{"id":1074,"date":"2022-04-01T15:44:33","date_gmt":"2022-04-01T07:44:33","guid":{"rendered":"https:\/\/www.buyao007.icu\/?p=1074"},"modified":"2022-04-03T16:10:43","modified_gmt":"2022-04-03T08:10:43","slug":"3-mongodb%e5%a4%8d%e5%88%b6%e9%9b%86rs%ef%bc%88replicationset%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.buyao007.icu\/?p=1074","title":{"rendered":"3.MongoDB\u590d\u5236\u96c6RS\uff08ReplicationSet\uff09"},"content":{"rendered":"\n<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6\u7fa4\u67b6\u6784\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\uff0c\u66fe\u8d1f\u8d23\u56fd\u5185\u67d0\u5927\u578b\u535a\u5ba2\u7f51\u7ad9\u8fd0\u7ef4\u5de5\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">1.\u57fa\u672c\u539f\u7406<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u57fa\u672c\u6784\u6210\u662f1\u4e3b2\u4ece\u7684\u7ed3\u6784\uff0c\u81ea\u5e26\u4e92\u76f8\u76d1\u63a7\u6295\u7968\u673a\u5236\uff08Raft\uff08MongoDB\uff09  Paxos\uff08mysql MGR \u7528\u7684\u662f\u53d8\u79cd\uff09\uff09\r\n\u5982\u679c\u53d1\u751f\u4e3b\u5e93\u5b95\u673a\uff0c\u590d\u5236\u96c6\u5185\u90e8\u4f1a\u8fdb\u884c\u6295\u7968\u9009\u4e3e\uff0c\u9009\u62e9\u4e00\u4e2a\u65b0\u7684\u4e3b\u5e93\u66ff\u4ee3\u539f\u6709\u4e3b\u5e93\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002\u540c\u65f6\u590d\u5236\u96c6\u4f1a\u81ea\u52a8\u901a\u77e5\r\u5ba2\u6237\u7aef\u7a0b\u5e8f\uff0c\u4e3b\u5e93\u5df2\u7ecf\u53d1\u751f\u5207\u6362\u4e86\u3002\u5e94\u7528\u5c31\u4f1a\u8fde\u63a5\u5230\u65b0\u7684\u4e3b\u5e93\u3002\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">2.Replication Set\u73af\u5883\u51c6\u5907<\/h2>\n\n\n\n<p><strong><em>1.\u89c4\u5212<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e09\u4e2a\u4ee5\u4e0a\u7684mongodb\u8282\u70b9\uff08\u6216\u591a\u5b9e\u4f8b\uff09<\/code><\/pre>\n\n\n\n<p><strong><em>2.\u73af\u5883\u51c6\u5907<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>### \u591a\u4e2a\u7aef\u53e3\uff1a\r\n28017\u300128018\u300128019\u300128020\r\n### \u591a\u5957\u76ee\u5f55\uff1a\r\nsu - mongod\r\nmkdir -p \/mongodb\/280{17..20}\/{conf,data,log} \r\n### \u591a\u5957\u914d\u7f6e\u6587\u4ef6\r\n\/mongodb\/28017\/conf\/mongod.conf\r\n\/mongodb\/28018\/conf\/mongod.conf\r\n\/mongodb\/28019\/conf\/mongod.conf\r\n\/mongodb\/28020\/conf\/mongod.conf\r\n### \u914d\u7f6e\u6587\u4ef6\u5185\u5bb9\r\ncat > \/mongodb\/28017\/conf\/mongod.conf &lt;&lt;EOF\r\nsystemLog:\r\n  destination: file\r\n  path: \/mongodb\/28017\/log\/mongodb.log\r\n  logAppend: true\r\nstorage:\r\n  journal:\r\n    enabled: true\r\n  dbPath: \/mongodb\/28017\/data\r\n  directoryPerDB: true\r\n  #engine: wiredTiger\r\n  wiredTiger:\r\n    engineConfig:\r\n      cacheSizeGB: 1\r\n      directoryForIndexes: true\r\n    collectionConfig:\r\n      blockCompressor: zlib\r\n    indexConfig:\r\n      prefixCompression: true\r\nprocessManagement:\r\n  fork: true\r\nnet:\r\n  bindIp: 10.0.0.51,127.0.0.1\r\n  port: 28017\r\nreplication:\r\n  oplogSizeMB: 2048\r\n  replSetName: my_repl\r\nEOF\r\n\r\n\\cp  \/mongodb\/28017\/conf\/mongod.conf  \/mongodb\/28018\/conf\/\r\n\\cp  \/mongodb\/28017\/conf\/mongod.conf  \/mongodb\/28019\/conf\/\r\n\\cp  \/mongodb\/28017\/conf\/mongod.conf  \/mongodb\/28020\/conf\/\r\n\r\nsed 's#28017#28018#g' \/mongodb\/28018\/conf\/mongod.conf -i\r\nsed 's#28017#28019#g' \/mongodb\/28019\/conf\/mongod.conf -i\r\nsed 's#28017#28020#g' \/mongodb\/28020\/conf\/mongod.conf -i\r\n### \u542f\u52a8\u591a\u4e2a\u5b9e\u4f8b\u5907\u7528\r\nmongod -f \/mongodb\/28017\/conf\/mongod.conf\r\nmongod -f \/mongodb\/28018\/conf\/mongod.conf\r\nmongod -f \/mongodb\/28019\/conf\/mongod.conf\r\nmongod -f \/mongodb\/28020\/conf\/mongod.conf\r\nnetstat -lnp|grep 280\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">3.\u914d\u7f6e\u666e\u901a\u590d\u5236\u96c6<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>1\u4e3b2\u4ece\uff0c\u4ece\u5e93\u666e\u901a\u4ece\u5e93\r\nmongo --port 28017 admin\r\nconfig = {_id: 'my_repl', members: &#91;\r\n                          {_id: 0, host: '10.0.0.51:28017'},\r\n                          {_id: 1, host: '10.0.0.51:28018'},\r\n                          {_id: 2, host: '10.0.0.51:28019'}]\r\n          }          \t\t  \r\nrs.initiate(config) \r\n\r\n\u67e5\u8be2\u590d\u5236\u96c6\u72b6\u6001\r\nrs.status();\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">4.1\u4e3b1\u4ece1\u4e2aarbiter<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>Arbiter\u8282\u70b9\u53ea\u8d1f\u8d23\u6295\u7968\uff0c\u4e0d\u8fdb\u884c\u590d\u5236\uff0c\u51cf\u8f7b\u4e3b\u8282\u70b9\u538b\u529b\r\nmongo -port 28017 admin\r\nconfig = {_id: 'my_repl', members: &#91;\r\n                          {_id: 0, host: '10.0.0.51:28017'},\r\n                          {_id: 1, host: '10.0.0.51:28018'},\r\n                          {_id: 2, host: '10.0.0.51:28019',\"arbiterOnly\":true}]\r\n          }                \r\nrs.initiate(config) \r\n\u6ce8\u610f\uff1a\u8fd9\u4e2a\u5e94\u5f53\u5728\u6700\u5f00\u59cb\u914d\u7f6e\u7684\u65f6\u5019\u76f4\u63a5\u914d\u7f6e\u597d\uff0c\u5426\u5219\uff0c\u9700\u8981\u5148\u79fb\u9664\u8282\u70b9\u518d\u6dfb\u52a0\u8282\u70b9\u624d\u884c\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">5.\u590d\u5236\u96c6\u7ba1\u7406\u64cd\u4f5c<\/h2>\n\n\n\n<p><strong><em>1.\u67e5\u770b\u590d\u5236\u96c6\u72b6\u6001<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rs.status();    \/\/\u67e5\u770b\u6574\u4f53\u590d\u5236\u96c6\u72b6\u6001\r\nrs.isMaster(); \/\/ \u67e5\u770b\u5f53\u524d\u662f\u5426\u662f\u4e3b\u8282\u70b9\r\nrs.conf();   \/\/\u67e5\u770b\u590d\u5236\u96c6\u914d\u7f6e\u4fe1\u606f\r<\/code><\/pre>\n\n\n\n<p><strong><em>2.\u6dfb\u52a0\u5220\u9664\u8282\u70b9<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rs.remove(\"ip:port\"); \/\/ \u5220\u9664\u4e00\u4e2a\u8282\u70b9\r\nrs.add(\"ip:port\"); \/\/ \u65b0\u589e\u4ece\u8282\u70b9\r\nrs.addArb(\"ip:port\"); \/\/ \u65b0\u589e\u4ef2\u88c1\u8282\u70b9\r\n\u4f8b\u5b50\uff1a\r\n\u6dfb\u52a0 arbiter\u8282\u70b9\r\n1\u3001\u8fde\u63a5\u5230\u4e3b\u8282\u70b9\r\n&#91;mongod@db03 ~]$ mongo --port 28018 admin\r\n2\u3001\u6dfb\u52a0\u4ef2\u88c1\u8282\u70b9\r\nmy_repl:PRIMARY> rs.addArb(\"10.0.0.53:28020\")\r\n3\u3001\u67e5\u770b\u8282\u70b9\u72b6\u6001\r\nmy_repl:PRIMARY> rs.isMaster()\r\n{\r\n\t\"hosts\" : &#91;\r\n\t\t\"10.0.0.53:28017\",\r\n\t\t\"10.0.0.53:28018\",\r\n\t\t\"10.0.0.53:28019\"\r\n\t],\r\n\t\"arbiters\" : &#91;\r\n\t\t\"10.0.0.53:28020\"\r\n\t],\r\n\r\nrs.remove(\"ip:port\"); \/\/ \u5220\u9664\u4e00\u4e2a\u8282\u70b9\r\n\u4f8b\u5b50\uff1a\r\nmy_repl:PRIMARY> rs.remove(\"10.0.0.53:28019\");\r\n{ \"ok\" : 1 }\r\nmy_repl:PRIMARY> rs.isMaster()\r\n\r\nrs.add(\"ip:port\"); \/\/ \u65b0\u589e\u4ece\u8282\u70b9\r\n\u4f8b\u5b50\uff1a\r\nmy_repl:PRIMARY> rs.add(\"10.0.0.53:28019\")\r\n{ \"ok\" : 1 }\r\nmy_repl:PRIMARY> rs.isMaster()\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">6.\u7279\u6b8a\u4ece\u8282\u70b9<\/h2>\n\n\n\n<p><strong><em>1.\u4ecb\u7ecd<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arbiter\u8282\u70b9\uff1a\u4e3b\u8981\u8d1f\u8d23\u9009\u4e3b\u8fc7\u7a0b\u4e2d\u7684\u6295\u7968\uff0c\u4f46\u662f\u4e0d\u5b58\u50a8\u4efb\u4f55\u6570\u636e\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u4efb\u4f55\u670d\u52a1\r\nhidden\u8282\u70b9\uff1a\u9690\u85cf\u8282\u70b9\uff0c\u4e0d\u53c2\u4e0e\u9009\u4e3b\uff0c\u4e5f\u4e0d\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002\r\ndelay\u8282\u70b9\uff1a\u5ef6\u65f6\u8282\u70b9\uff0c\u6570\u636e\u843d\u540e\u4e8e\u4e3b\u5e93\u4e00\u6bb5\u65f6\u95f4\uff0c\u56e0\u4e3a\u6570\u636e\u662f\u5ef6\u65f6\u7684\uff0c\u4e5f\u4e0d\u5e94\u8be5\u63d0\u4f9b\u670d\u52a1\u6216\u53c2\u4e0e\u9009\u4e3b\uff0c\u6240\u4ee5\u901a\u5e38\u4f1a\u914d\u5408hidden\uff08\u9690\u85cf\uff09\r\n\u4e00\u822c\u60c5\u51b5\u4e0b\u4f1a\u5c06delay+hidden\u4e00\u8d77\u914d\u7f6e\u4f7f\u7528\r<\/code><\/pre>\n\n\n\n<p><strong><em>2.\u914d\u7f6e\u5ef6\u65f6\u8282\u70b9\uff08\u4e00\u822c\u5ef6\u65f6\u8282\u70b9\u4e5f\u914d\u7f6e\u6210hidden\uff09<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cfg=rs.conf() \r\ncfg.members&#91;3].priority=0  ##\u4e0b\u6807\u7d22\u5f15\u4e3a3\u7684\u8282\u70b9\u4f18\u5148\u7ea7\u4e3a0\uff0c\u5373\u4e0d\u53c2\u4e0e\u9009\u4e3e\uff0c\u53ef\u4ee5\u4ece\u4e0a\u5f80\u4e0b\u6570\uff0c0123\r\ncfg.members&#91;3].hidden=true  ##\u9690\u85cf\u8282\u70b9\uff0c\u5f00\u542f\r\ncfg.members&#91;3].slaveDelay=120  ##\u5ef6\u8fdf\u65f6\u95f4\r\nrs.reconfig(cfg)    \r<\/code><\/pre>\n\n\n\n<p><strong><em>3.\u53d6\u6d88\u914d\u7f6e<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cfg=rs.conf() \r\ncfg.members&#91;2].priority=1\r\ncfg.members&#91;2].hidden=false\r\ncfg.members&#91;2].slaveDelay=0\r\nrs.reconfig(cfg)    \r\n\u914d\u7f6e\u6210\u529f\u540e\uff0c\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u8be2\u914d\u7f6e\u540e\u7684\u5c5e\u6027\r\nrs.conf();\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">7.\u526f\u672c\u96c6\u5176\u4ed6\u64cd\u4f5c\u547d\u4ee4<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u67e5\u770b\u526f\u672c\u96c6\u7684\u914d\u7f6e\u4fe1\u606f\r\nadmin> rs.conf()\r\n\u67e5\u770b\u526f\u672c\u96c6\u5404\u6210\u5458\u7684\u72b6\u6001\r\nadmin> rs.status()\r\n--\u526f\u672c\u96c6\u89d2\u8272\u5207\u6362\uff08\u4e0d\u8981\u4eba\u4e3a\u968f\u4fbf\u64cd\u4f5c\uff09\r\nadmin> rs.stepDown()\r\n\u6ce8\uff1a\r\nadmin> rs.freeze(300) \/\/\u9501\u5b9a\u4ece\uff0c\u4f7f\u5176\u4e0d\u4f1a\u8f6c\u53d8\u6210\u4e3b\u5e93\r\nfreeze()\u548cstepDown\u5355\u4f4d\u90fd\u662f\u79d2\u3002\r\n\u8bbe\u7f6e\u526f\u672c\u8282\u70b9\u53ef\u8bfb\uff1a\u5728\u526f\u672c\u8282\u70b9\u6267\u884c##\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u526f\u672c\u8282\u70b9\u4e0d\u53ef\u8bfb\u5199\r\nadmin> rs.slaveOk()\r\neg\uff1a\r\nadmin> use app\r\nswitched to db app\r\napp> db.createCollection('a')\r\n{ \"ok\" : 0, \"errmsg\" : \"not master\", \"code\" : 10107 }\r\n\r\n\u67e5\u770b\u526f\u672c\u8282\u70b9\uff08\u76d1\u63a7\u4e3b\u4ece\u5ef6\u65f6\uff09\r\nadmin> rs.printSlaveReplicationInfo()\r\nsource: 192.168.1.22:27017\r\n\tsyncedTo: Thu May 26 2016 10:28:56 GMT+0800 (CST)\r\n\t0 secs (0 hrs) behind the primary\r\n\r\nOPlog\u65e5\u5fd7\uff08\u5907\u4efd\u6062\u590d\u7ae0\u8282\uff09\r\n```\r\n\u6269\u5c55:  \r\n\tP S A D  \r\n    1 1 2 1 \r\ncfg=rs.conf() \r\ncfg.members&#91;2].priority=0###\u4e0d\u53c2\u4e0e\u9009\u4e3e\r\ncfg.members&#91;2].votes=0###\u4e0d\u53c2\u4e0e\u6295\u7968\r\nrs.reconfig(cfg)\r<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"_links":{"self":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1074"}],"collection":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1074"}],"version-history":[{"count":1,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1074\/revisions"}],"predecessor-version":[{"id":1075,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1074\/revisions\/1075"}],"wp:attachment":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}