{
"host" : "localhost.localdomain", --hostname
"version" : "2.4.9", --版本
"process" : "mongod", --進程名稱
"pid" : 5099, --進程ID
"uptime" : 1595, --啟動時間(單位:S)
"uptimeMillis" : NumberLong(1595123),
"uptimeEstimate" : 1577, --基於MongoDB內部粗粒度定時器的運行時間
"localTime" : ISODate("2014-04-17T06:55:44.924Z"),--server的本地時間
"asserts" : {
"regular" : 0, --server啟動以來拋出正規斷言(assert 類似於異常處理的形式)總數目
"warning" : 0, --server啟動以來拋出的告警總數目
"msg" : 0, --消息斷言數目。服務器內部定義的良好字符串錯誤
"user" : 3, --用戶斷言數目。用戶產生的錯誤,譬如:磁盤空間滿;重復鍵。
"rollovers" : 0 --server啟動以來,assert counters have rolled over的次數
},
"backgroundFlushing" : {
"flushes" : 26, --數據庫刷新寫到磁盤的次數
"total_ms" : 67, --數據庫刷新數據到磁盤花費的微秒數
"average_ms" : 2.576923076923077,--執行單次刷新花費的平均微秒數
"last_ms" : 2, --最後壹次執行完成刷新數據到磁盤花費的微秒數
"last_finished" : ISODate("2014-04-17T06:55:09.819Z")--當最後壹次刷新數據完成時的時間戳
},
"connections" : {
"current" : 8, --當前活動連接量。連接到server的當前活躍連接數目
"available" : 72, --剩余空閑連接量。剩余的可用連接數目
"totalCreated" : NumberLong(754)
},
"cursors" : {
"totalOpen" : 0, --server為client保持的遊標(cursor)總數
"clientCursors_size" : 0,
"timedOut" : 0 --server啟動以來遊標(cursor)超時的總數
},
"dur" : {
"commits" : 30, --上壹間隔journal日誌發生commit的次數
"journaledMB" : 0, --上壹間隔寫到journal日誌的數據量(單位:MB)
"writeToDataFilesMB" : 0, --上壹間隔journal日誌寫到數據文件的數據量(單位:MB)
"compression" : 0, --
"commitsInWriteLock" : 0, --寫鎖期間發生commits的次數
"earlyCommits" : 0, --schedule時間前請求commit的次數
"timeMs" : {
"dt" : 3064,
"prepLogBuffer" : 0, --準備寫journal日誌花費的時間
"writeToJournal" : 0, --寫journal日誌花費的實際時間
"writeToDataFiles" : 0, --journal日誌後寫數據文件花費的時間
"remapPrivateView" : 0 --The amount of time spent remapping copy-on-write memory mapped views
}
},
"extra_info" : {
"note" : "fields vary by platform",
"heap_usage_bytes" : 3838448, --此過程中所有的堆字節數目。僅適用於Linux
"page_faults" : 31058356 --此過程中訪問內存中頁面失敗的總次數。僅適用於Linux
},
"globalLock" : {
"totalTime" : 1238418105923, --全局鎖創建的時間(單位:ms 微秒)
"lockTime" : 75055831911, --全局鎖保持的時間(單位:ms 微秒)
"ratio" : 0.06060621332329477, --lockTime和totalTime的比
"currentQueue" : {
"total" : 0, --等待全局鎖的隊列中操作數目
"readers" : 0, --等待讀鎖的隊列中操作數目
"writers" : 0 --等待寫鎖的隊列中操作數目
},
"activeClients" : {
"total" : 1, --連接到server的當前活動client數目
"readers" : 1, --執行讀操作的當前活動client數目
"writers" : 0 --執行寫操作的當前活動client數目
}
},
"indexCounters" : {
"accesses" : 196, --Btree索引的訪問次數(索引被訪問量)
"hits" : 196, --內存中的Btree頁的數目。(索引命中量)
"misses" : 0, --內存中不存在的Btree也數目。(索引偏差量)(索引內存訪問失敗次數)
"resets" : 0, --索引計數器被重置為0的次數
"missRatio" : 0 --索引偏差率(未命中率)
},
"locks" : {
"." : {
"timeLockedMicros" : {
"R" : NumberLong(39089),
"W" : NumberLong(43649)
},
"timeAcquiringMicros" : {
"R" : NumberLong(36077),
"W" : NumberLong(5232)
}
},
"admin" : {
"timeLockedMicros" : {
"r" : NumberLong(818),
"w" : NumberLong(0)
},
"timeAcquiringMicros" : {
"r" : NumberLong(70),
"w" : NumberLong(0)
}
},
"local" : {
"timeLockedMicros" : {
"r" : NumberLong(3414),
"w" : NumberLong(0)
},
"timeAcquiringMicros" : {
"r" : NumberLong(352),
"w" : NumberLong(0)
}
},
"WORKING_COLLECTION" : {
"timeLockedMicros" : {
"r" : NumberLong(1921),
"w" : NumberLong(0)
},
"timeAcquiringMicros" : {
"r" : NumberLong(138),
"w" : NumberLong(0)
}
},
"mydb" : {
"timeLockedMicros" : {
"r" : NumberLong(737),
"w" : NumberLong(0)
},
"timeAcquiringMicros" : {
"r" : NumberLong(92),
"w" : NumberLong(0)
}
},
"test" : {
"timeLockedMicros" : {
"r" : NumberLong(959),
"w" : NumberLong(0)
},
"timeAcquiringMicros" : {
"r" : NumberLong(81),
"w" : NumberLong(0)
}
},
"mdsp" : {
"timeLockedMicros" : {
"r" : NumberLong(261031),
"w" : NumberLong(6093)
},
"timeAcquiringMicros" : {
"r" : NumberLong(4956),
"w" : NumberLong(206)
}
}
},
"network" : {
"bytesIn" : NumberLong("1929833164782"), --發送到數據庫的數據總量(bytes)
"bytesOut" : 553137147925, --數據庫發出的數據總量(bytes)
"numRequests" : 2475184328 --發送到數據庫的請求量
},
"opcounters" : {
"insert" : 687531883, --server啟動以來總的insert數據量
"query" : 711010343, --server啟動以來總的query數據量
"update" : 0, --server啟動以來總的update數據量
"delete" : 0, --server啟動以來總的delete數據量
"getmore" : 6484, --server啟動以來調用任何遊標的getMore總次數
"command" : 1287537 --server啟動以來執行其他命令的總次數
},
"opcountersRepl" : {
"insert" : 0,
"query" : 0,
"update" : 0,
"delete" : 0,
"getmore" : 0,
"command" : 0
},
"recordStats" : {
"accessesNotInMemory" : 6,
"pageFaultExceptionsThrown" : 5,
"WORKING_COLLECTION" : {
"accessesNotInMemory" : 0,
"pageFaultExceptionsThrown" : 0
},
"admin" : {
"accessesNotInMemory" : 0,
"pageFaultExceptionsThrown" : 0
},
"local" : {
"accessesNotInMemory" : 0,
"pageFaultExceptionsThrown" : 0
},
"mdsp" : {
"accessesNotInMemory" : 6,
"pageFaultExceptionsThrown" : 5
},
"mydb" : {
"accessesNotInMemory" : 0,
"pageFaultExceptionsThrown" : 0
},
"test" : {
"accessesNotInMemory" : 0,
"pageFaultExceptionsThrown" : 0
}
},
"writeBacksQueued" : false,
"mem" : {
"bits" : 64,
"resident" : 43,
"virtual" : 2326,
"supported" : true,
"mapped" : 992,
"mappedWithJournal" : 1984
},
"metrics" : {
"document" : {
"deleted" : NumberLong(0),
"inserted" : NumberLong(10),
"returned" : NumberLong(1067),
"updated" : NumberLong(20)
},
"getLastError" : {
"wtime" : {
"num" : 0,
"totalMillis" : 0
},
"wtimeouts" : NumberLong(0)
},
"operation" : {
"fastmod" : NumberLong(13),
"idhack" : NumberLong(118),
"scanAndOrder" : NumberLong(122)
},
"queryExecutor" : {
"scanned" : NumberLong(10262)
},
"record" : {
"moves" : NumberLong(0)
},
"repl" : {
"apply" : {
"batches" : {
"num" : 0,
"totalMillis" : 0
},
"ops" : NumberLong(0)
},
"buffer" : {
"count" : NumberLong(0),
"maxSizeBytes" : 268435456,
"sizeBytes" : NumberLong(0)
},
"network" : {
"bytes" : NumberLong(0),
"getmores" : {
"num" : 0,
"totalMillis" : 0
},
"ops" : NumberLong(0),
"readersCreated" : NumberLong(0)
},
"oplog" : {
"insert" : {
"num" : 0,
"totalMillis" : 0
},
"insertBytes" : NumberLong(0)
},
"preload" : {
"docs" : {
"num" : 0,
"totalMillis" : 0
},
"indexes" : {
"num" : 0,
"totalMillis" : 0
}
}
},
"ttl" : {
"deletedDocuments" : NumberLong(0),
"passes" : NumberLong(26)
}
},
"ok" : 1
}