Mongodb副本集基本操作
来源：互联网 发布：java完全自学第一步 编辑：程序博客网 时间：2024/06/06 04:04
Mongodb副本集基本操作
实验环境
操作系统：CentOS Linux release 7.3.1611 (Core)数据库系统： Mongodb 3.4.9-1.el7mongo1 IP： 192.168.58.129mongo2 IP： 192.168.58.130mongo3 IP： 192.168.58.131查看副本集状态
可以查看集群详细运行状态
在主节点主节点：
sbc:PRIMARY> rs.status(){ "set" : "sbc", #副本集名称 "date" : ISODate("2017-11-24T02:14:18.056Z"), #执行时间 "myState" : 1, "term" : NumberLong(3), "heartbeatIntervalMillis" : NumberLong(2000), "optimes" : { "lastCommittedOpTime" : { "ts" : Timestamp(1511489649, 1), "t" : NumberLong(3) }, "appliedOpTime" : { "ts" : Timestamp(1511489649, 1), "t" : NumberLong(3) }, "durableOpTime" : { "ts" : Timestamp(1511489649, 1), "t" : NumberLong(3) } }, "members" : [ { "_id" : 0, "name" : "192.168.58.129:27017", #成员名称 "health" : 1, "state" : 1, #成员状态 "stateStr" : "PRIMARY", #状态描述 "uptime" : 23, #副本集运行时间，单位秒 "optime" : { "ts" : Timestamp(1511489649, 1), #最近一次更改数据库的时间/每秒执行操作数据库的次数 "t" : NumberLong(3) }, "optimeDate" : ISODate("2017-11-24T02:14:09Z"), #最后一个操作发生时间 "electionTime" : Timestamp(1511489647, 1), "electionDate" : ISODate("2017-11-24T02:14:07Z"), 最后选举时间 "configVersion" : 1, "self" : true #执行该命令的成员 }, { "_id" : 1, "name" : "192.168.58.130:27017", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 16, "optime" : { "ts" : Timestamp(1511489649, 1), "t" : NumberLong(3) }, "optimeDurable" : { "ts" : Timestamp(1511489649, 1), "t" : NumberLong(3) }, "optimeDate" : ISODate("2017-11-24T02:14:09Z"), "optimeDurableDate" : ISODate("2017-11-24T02:14:09Z"), "lastHeartbeat" : ISODate("2017-11-24T02:14:17.687Z"), "lastHeartbeatRecv" : ISODate("2017-11-24T02:14:17.443Z"), "pingMs" : NumberLong(0), "syncingTo" : "192.168.58.129:27017", "configVersion" : 1 }, { "_id" : 2, "name" : "192.168.58.131:27017", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 11, "optime" : { "ts" : Timestamp(1511489649, 1), "t" : NumberLong(3) }, "optimeDurable" : { "ts" : Timestamp(1511489649, 1), "t" : NumberLong(3) }, "optimeDate" : ISODate("2017-11-24T02:14:09Z"), "optimeDurableDate" : ISODate("2017-11-24T02:14:09Z"), "lastHeartbeat" : ISODate("2017-11-24T02:14:17.687Z"), "lastHeartbeatRecv" : ISODate("2017-11-24T02:14:17.243Z"), "pingMs" : NumberLong(0), "syncingTo" : "192.168.58.129:27017", "configVersion" : 1 } ], "ok" : 1}查看副本集配置
可以查看集群详细运行状态
在主节点执行
sbc:PRIMARY> rs.conf(){ "_id" : "sbc", "version" : 3, "protocolVersion" : NumberLong(1), "members" : [ { "_id" : 0, "host" : "192.168.58.129:27017", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : NumberLong(0), "votes" : 1 }, { "_id" : 1, "host" : "192.168.58.130:27017", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : NumberLong(0), "votes" : 1 }, { "_id" : 2, "host" : "192.168.58.131:27017", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : NumberLong(0), "votes" : 1 } ], "settings" : { "chainingAllowed" : true, "heartbeatIntervalMillis" : 2000, "heartbeatTimeoutSecs" : 10, "electionTimeoutMillis" : 10000, "catchUpTimeoutMillis" : 60000, "getLastErrorModes" : { }, "getLastErrorDefaults" : { "w" : 1, "wtimeout" : 0 }, "replicaSetId" : ObjectId("5a1288509b4aa41f86920d04") }}配置从节点添加可读
默认情况下，从节点是不可读的，当执行查询命令时会报错not master and slaveOk=false
sbc:SECONDARY> db.test.find()Error: error: { "ok" : 0, "errmsg" : "not master and slaveOk=false", "code" : 13435, "codeName" : "NotMasterNoSlaveOk"}开启可读后查询，可正常返回数据
sbc:SECONDARY> rs.slaveOk()sbc:SECONDARY> db.test.find(){ "_id" : ObjectId("5a1646a3e63ee6dcc81bebcc"), "name" : "test0", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebcd"), "name" : "test1", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebce"), "name" : "test2", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebcf"), "name" : "test3", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd0"), "name" : "test4", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd1"), "name" : "test5", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd2"), "name" : "test6", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd4"), "name" : "test8", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd3"), "name" : "test7", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd5"), "name" : "test9", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd6"), "name" : "test10", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd7"), "name" : "test11", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd8"), "name" : "test12", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebda"), "name" : "test14", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebd9"), "name" : "test13", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebdb"), "name" : "test15", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebdc"), "name" : "test16", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebdd"), "name" : "test17", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebde"), "name" : "test18", "age" : 123 }{ "_id" : ObjectId("5a1646a3e63ee6dcc81bebdf"), "name" : "test19", "age" : 123 }Type "it" for more删除节点
实验删除集群中的一个节点，指定ip删除节点3
在主节点上执行：
sbc:PRIMARY> rs.remove("192.168.58.131:27017"){ "ok" : 1 }再次查看整个集群状态，发现ip为192.168.58.131的节点以及被删除
sbc:PRIMARY> rs.status(){ "set" : "sbc", "date" : ISODate("2017-11-24T02:18:36.820Z"), "myState" : 1, "term" : NumberLong(3), "heartbeatIntervalMillis" : NumberLong(2000), "optimes" : { "lastCommittedOpTime" : { "ts" : Timestamp(1511489912, 1), "t" : NumberLong(3) }, "appliedOpTime" : { "ts" : Timestamp(1511489912, 1), "t" : NumberLong(3) }, "durableOpTime" : { "ts" : Timestamp(1511489912, 1), "t" : NumberLong(3) } }, "members" : [ { "_id" : 0, "name" : "192.168.58.129:27017", "health" : 1, "state" : 1, "stateStr" : "PRIMARY", "uptime" : 281, "optime" : { "ts" : Timestamp(1511489912, 1), "t" : NumberLong(3) }, "optimeDate" : ISODate("2017-11-24T02:18:32Z"), "electionTime" : Timestamp(1511489647, 1), "electionDate" : ISODate("2017-11-24T02:14:07Z"), "configVersion" : 2, "self" : true }, { "_id" : 1, "name" : "192.168.58.130:27017", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 275, "optime" : { "ts" : Timestamp(1511489912, 1), "t" : NumberLong(3) }, "optimeDurable" : { "ts" : Timestamp(1511489912, 1), "t" : NumberLong(3) }, "optimeDate" : ISODate("2017-11-24T02:18:32Z"), "optimeDurableDate" : ISODate("2017-11-24T02:18:32Z"), "lastHeartbeat" : ISODate("2017-11-24T02:18:36.794Z"), "lastHeartbeatRecv" : ISODate("2017-11-24T02:18:32.797Z"), "pingMs" : NumberLong(0), "configVersion" : 2 } ], "ok" : 1}此时节点3按下回车后
sbc:SECONDARY> 2017-11-23T18:19:02.932-0800 I NETWORK [thread1] trying reconnect to 127.0.0.1:27017 (127.0.0.1) failed2017-11-23T18:19:02.932-0800 I NETWORK [thread1] reconnect 127.0.0.1:27017 (127.0.0.1) oksbc:OTHER>节点状态由SECONDARY变为了OTHER，也说明已经被移出集群
添加节点
在主节点查看各个从节点状态
sbc:PRIMARY> db.printSlaveReplicationInfo()source: 192.168.58.130:27017 syncedTo: Thu Nov 23 2017 18:21:09 GMT-0800 (PST) 0 secs (0 hrs) behind the primary ```按照ip加入节点```vimsbc:PRIMARY> rs.add("192.168.58.131:27017"){ "ok" : 1 }<div class="se-preview-section-delimiter"></div>尝试第二次加入这个集群
由于集群已存在，会报错Found two member configurations with same host field，而导致添加失败
sbc:PRIMARY> rs.add("192.168.58.131:27017"){ "ok" : 0, "errmsg" : "Found two member configurations with same host field, members.2.host == members.3.host == 192.168.58.131:27017", "code" : 103, "codeName" : "NewReplicaSetConfigurationIncompatible"}<div class="se-preview-section-delimiter"></div>此时再查看集群状态
节点3已经成功加入集群
sbc:PRIMARY> db.printSlaveReplicationInfo()source: 192.168.58.130:27017 syncedTo: Thu Nov 23 2017 18:23:29 GMT-0800 (PST) 0 secs (0 hrs) behind the primary source: 192.168.58.131:27017 syncedTo: Thu Nov 23 2017 18:23:29 GMT-0800 (PST) 0 secs (0 hrs) behind the primary 阅读全文
0 0
- Mongodb副本集基本操作
- MongoDB副本集学习(二)：基本测试与应用
- mongodb 副本集+分片
- mongodb 系统 副本集
- mongoDB 副本集配置
- Mongodb副本集配置
- mongodb副本集
- Mongodb副本集
- mongodb 副本集 创建
- mongodb 副本集 维护
- mongodb副本集搭建
- Mongodb实现副本集
- mongodb副本集创建
- MongoDB副本集
- Mongodb 实现副本集
- Mongodb副本集测试
- MongoDB 副本集介绍
- mongodb 副本集
- spring mvc dubbo整合cms内容发布平台
- H.264中的SPS和PPS
- AT&T汇编学习总结一-汇编语言前言准备
- jdbc连接问题 Class.forName("com.mysql.jdbc.Driver");的作用
- postman基础使用教程
- Mongodb副本集基本操作
- 如何使用Erdas拼接谷歌卫星地图
- Spring boot入门博客推荐
- 如何让linux加载当前目录的动态库
- 第四简单的4-mybatis,sql传参parameterType为包装类和map类型的测试
- 排序二叉树
- [教程]如何快速转载他人博客？
- iPhone 开发——CocoaPods使用
- Android 比例缩放viewgroup
