python mongodb 怎么执行 db.serverStatus 命令
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> db.serverStatus();
{
"host" : "localhost.localdomain", --hostname
"version" : "2.4.9", --版本
"process" : "mongod", --进程名称
"pid" : 5099, --进程ID
"uptime" : 1595, --启动时间(单位:S)
"uptimeMillis" : NumberLong(1595123),
"uptimeEstimate" : 1577, --基于MongoDB内部粗粒度定时器的运行时间
"localTime" : ISODate("2014-04-17T06:55:44.924Z"),--server的本地时间
"asserts" : {
"regular" : 0, --server启动以来抛出正规断言(assert 类似于异常处理的形式)总数目
"warning" : 0, --server启动以来抛出的告警总数目
"msg" : 0, --消息断言数目。服务器内部定义的良好字符串错误
"user" : 3, --用户断言数目。用户产生的错误,譬如:磁盘空间满;重复键。
"rollovers" : 0 --server启动以来,assert counters have rolled over的次数
},
"backgroundFlushing" : {
"flushes" : 26, --数据库刷新写到磁盘的次数
"total_ms" : 67, --数据库刷新数据到磁盘花费的微秒数
"average_ms" : 2.576923076923077,--执行单次刷新花费的平均微秒数
"last_ms" : 2, --最后一次执行完成刷新数据到磁盘花费的微秒数
"last_finished" : ISODate("2014-04-17T06:55:09.819Z")--当最后一次刷新数据完成时的时间戳
},
"connections" : {
"current" : 8, --当前活动连接量。连接到server的当前活跃连接数目
"available" : 72, --剩余空闲连接量。剩余的可用连接数目
"totalCreated" : NumberLong(754)
},
"cursors" : {
"totalOpen" : 0, --server为client保持的游标(cursor)总数
"clientCursors_size" : 0,
"timedOut" : 0 --server启动以来游标(cursor)超时的总数
},
"dur" : {
"commits" : 30, --上一间隔journal日志发生commit的次数
"journaledMB" : 0, --上一间隔写到journal日志的数据量(单位:MB)
"writeToDataFilesMB" : 0, --上一间隔journal日志写到数据文件的数据量(单位:MB)
"compression" : 0, --
"commitsInWriteLock" : 0, --写锁期间发生commits的次数
"earlyCommits" : 0, --schedule时间前请求commit的次数
"timeMs" : {
"dt" : 3064,
"prepLogBuffer" : 0, --准备写journal日志花费的时间
"writeToJournal" : 0, --写journal日志花费的实际时间
"writeToDataFiles" : 0, --journal日志后写数据文件花费的时间
"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, --此过程中所有的堆字节数目。仅适用于Linux
"page_faults" : 31058356 --此过程中访问内存中页面失败的总次数。仅适用于Linux
},
"globalLock" : {
"totalTime" : 1238418105923, --全局锁创建的时间(单位:ms 微秒)
"lockTime" : 75055831911, --全局锁保持的时间(单位:ms 微秒)
"ratio" : 0.06060621332329477, --lockTime和totalTime的比
"currentQueue" : {
"total" : 0, --等待全局锁的队列中操作数目
"readers" : 0, --等待读锁的队列中操作数目
"writers" : 0 --等待写锁的队列中操作数目
},
"activeClients" : {
"total" : 1, --连接到server的当前活动client数目
"readers" : 1, --执行读操作的当前活动client数目
"writers" : 0 --执行写操作的当前活动client数目
}
},
"indexCounters" : {
"accesses" : 196, --Btree索引的访问次数(索引被访问量)
"hits" : 196, --内存中的Btree页的数目。(索引命中量)
"misses" : 0, --内存中不存在的Btree也数目。(索引偏差量)(索引内存访问失败次数)
"resets" : 0, --索引计数器被重置为0的次数
"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"), --发送到数据库的数据总量(bytes)
"bytesOut" : 553137147925, --数据库发出的数据总量(bytes)
"numRequests" : 2475184328 --发送到数据库的请求量
},
"opcounters" : {
"insert" : 687531883, --server启动以来总的insert数据量
"query" : 711010343, --server启动以来总的query数据量
"update" : 0, --server启动以来总的update数据量
"delete" : 0, --server启动以来总的delete数据量
"getmore" : 6484, --server启动以来调用任何游标的getMore总次数
"command" : 1287537 --server启动以来执行其他命令的总次数
},
"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
}
{
"host" : "localhost.localdomain", --hostname
"version" : "2.4.9", --版本
"process" : "mongod", --进程名称
"pid" : 5099, --进程ID
"uptime" : 1595, --启动时间(单位:S)
"uptimeMillis" : NumberLong(1595123),
"uptimeEstimate" : 1577, --基于MongoDB内部粗粒度定时器的运行时间
"localTime" : ISODate("2014-04-17T06:55:44.924Z"),--server的本地时间
"asserts" : {
"regular" : 0, --server启动以来抛出正规断言(assert 类似于异常处理的形式)总数目
"warning" : 0, --server启动以来抛出的告警总数目
"msg" : 0, --消息断言数目。服务器内部定义的良好字符串错误
"user" : 3, --用户断言数目。用户产生的错误,譬如:磁盘空间满;重复键。
"rollovers" : 0 --server启动以来,assert counters have rolled over的次数
},
"backgroundFlushing" : {
"flushes" : 26, --数据库刷新写到磁盘的次数
"total_ms" : 67, --数据库刷新数据到磁盘花费的微秒数
"average_ms" : 2.576923076923077,--执行单次刷新花费的平均微秒数
"last_ms" : 2, --最后一次执行完成刷新数据到磁盘花费的微秒数
"last_finished" : ISODate("2014-04-17T06:55:09.819Z")--当最后一次刷新数据完成时的时间戳
},
"connections" : {
"current" : 8, --当前活动连接量。连接到server的当前活跃连接数目
"available" : 72, --剩余空闲连接量。剩余的可用连接数目
"totalCreated" : NumberLong(754)
},
"cursors" : {
"totalOpen" : 0, --server为client保持的游标(cursor)总数
"clientCursors_size" : 0,
"timedOut" : 0 --server启动以来游标(cursor)超时的总数
},
"dur" : {
"commits" : 30, --上一间隔journal日志发生commit的次数
"journaledMB" : 0, --上一间隔写到journal日志的数据量(单位:MB)
"writeToDataFilesMB" : 0, --上一间隔journal日志写到数据文件的数据量(单位:MB)
"compression" : 0, --
"commitsInWriteLock" : 0, --写锁期间发生commits的次数
"earlyCommits" : 0, --schedule时间前请求commit的次数
"timeMs" : {
"dt" : 3064,
"prepLogBuffer" : 0, --准备写journal日志花费的时间
"writeToJournal" : 0, --写journal日志花费的实际时间
"writeToDataFiles" : 0, --journal日志后写数据文件花费的时间
"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, --此过程中所有的堆字节数目。仅适用于Linux
"page_faults" : 31058356 --此过程中访问内存中页面失败的总次数。仅适用于Linux
},
"globalLock" : {
"totalTime" : 1238418105923, --全局锁创建的时间(单位:ms 微秒)
"lockTime" : 75055831911, --全局锁保持的时间(单位:ms 微秒)
"ratio" : 0.06060621332329477, --lockTime和totalTime的比
"currentQueue" : {
"total" : 0, --等待全局锁的队列中操作数目
"readers" : 0, --等待读锁的队列中操作数目
"writers" : 0 --等待写锁的队列中操作数目
},
"activeClients" : {
"total" : 1, --连接到server的当前活动client数目
"readers" : 1, --执行读操作的当前活动client数目
"writers" : 0 --执行写操作的当前活动client数目
}
},
"indexCounters" : {
"accesses" : 196, --Btree索引的访问次数(索引被访问量)
"hits" : 196, --内存中的Btree页的数目。(索引命中量)
"misses" : 0, --内存中不存在的Btree也数目。(索引偏差量)(索引内存访问失败次数)
"resets" : 0, --索引计数器被重置为0的次数
"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"), --发送到数据库的数据总量(bytes)
"bytesOut" : 553137147925, --数据库发出的数据总量(bytes)
"numRequests" : 2475184328 --发送到数据库的请求量
},
"opcounters" : {
"insert" : 687531883, --server启动以来总的insert数据量
"query" : 711010343, --server启动以来总的query数据量
"update" : 0, --server启动以来总的update数据量
"delete" : 0, --server启动以来总的delete数据量
"getmore" : 6484, --server启动以来调用任何游标的getMore总次数
"command" : 1287537 --server启动以来执行其他命令的总次数
},
"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
}
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