0 0 0 0|0 0|0 312b 1k 2 00:12:07
0 2 0 0 0 3 0 32m 126m 21m 0 0 0 0|0 0|0 312b 1k 2 00:12:08
0 2 0 0 0 3 0 32m 126m 21m 0 0 0 0|0 0|0 312b 1k 2 00:12:09
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:10
insert query update delete getmore command flushes mapped vsize res faults locked % idx miss % qr|qw ar|aw netIn netOut conn time
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:11
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:12
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:13
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:14
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:15
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:16
0 0 0 0 0 1 0 32m 126m 21m 0 0 0 0|0 0|0 62b 1k 2 00:12:17
[root@Mongodb ~]#
2.db.serverStatus
这个命令是最常用也是最基础的查看实例运行状态的命令之一;
> db.serverStatus()
{
"host" : "Mongodb",
"version" : "1.8.1",
"process" : "mongod",
"uptime" : 23835,
"uptimeEstimate" : 19085,
"localTime" : ISODate("2013-06-04T16:13:54.759Z"),
"globalLock" : {
"totalTime" : 23835266950,
"lockTime" : 1406729,
"ratio" : 0.000059018806164451204,
"currentQueue" : {
"total" : 0,
"readers" : 0,
"writers" : 0
},
"activeClients" : {
"total" : 0,
"readers" : 0,
"writers" : 0
}
},
"mem" : {
"bits" : 32,
"resident" : 21,
"virtual" : 126,
"supported" : true,
"mapped" : 32
},
"connections" : {
"current" : 1,
"available" : 818
},
"extra_info" : {
"note" : "fields vary by platform",
"heap_usage_bytes" : 291432,
"page_faults" : 88
},
"indexCounters" : {
"btree" : {
"accesses" : 1,
"hits" : 1,
"misses" : 0,
"resets" : 0,
"missRatio" : 0
}
},
"backgroundFlushing" : {
"flushes" : 397,
"total_ms" : 75,
"average_ms" : 0.1889168765743073,
"last_ms" : 0,
"last_finished" : ISODate("2013-06-04T16:13:40.114Z")
},
"cursors" : {
"totalOpen" : 13,
"clientCursors_size" : 13,
"timedOut" : 5
},
"network" : {
"bytesIn" : 13775,
"bytesOut" : 61049,
"numRequests" : 203
},
"opcounters" : {
"insert" : 21,
"query" : 55,
"update" : 1,
"delete" : 0,
"getmore" : 0,
"command" : 127
},
"asserts" : {
"regular" : 0,
"warning" : 0,
"msg"