在CentOS7上实现MongoDB 复制集
> rs.status() kgcrs:PRIMARY> rs.status(){
"set" : "kgcrs",
"date" : ISODate("2018-07-17T06:03:15.378Z"),
"myState" : 1,
"term" : NumberLong(1),
"syncingTo" : "",
"syncSourceHost" : "",
"syncSourceId" : -1,
"heartbeatIntervalMillis" : NumberLong(2000),
"optimes" : {
"lastCommittedOpTime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"readConcernMajorityOpTime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"appliedOpTime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"durableOpTime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
}
},
"members" : [
{
"_id" : 0,
"name" : "127.0.0.1:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 1603,
"optime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2018-07-17T06:03:12Z"),
"syncingTo" : "",
"syncSourceHost" : "",
"syncSourceId" : -1,
"infoMessage" : "",
"electionTime" : Timestamp(1531807251, 1),
"electionDate" : ISODate("2018-07-17T06:00:51Z"),
"configVersion" : 1,
"self" : true,
"lastHeartbeatMessage" : ""
},
{
"_id" : 1,
"name" : "127.0.0.1:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 154,
"optime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDurable" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2018-07-17T06:03:12Z"),
"optimeDurableDate" : ISODate("2018-07-17T06:03:12Z"),
"lastHeartbeat" : ISODate("2018-07-17T06:03:13.741Z"),
"lastHeartbeatRecv" : ISODate("2018-07-17T06:03:14.290Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncingTo" : "127.0.0.1:27017",
"syncSourceHost" : "127.0.0.1:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 1
},
{
"_id" : 2,
"name" : "127.0.0.1:27019",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 154,
"optime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDurable" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2018-07-17T06:03:12Z"),
"optimeDurableDate" : ISODate("2018-07-17T06:03:12Z"),
"lastHeartbeat" : ISODate("2018-07-17T06:03:13.741Z"),
"lastHeartbeatRecv" : ISODate("2018-07-17T06:03:14.245Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncingTo" : "127.0.0.1:27017",
"syncSourceHost" : "127.0.0.1:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 1
},
{
"_id" : 3,
"name" : "127.0.0.1:27020",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 154,
"optime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDurable" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2018-07-17T06:03:12Z"),
"optimeDurableDate" : ISODate("2018-07-17T06:03:12Z"),
"lastHeartbeat" : ISODate("2018-07-17T06:03:13.741Z"),
"lastHeartbeatRecv" : ISODate("2018-07-17T06:03:14.291Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncingTo" : "127.0.0.1:27017",
"syncSourceHost" : "127.0.0.1:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 1
},
{
"_id" : 4,
"name" : "127.0.0.1:27021",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 154,
"optime" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDurable" : {
"ts" : Timestamp(1531807392, 1),
"t" : NumberLong(1)
},
"optimeDate" : ISODate("2018-07-17T06:03:12Z"),
"optimeDurableDate" : ISODate("2018-07-17T06:03:12Z"),
"lastHeartbeat" : ISODate("2018-07-17T06:03:13.741Z"),
"lastHeartbeatRecv" : ISODate("2018-07-17T06:03:14.142Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncingTo" : "127.0.0.1:27017",
"syncSourceHost" : "127.0.0.1:27017",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 1
}
],
"ok" : 1,
"operationTime" : Timestamp(1531807392, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1531807392, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
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