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我有一个带有 WiredTiger 的 MongoDB 4.0.6 实例，文档说 db.serverStatus() 在输出中有一个 storageEngine 部分，其中包含一些有关 Wired Tiger 标志的信息。在我的实例上，输出中根本没有 storageEngine 部分。我是不是漏掉了什么？
具体来说，我有一个分片集群，其中有一个 3 节点副本集，其中一个节点是仲裁器，这会导致在快速创建大量记录时 WiredTigerLAS.wt 文件不断增长。文档说我们可以使用“--enableMajorityReadConcern false”关闭 readConcernMajority，我们已经这样做了。不会停止后备文件的增长。我想检查该标志的状态，并再次按照文档使用 db.serverStatus()，但与文档相反，输出根本不包含 storageEngine 部分。
也许我应该将仲裁器改为数据承载节点，但我希望避免成本。任何有关此问题的帮助都将不胜感激。
添加 rs.status()（请注意，辅助服务器目前正在与主服务器重新同步）：
{
"set" : "shardRS1",
"date" : ISODate("2019-06-06T17:09:06.986Z"),
"myState" : 2,
"term" : NumberLong(66),
"syncingTo" : "1b:27018",
"syncSourceHost" : "1b:27018",
"syncSourceId" : 0,
"heartbeatIntervalMillis" : NumberLong(2000),
"optimes" : {
"lastCommittedOpTime" : {
"ts" : Timestamp(1559840946, 1),
"t" : NumberLong(66)
},
"readConcernMajorityOpTime" : {
"ts" : Timestamp(1559840946, 1),
"t" : NumberLong(66)
},
"appliedOpTime" : {
"ts" : Timestamp(1559840946, 1),
"t" : NumberLong(66)
},
"durableOpTime" : {
"ts" : Timestamp(1559840946, 1),
"t" : NumberLong(66)
}
},
"members" : [
{
"_id" : 0,
"name" : "1b:27018",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 177202,
"optime" : {
"ts" : Timestamp(1559840936, 1),
"t" : NumberLong(66)
},
"optimeDurable" : {
"ts" : Timestamp(1559840936, 1),
"t" : NumberLong(66)
},
"optimeDate" : ISODate("2019-06-06T17:08:56Z"),
"optimeDurableDate" : ISODate("2019-06-06T17:08:56Z"),
"lastHeartbeat" : ISODate("2019-06-06T17:09:05.722Z"),
"lastHeartbeatRecv" : ISODate("2019-06-06T17:09:05.263Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncingTo" : "",
"syncSourceHost" : "",
"syncSourceId" : -1,
"infoMessage" : "",
"electionTime" : Timestamp(1559662230, 1),
"electionDate" : ISODate("2019-06-04T15:30:30Z"),
"configVersion" : 2
},
{
"_id" : 1,
"name" : "1d:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 177203,
"optime" : {
"ts" : Timestamp(1559840946, 1),
"t" : NumberLong(66)
},
"optimeDate" : ISODate("2019-06-06T17:09:06Z"),
"syncingTo" : "1b:27018",
"syncSourceHost" : "1b:27018",
"syncSourceId" : 0,
"infoMessage" : "",
"configVersion" : 2,
"self" : true,
"lastHeartbeatMessage" : ""
},
{
"_id" : 2,
"name" : "1c:27018",
"health" : 1,
"state" : 7,
"stateStr" : "ARBITER",
"uptime" : 177202,
"lastHeartbeat" : ISODate("2019-06-06T17:09:05.933Z"),
"lastHeartbeatRecv" : ISODate("2019-06-06T17:09:05.468Z"),
"pingMs" : NumberLong(1),
"lastHeartbeatMessage" : "",
"syncingTo" : "",
"syncSourceHost" : "",
"syncSourceId" : -1,
"infoMessage" : "",
"configVersion" : 2
}
],
"ok" : 1,
"operationTime" : Timestamp(1559840946, 1),
"$gleStats" : {
"lastOpTime" : Timestamp(0, 0),
"electionId" : ObjectId("000000000000000000000000")
},
"lastCommittedOpTime" : Timestamp(1559840946, 1),
"$configServerState" : {
"opTime" : {
"ts" : Timestamp(1559840926, 1),
"t" : NumberLong(35)
}
},
"$clusterTime" : {
"clusterTime" : Timestamp(1559840946, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
添加 rs.conf()：
{
"_id" : "shardRS1",
"version" : 2,
"protocolVersion" : NumberLong(1),
"writeConcernMajorityJournalDefault" : true,
"members" : [
{
"_id" : 0,
"host" : "1b:27018",
"arbiterOnly" : false,
"buildIndexes" : true,
"hidden" : false,
"priority" : 1,
"tags" : {
},
"slaveDelay" : NumberLong(0),
"votes" : 1
},
{
"_id" : 1,
"host" : "1d:27018",
"arbiterOnly" : false,
"buildIndexes" : true,
"hidden" : false,
"priority" : 1,
"tags" : {
},
"slaveDelay" : NumberLong(0),
"votes" : 1
},
{
"_id" : 2,
"host" : "1c:27018",
"arbiterOnly" : true,
"buildIndexes" : true,
"hidden" : false,
"priority" : 0,
"tags" : {
},
"slaveDelay" : NumberLong(0),
"votes" : 1
}
],
"settings" : {
"chainingAllowed" : true,
"heartbeatIntervalMillis" : 2000,
"heartbeatTimeoutSecs" : 10,
"electionTimeoutMillis" : 10000,
"catchUpTimeoutMillis" : -1,
"catchUpTakeoverDelayMillis" : 30000,
"getLastErrorModes" : {
},
"getLastErrorDefaults" : {
"w" : 1,
"wtimeout" : 0
},
"replicaSetId" : ObjectId("5c8743e6b6916b268c071e3a")
}
}