【MongoDB】配置篇(Linux环境）
二、配置
使用一台机器创建3个副本集，端口地址分别为27017、27018、27019
新建数据库存放目录
cd /usr/local/mongodb mkdir data
创建3个副本集数据的存放目录
cd data/ mkdir db1 db2 db3
创建日志目录，和创建数据存放目录类似
cd ../ mkdir logs cd logs/ mkdir log1 log2 log3
配置config文件
cd /usr/local/mongodb/data touch mdb1.conf mdb2.conf mdb3.conf
vim mdb1.conf
#数据库路径 dbpath=/usr/local/mongodb/data/db1 #日志输出文件路径 logpath=/usr/local/mongodb/logs/log1/log.log #错误日志采用追加模式 logappend=true #启用日志文件，默认启用 journal=true #这个选项可以过滤掉一些无用的日志信息，若需要调试使用请设置为false quiet=true #端口号 默认为27017 port=27017 #允许远程访问 bind_ip=0.0.0.0 #开启子进程 fork=true #开启认证，必选先添加用户 #auth=true #keyFile=/usr/local/mongodb/data/keyfile # 设置副本集名称，在各个配置文件中，其值必须相同 replSet=rs0
修改 mdb2.conf
vim mdb2.conf
#数据库路径 dbpath=/usr/local/mongodb/data/db1 #日志输出文件路径 logpath=/usr/local/mongodb/logs/log1/log.log #错误日志采用追加模式 logappend=true #启用日志文件，默认启用 journal=true #这个选项可以过滤掉一些无用的日志信息，若需要调试使用请设置为false quiet=true #端口号 port=27018 #允许远程访问 bind_ip=0.0.0.0 #开启子进程 fork=true #开启认证，必选先添加用户 #auth=true #keyFile=/usr/local/mongodb/data/keyfile # 设置副本集名称，在各个配置文件中，其值必须相同 replSet=rs0
修改 mdb3.conf
vim mdb3.conf
#数据库路径 dbpath=/usr/local/mongodb/data/db1 #日志输出文件路径 logpath=/usr/local/mongodb/logs/log1/log.log #错误日志采用追加模式 logappend=true #启用日志文件，默认启用 journal=true #这个选项可以过滤掉一些无用的日志信息，若需要调试使用请设置为false quiet=true #端口号 port=27019 #允许远程访问 bind_ip=0.0.0.0 #开启子进程 fork=true #开启认证，必选先添加用户 #auth=true #keyFile=/usr/local/mongodb/data/keyfile # 设置副本集名称，在各个配置文件中，其值必须相同 replSet=rs0
启动mongodb
mongod -f /usr/local/mongodb/data/mdb1.conf
启动成功
![\"3.png\"/](\"https://www.stayed.cn/upload/image/20200818/1597731011886829.png\" "\\"1597731011886829.png\\"")
同样方式启动其他配置
mongod -f /usr/local/mongodb/data/mdb2.conf mongod -f /usr/local/mongodb/data/mdb3.conf
登陆mongo查看
mongo 127.0.0.1:27017
添加副本集
config={
"_id":"rs0",
members:[
{_id:0,host:"127.0.0.1:27017"},
{_id:1,host:"127.0.0.1:27018"},
{_id:2,host:"127.0.0.1:27019"}]
}
rs.initiate(config)rs0:PRIMARY> rs.status()
{
"set" : "rs0",
"date" : ISODate("2020-08-18T06:29:33.166Z"),
"myState" : 1,
"term" : NumberLong(8),
"syncSourceHost" : "",
"syncSourceId" : -1,
"heartbeatIntervalMillis" : NumberLong(2000),
"majorityVoteCount" : 2,
"writeMajorityCount" : 2,
"votingMembersCount" : 3,
"writableVotingMembersCount" : 3,
"optimes" : {
"lastCommittedOpTime" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"lastCommittedWallTime" : ISODate("2020-08-18T06:29:26.436Z"),
"readConcernMajorityOpTime" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"readConcernMajorityWallTime" : ISODate("2020-08-18T06:29:26.436Z"),
"appliedOpTime" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"durableOpTime" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"lastAppliedWallTime" : ISODate("2020-08-18T06:29:26.436Z"),
"lastDurableWallTime" : ISODate("2020-08-18T06:29:26.436Z")
},
"lastStableRecoveryTimestamp" : Timestamp(1597732166, 1),
"electionCandidateMetrics" : {
"lastElectionReason" : "electionTimeout",
"lastElectionDate" : ISODate("2020-08-18T06:23:46.374Z"),
"electionTerm" : NumberLong(8),
"lastCommittedOpTimeAtElection" : {
"ts" : Timestamp(0, 0),
"t" : NumberLong(-1)
},
"lastSeenOpTimeAtElection" : {
"ts" : Timestamp(1597730897, 1),
"t" : NumberLong(6)
},
"numVotesNeeded" : 2,
"priorityAtElection" : 1,
"electionTimeoutMillis" : NumberLong(10000),
"numCatchUpOps" : NumberLong(0),
"newTermStartDate" : ISODate("2020-08-18T06:23:46.417Z"),
"wMajorityWriteAvailabilityDate" : ISODate("2020-08-18T06:23:47.422Z")
},
"members" : [
{
"_id" : 0,
"name" : "127.0.0.1:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 364,
"optime" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"optimeDate" : ISODate("2020-08-18T06:29:26Z"),
"syncSourceHost" : "",
"syncSourceId" : -1,
"infoMessage" : "",
"electionTime" : Timestamp(1597731826, 1),
"electionDate" : ISODate("2020-08-18T06:23:46Z"),
"configVersion" : 1,
"configTerm" : 8,
"self" : true,
"lastHeartbeatMessage" : ""
},
{
"_id" : 1,
"name" : "127.0.0.1:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 356,
"optime" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"optimeDurable" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"optimeDate" : ISODate("2020-08-18T06:29:26Z"),
"optimeDurableDate" : ISODate("2020-08-18T06:29:26Z"),
"lastHeartbeat" : ISODate("2020-08-18T06:29:32.446Z"),
"lastHeartbeatRecv" : ISODate("2020-08-18T06:29:31.574Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncSourceHost" : "127.0.0.1:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 1,
"configTerm" : 8
},
{
"_id" : 2,
"name" : "127.0.0.1:27019",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 349,
"optime" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"optimeDurable" : {
"ts" : Timestamp(1597732166, 1),
"t" : NumberLong(8)
},
"optimeDate" : ISODate("2020-08-18T06:29:26Z"),
"optimeDurableDate" : ISODate("2020-08-18T06:29:26Z"),
"lastHeartbeat" : ISODate("2020-08-18T06:29:32.446Z"),
"lastHeartbeatRecv" : ISODate("2020-08-18T06:29:31.577Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncSourceHost" : "127.0.0.1:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 1,
"configTerm" : 8
}
],
"ok" : 1,
"$clusterTime" : {
"clusterTime" : Timestamp(1597732166, 1),
"signature" : {
"hash" : BinData(0,"kTbyJGGHuloxCSsCbBvKW3vEwcY="),
"keyId" : NumberLong("6861832669135634436")
}
},
"operationTime" : Timestamp(1597732166, 1)
}副本集设置成功！
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