08\u6216ID\uff09\u5b57\u6bb5\uff0c\u8fdb\u884cHASH\uff0c\u53d6\u6a21(32)\uff0c\u520632\u4e2a\u5e93<\/p>\n<p>2 \u76ee\u6807<\/p>\n<p>\u5b9e\u73b0\u6570\u636e\u4ece\u8001\u5e93\uff0c\u6309\u7167\u5206\u7247\u89c4\u5219\uff0c\u8fc1\u79fb\u5230\u5206\u5e93\u4e2d<br \/>\u4fdd\u8bc1\u6570\u636e\u5e73\u6ed1\u8fc1\u79fb\uff0c\u5c3d\u91cf\u505c\u4ea7\u65f6\u95f4\u6700\u5c0f<br \/>\u652f\u6301\u56de\u6eda\uff0c\u540c\u6b65\u5931\u8d25\uff0c\u652f\u6301\u56de\u6eda\u5355\u5e93<\/p>\n<p>3 \u65b9\u6848<br \/>3.1 \u57fa\u4e8e\u8702\u5de2\u4e2d\u95f4\u4ef6\u5b9e\u73b0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290043\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>3.2 \u534a\u81ea\u7814\u540c\u6b65\u6570\u636e\u5904\u7406\u7a0b\u5e8f<br \/>\u5f00\u53d1\u6570\u636e\u5904\u7406\u7a0b\u5e8f\uff0c\u6d88\u8d39\u5386\u53f2\u6570\u636eMQ\uff1b<br \/>\u6d88\u8d39\u589e\u91cf\u6570\u636eMQ\u57fa\u4e8edts\u540c\u6b65\u5386\u53f2\u6570\u636e\uff08\u6307\u5b9a\u65f6\u95f4\u4f4d\u70b9\uff0c\u540c\u6b65\u5386\u53f2\uff09<br \/>\u57fa\u4e8eJDQ\u540c\u6b65\u5b9e\u65f6\u6570\u636e\uff08\u6307\u5b9a\u65f6\u95f4\u4f4d\u70b9\uff0c\u6062\u590d\u5b9e\u65f6\u540c\u6b65\uff09<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290044\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>3.3 \u57fa\u4e8e\u5f00\u6e90\u4e2d\u95f4\u4ef6\u7b56\u7565<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290045\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>3.4 \u5b8c\u5168\u81ea\u7814\u6570\u636e\u5904\u7406\u5de5\u5177\u5f00\u53d1<br \/>\u6570\u636e\u67e5\u8be2\u7a0b\u5e8f\uff0c\u5386\u53f2\u6570\u636e\u67e5\u8be2\u53d1\u9001MQ\u5199\u5165<br \/>\u5b9e\u65f6\u6570\u636e\u53cc\u5199<br \/>\u7edf\u4e00\u53d1\u9001MQ\uff0c\u7531MQ\u5f02\u6b65\u5904\u7406\u5199\u5165<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290046\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>3.5 \u65b9\u6848\u5bf9\u6bd4<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290047\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u7efc\u4e0a\u6574\u4f53\u8bc4\u4f30\uff0c\u6211\u4eec\u6700\u7ec8\u9009\u53d6\uff0c\u57fa\u4e8esharding-proxy\u505a\u6570\u636e\u8fc1\u79fb\u6574\u4f53\u65b9\u6848<\/p>\n<p>4 Proxy\u4ecb\u7ecd\u4e0e\u642d\u5efa<\/p>\n<p>4.1 \u7b80\u4ecb<\/p>\n<p>4.1.1 \u8bbe\u8ba1\u610f\u4e49\u5b9a\u4f4d\u4e3a\u900f\u660e\u5316\u7684\u6570\u636e\u5e93\u4ee3\u7406\u7aef\uff0c\u63d0\u4f9b\u5c01\u88c5\u4e86\u6570\u636e\u5e93\u4e8c\u8fdb\u5236\u534f\u8bae\u7684\u670d\u52a1\u7aef\u7248\u672c\uff0c\u7528\u4e8e\u5b8c\u6210\u5bf9\u5f02\u6784\u8bed\u8a00\u7684\u652f\u6301\u3002 \u76ee\u524d\u63d0\u4f9b MySQL \u548c PostgreSQL\uff08\u517c\u5bb9 openGauss \u7b49\u57fa\u4e8e PostgreSQL \u7684\u6570\u636e\u5e93\uff09\u7248\u672c\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u517c\u5bb9 MySQL\/PostgreSQL \u534f\u8bae\u7684\u8bbf\u95ee\u5ba2\u6237\u7aef\uff08\u5982\uff1aMySQL Command Client, MySQL Workbench, Navicat \u7b49\uff09\u64cd\u4f5c\u6570\u636e\uff0c\u5bf9 DBA \u66f4\u52a0\u53cb\u597d\u3002<\/p>\n<p>\u5411\u5e94\u7528\u7a0b\u5e8f\u5b8c\u5168\u900f\u660e\uff0c\u53ef\u76f4\u63a5\u5f53\u505a MySQL\/PostgreSQL \u4f7f\u7528\uff1b<br \/>\u9002\u7528\u4e8e\u4efb\u4f55\u517c\u5bb9 MySQL\/PostgreSQL \u534f\u8bae\u7684\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290048\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>4.1.2 \u6574\u4f53\u67b6\u6784<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290049\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6574\u4e2a\u67b6\u6784\u53ef\u4ee5\u5206\u4e3a\u524d\u7aef\u3001\u540e\u7aef\u548c\u6838\u5fc3\u7ec4\u4ef6\u4e09\u90e8\u5206\u3002<br \/>\u524d\u7aef\u8d1f\u8d23\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\uff0c\u91c7\u7528\u7684\u662f\u57fa\u4e8eNIO\u7684\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u6846\u67b6\uff0c\u5728Windows\u548cMac\u64cd\u4f5c\u7cfb\u7edf\u4e0b\u91c7\u7528NIO\u6a21\u578b\uff0cLinux\u7cfb\u7edf\u81ea\u52a8\u9002\u914d\u4e3aEpoll\u6a21\u578b\u3002\u901a\u4fe1\u7684\u8fc7\u7a0b\u4e2d\u5b8c\u6210\u5bf9MySQL\u534f\u8bae\u7684\u7f16\u89e3\u7801\u3002\u6838\u5fc3\u7ec4\u4ef6\u5f97\u5230\u89e3\u7801\u7684MySQL\u547d\u4ee4\u540e\uff0c\u5f00\u59cb\u8c03\u7528Sharding-Core\u5bf9SQL\u8fdb\u884c\u89e3\u6790\u3001\u8def\u7531\u3001\u6539\u5199\u3001\u7ed3\u679c\u5f52\u5e76\u7b49\u6838\u5fc3\u529f\u80fd\u3002\u540e\u7aef\u4e0e\u771f\u5b9e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u76ee\u524d\u501f\u52a9\u4e8eHikari\u8fde\u63a5\u6c60\u3002<\/p>\n<p>4.2 \u642d\u5efa<\/p>\n<p>4.2.1 \u5173\u952e\u5b57\u89e3\u8bfb<br \/>\u4e0b\u8f7d\uff0c\u89e3\u538b\uff0c\u5b89\u88c5mysql\u9a71\u52a8\uff0c\u542f\u52a8\uff0c\u5b8c\u4e8b<\/p>\n<p>4.2.2 \u5b89\u88c5shareding-proxy<\/p>\n<p>\u5b89\u88c5\u5305\u4e0b\u8f7d\uff0c\u9009\u62e9\u5408\u9002\u7248\u672c\uff08\u672c\u6587\u9009\u75284.1.1\uff09\uff0c\u5728\u5b98\u7f51\u8fdb\u884c\u4e0b\u8f7d\uff0c\u5b98\u7f51\u5730\u5740<a href=\"https:\/\/link.segmentfault.com\/?enc=ABBKftw5JjjnIZlHRC35RQ%3D%3D.Ev28Pk56wiJVKUpkPLmuu0Uu6K61C4iJo748MSGcnj7WJFbGcA2L3i9JTpD0ZZxKWcNrIEnkje%2F4r1N54bzJkA%3D%3D\" rel=\"nofollow\">https:\/\/shardingsphere.apache&#8230;<\/a><br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290050\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u5b89\u88c5\u5305\u89e3\u538b\uff08\u81ea\u52a8\u89e3\u538b\uff0c\u6216\u662f\u547d\u4ee4\u89e3\u538b\uff09\uff0c\u89e3\u538b\u76ee\u5f55\u81ea\u5df1\u968f\u610f\u6307\u5b9a\uff08\u6709\u6743\u9650\u76ee\u5f55\u5747\u53ef\uff09<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290051\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u89e3\u538b\u540eshareding-proxy\u76ee\u5f55<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290052\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>shareding-proxy\u914d\u7f6e\u76ee\u5f55conf\uff0c\u5305\u542b\u6240\u6709\u914d\u7f6e\u6570\u636e<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290053\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>4.2.3 \u5b89\u88c5mysql\u9a71\u52a8<br \/>\u5c06mysql\u7684\u9a71\u52a8jar\u5305(mysql-connector-java-5.1.44.jar )\u653e\u5728shareding-proxy\u7684lib\u76ee\u5f55\u4e0bShardingSphere-Proxy\u4e0d\u5e26mysql\u9a71\u52a8jar\u5305\uff0c\u9700\u8981\u624b\u52a8\u4e0b\u8f7d<br \/>\u4e0b\u8f7d\u5730\u5740<a href=\"https:\/\/link.segmentfault.com\/?enc=yLszzig41rZCCi72SD3LbQ%3D%3D.4WupT2vp0xAeosmh05HkyXB8thQ0EgnquWr05MV%2Bj31LJjOM3%2BfwXjWpiXOzpj%2F6\" rel=\"nofollow\">https:\/\/dev.mysql.com\/downloa&#8230;<\/a><br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290054\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>4.2.4 proxy\u542f\u52a8<br \/>shareding-proxy\u7684bin\u76ee\u5f55start.sh\uff0c\u901a\u8fc7.\/start.sh\u542f\u52a8<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290055\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>4.2.5 Remark<br \/>Sharding-Proxy\u9ed8\u8ba4\u7684\u542f\u52a8\u7aef\u53e3\u662f3307<\/p>\n<p>4.3 \u914d\u7f6e<br \/>4.3.1 \u5173\u952e\u5b57\u89e3\u8bfb<br \/>\u516d\u5927\u914d\u7f6e\u2014\u2014\u65e5\u5fd7\u914d\u7f6e(logback.xml)\uff0c\u57fa\u7840\u670d\u52a1\u914d\u7f6e(server.yaml)\uff0c\u903b\u8f91\u914d\u7f6e(\u56db\u4e2aconf\u914d\u7f6e\u6587\u4ef6\uff0c\u5206\u7247\uff08\u6838\u5fc3\uff09\/\u5f71\u5b50\/\u8bfb\u5199\u5206\u79bb\/\u52a0\u5bc6\u914d\u7f6e)<br \/>\u672c\u4f8b\u57fa\u4e8eserver.yaml\u3001config-sharding.yaml\u914d\u7f6e\u5206\u7247\u7b56\u7565<\/p>\n<p>4.3.2 server.yaml<br \/>\u57fa\u7840\u670d\u52a1\u914d\u7f6e\uff0c\u4e09\u90e8\u5206\u7ec4\u6210<br \/>1\uff09shareding-jdbc\u7684\u7f16\u6392\u6cbb\u7406\u914d\u7f6e\uff0c\u63d0\u4f9b\u6570\u636e\u6cbb\u7406\u529f\u80fd\uff0c\u5305\u542b\u5982\u4e0b\uff1a<br \/>\u914d\u7f6e\u96c6\u4e2d\u5316\u4e0e\u52a8\u6001\u5316\u3002\uff08\u652f\u6301\u6570\u636e\u6e90\uff0c\u8868\u4e0e\u5206\u7247\u8bfb\u5199\u5206\u79bb\u7b56\u7565\u7684\u52a8\u6001\u5207\u6362\uff09<br \/>\u6570\u636e\u6cbb\u7406\u3002\u63d0\u4f9b\u7194\u65ad\u6570\u636e\u5e93\u8bbf\u95ee\u7a0b\u5e8f\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u548c\u7981\u7528\u4ece\u5e93\u7684\u8bbf\u95ee\u7684\u80fd\u529b<br \/>\u652f\u6301Zookeeper\u548cetcd\u7684\u6ce8\u518c\u4e2d\u5fc3\uff1b<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290056\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>2\uff09\u6743\u9650\u914d\u7f6e\uff0c\u914d\u7f6e\u7528\u6237\u540d\u548c\u5bc6\u7801\u4ee5\u53ca\u6388\u6743\u6570\u636e\u5e93<br \/>\u4e0b\u4f8b\u914d\u7f6e\u4e24\u4e2a\u7528\u6237\uff0c\u5206\u522b\u4e3a\uff1aroot\/root\u548csharding\/sharding\uff0c\u5176\u4e2droot\u9ed8\u8ba4\u6388\u6743\u6240\u6709\u7684\u6570\u636e\u5e93\uff0c\u800csharding\u7528\u6237\u5219\u6388\u6743sharding_db\u6570\u636e\u5e93\u3002\u5728\u8fd9\u91cc\u7684\u6570\u636e\u5e93\uff08schema\uff09\u662f\u903b\u8f91\u6570\u636e\u5e93\uff0c\u5728config-*.yaml\u4e2d\u914d\u7f6e\u5bf9\u5e94\u5206\u5e93\u6620\u5c04<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290057\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u4ee3\u7406\u6570\u636e\u6e90\u53c2\u6570\u914d\u7f6e<br \/>\u914d\u7f6e\u6570\u636e\u94fe\u63a5\uff0c\u7ebf\u7a0b\uff0c\u6838\u6570\u7b49<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290058\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>4.3.3 config-sharding.yaml<br \/>shareding-proxy\u6838\u5fc3\u914d\u7f6e\uff0c\u5206\u7247\u89c4\u5219\u76f8\u5173\u914d\u7f6e\uff0c\u5305\u542bschemaName\u3001dataSources\u3001shardingRule\u4e09\u90e8\u5206<\/p>\n<p>1\uff09\u4e0b\u56fe\u903b\u8f91\u5e93\u5bf9\u5e94\u5206\u5e93\u6570\u636e\u6e90\u7684\u6620\u5c04\u914d\u7f6e<br \/>schemaName\u903b\u8f91\u5e93\u540d\uff0c\u5728server.yaml\u58f0\u660e\u7684\u6388\u6743\u7684schema\u5c31\u662f\u8fd9\u91cc\u7684schemaName<br \/>dataSources\u4e3a\u6570\u636e\u6e90\u914d\u7f6e\uff0c\u672c\u4f8b\u6620\u5c04\u4fe9\u4e2a\u5206\u5e93\uff08ds0\uff0cds_1\uff09\uff0cds${0..1}\u5bf9\u5e94\u903b\u8f91\u5206\u5e93\u540d\uff0curl\u586b\u5199\u5b9e\u9645\u5e93<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290059\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>4.3.4 logback.xml<br \/>\u57fa\u4e8elogback\u7684\u65e5\u5fd7\u914d\u7f6e<\/p>\n<p>4.3.5 \u5269\u4f59\u4e09\u9879\u914d\u7f6e<\/p>\n<p>config-shadow.yaml\/config-master_slave.yaml\/config-encrypt.yaml<\/p>\n<p>\u5206\u522b\u4e3a\u5f71\u5b50\u5e93\u914d\u7f6e\uff0c\u4e3b\u4ece\u914d\u7f6e\uff0c\u6570\u636e\u5b57\u6bb5\u52a0\u5bc6\u914d\u7f6e\uff0c\u6709\u610f\u53ef\u4ee5\u81ea\u884c\u770b\u4e0b\u6587\u94fe\u63a5<\/p>\n<p>5 \u8c03\u8bd5<\/p>\n<p>\u57fa\u4e8e\u642d\u5efaShardingSphere-Proxy\u4ee3\u7406\u9009\u62e9\u76f4\u8fde\u5de5\u5177\u5ba2\u6237\u7aef<br \/>\u7528Navicat\u6216\u8005mysql\u547d\u4ee4\u76f4\u8fde<br \/>\u624b\u52a8mysql\u547d\u4ee4\u94fe\u63a5\u5982\u4e0b<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290060\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u67e5\u8be2\u4e0d\u5e26\u62c6\u5206\u952e\u9ed8\u8ba4\u641c\u5168\u5e93\uff0c\u65b0\u589e\u9ed8\u8ba4\u6839\u636e\u62c6\u5206\u952e\u8def\u7531\u5bf9\u5e94\u771f\u5b9e\u5e93<\/p>\n<p>6 \u6570\u636e\u8fc1\u79fb<\/p>\n<p>\u8fc1\u79fb\u4e09\u6b65<br \/>1\uff09\u7ebf\u4e0a\u5b89\u88c5sharding-proxy<br \/>2\uff09\u6570\u636e\u540c\u6b65\uff1a\u521b\u5efa\u8fc1\u79fb\u4efb\u52a1\uff0c\u542f\u52a8\u540c\u6b65\uff0c\u539f\u7406\u5373\u662f\u521b\u5efaDTS\u4efb\u52a1<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290061\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290062\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>3\uff09\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c<br \/>\u5168\u91cf\u6bd4\u5bf9\uff0c\u6574\u4f53\u540c\u6b65\u8fdb\u5ea6\u67e5\u8be2<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290063\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u65f6\u95f4\u5206\u6bb5\u6bd4\u5bf9\uff0c\u6309\u7167\u5404\u4e2a\u65f6\u95f4\u6bb5\u62bd\u6837\u8fdb\u884c\u65b0\u5e93\u8001\u5e93\u603b\u91cf\u6bd4\u5bf9\uff0c\u624b\u52a8\u6821\u9a8c<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290064\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u968f\u673a\u62bd\u6837\u6bd4\u5bf9\uff1a\u968f\u673a\u65b0\u5e93\u67d0\u4e2a\u65f6\u95f4\u6bb5\u7684\u6570\u636e\u9010\u6761\u8fdb\u884c\u6bd4\u5bf9\uff0c\u624b\u52a8\u5de5\u5177\u6821\u9a8c\u624b\u52a8\u6839\u636e\u5f00\u53d1\u5de5\u5177\u5206\u522b\u62bd\u6837\u67e5\u8be2\uff0c\u5e76\u67e5\u8be2\u51fa\u7684\u6570\u636e\u4e0e\u8001\u5e93\u8fdb\u884c\u6bd4\u5bf9<br \/>\u5168\u91cf\u6570\u636e\u6821\u9a8c\uff1a\u5bf9\u6bd4\u540c\u6b65\u6570\u636e\u8fdb\u884c\u5168\u91cf\u6570\u636e\u6821\u9a8c\uff0c\u6839\u636eDTS\u5de5\u5177\u8fdb\u884c\u6821\u9a8c\uff0c\u8017\u65f6\u8f83\u957f<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290065\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>7 \u914d\u7f6e\u67e5\u8be2\u673a<\/p>\n<p>\u57fa\u4e8eeasyops\u6216\u8005myops\u914d\u7f6e\u7269\u6d41\u6307\u5b9a\u67e5\u8be2\u673a\uff0c\u901a\u8fc7\u67e5\u8be2\u673a\u67e5\u8be2proxy\u4ee3\u7406\u5b9e\u73b0<\/p>\n<p>8 \u95ee\u9898\u4e0e\u603b\u7ed3<\/p>\n<p>\u6574\u4f53\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u6700\u5927\u7684\u95ee\u9898\u5373\u662f\u6570\u636e\u4e0d\u53ef\u6d4b\uff0c\u9488\u5bf9\u5404\u79cd\u5386\u53f2\u6570\u636e\u95ee\u9898\u5bfc\u81f4\u6570\u636e\u8fc1\u79fb\u4e2d\u65ad\uff0c\u9020\u6210\u8fd4\u5de5\uff0c\u6e05\u7406\u5783\u573e\u6570\u636e\uff0c\u91cd\u65b0\u8fc1\u79fb<\/p>\n<p>8.1 \u62c6\u5206\u952e\u4e3a\u7a7a\u62c6\u5206\u952e\u4e3a\u7a7a\u9ed8\u8ba4\u4e0d\u652f\u6301<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042290066\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>8.2 \u66f4\u65b0\u62c6\u5206\u952e<\/p>\n<p>\u66f4\u65b0\u8bed\u53e5\u9ed8\u8ba4\u4e0d\u652f\u6301\u66f4\u65b0\u62c6\u5206\u952e(\u5b9e\u96454.x\u4e0d\u652f\u6301\u66f4\u65b0\u5e26\u62c6\u5206\u952e\uff0c5.x\u5df2\u7ecf\u652f\u6301\u66f4\u65b0\u5e26\u62c6\u5206\u952e\u4e0d\u6539\u7684\u60c5\u51b5\u4e0b)Unknown exception: [INSERT INTO \u2026. ON DUPLICATE KEY UPDATE can not support update for sharding column.]<\/p>\n<p>8.3 \u9488\u5bf9\u4ee5\u4e0a\u4fe9\u79cd\u5f02\u5e38\u7684\u89e3\u51b3\u65b9\u6cd5<\/p>\n<p>\u62c6\u5206\u952e\u4e0d\u80fd\u4e3a\u7a7a\uff0c\u8bbe\u7f6e\u9ed8\u8ba4\u62c6\u5206\u952e<\/p>\n<p>\u66f4\u65b0\u5e26\u62c6\u5206\u952e\uff0c\u5347\u7ea7sharding-proxy\u52305.x\u6216\u914d\u7f6e\u540c\u6b65DTS\u53bb\u6389\u62c6\u5206\u952e\u66f4\u65b0<\/p>\n<p>\u4f5c\u8005\uff1a\u4efb\u6d2a\u6ce2<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042290041\">https:\/\/segmentfault.com\/a\/1190000042290041<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1 \u80cc\u666f \u8ba1\u8d39\u6570\u636e\u91cf\u5267\u589e\uff0c\u9700\u8981\u5c06\u8001\u5e93\u8fdb\u884c\u6570\u636e\u62c6\u5206\u5230\u591a\u4e2a\u5206\u5e93\uff0c\u6570\u636e\u5206\u7247\uff1b\u62c6\u5206\u89c4\u5219\u4e3a\u6536\u4ed8\u6b3e\u5bf9\u8c61\uff08\u6216ID\uff09\u5b57\u6bb5\uff0c\u8fdb\u884c [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006145","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006145"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006145\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}