db.serverstatus

{
	"host" : "host",
	"version" : "3.2.22",
	"process" : "mongod",
	"uptime" : 105004,
	"uptimeMillis" : NumberLong(105003296),
	"uptimeEstimate" : 96126,
	"localTime" : ISODate("2019-05-15T21:29:20.221Z"),
	"asserts" : {
		"regular" : 0,
		"warning" : 0,
		"msg" : 1,
		"user" : 0,
		"rollovers" : 0
	},
	"connections" : {
		"current" : 27,
		"available" : 799972,
		"totalCreated" : NumberLong(37503)
	},
	"extra_info" : {
		"note" : "fields vary by platform",
		"heap_usage_bytes" : -862056608,
		"page_faults" : 1904
	},
	"globalLock" : {
		"totalTime" : NumberLong("105003288000"),
		"currentQueue" : {
			"total" : 1,
			"readers" : 1,
			"writers" : 0
		},
		"activeClients" : {
			"total" : 58,
			"readers" : 0,
			"writers" : 0
		}
	},
	"locks" : {
		"Global" : {
			"acquireCount" : {
				"r" : NumberLong("15406955017"),
				"w" : NumberLong(603672),
				"R" : NumberLong(379),
				"W" : NumberLong(528)
			},
			"acquireWaitCount" : {
				"r" : NumberLong(437),
				"w" : NumberLong(1),
				"W" : NumberLong(302)
			},
			"timeAcquiringMicros" : {
				"r" : NumberLong("3243066999"),
				"w" : NumberLong(163989926),
				"W" : NumberLong(45547363)
			}
		},
		"Database" : {
			"acquireCount" : {
				"r" : NumberLong("7703140646"),
				"w" : NumberLong(9331),
				"R" : NumberLong(35408),
				"W" : NumberLong(594341)
			},
			"acquireWaitCount" : {
				"r" : NumberLong(4391),
				"w" : NumberLong(68),
				"R" : NumberLong(2),
				"W" : NumberLong(284)
			},
			"timeAcquiringMicros" : {
				"r" : NumberLong("127227277724"),
				"w" : NumberLong(269412445),
				"R" : NumberLong(26386385),
				"W" : NumberLong("2469324771")
			}
		},
		"Collection" : {
			"acquireCount" : {
				"r" : NumberLong("8536539842"),
				"w" : NumberLong(5095),
				"W" : NumberLong(444)
			}
		},
		"Metadata" : {
			"acquireCount" : {
				"w" : NumberLong(4284)
			}
		},
		"oplog" : {
			"acquireCount" : {
				"r" : NumberLong(168123),
				"w" : NumberLong(4290)
			}
		}
	},
	"network" : {
		"bytesIn" : NumberLong(167145814),
		"bytesOut" : NumberLong(1037913374),
		"numRequests" : NumberLong(430357)
	},
	"opcounters" : {
		"insert" : 2675,
		"query" : 57870,
		"update" : 1340,
		"delete" : 1,
		"getmore" : 19754,
		"command" : 348740
	},
	"opcountersRepl" : {
		"insert" : 704,
		"query" : 0,
		"update" : 294,
		"delete" : 0,
		"getmore" : 0,
		"command" : 0
	},
	"repl" : {
		"hosts" : [
			"host",
			"host:port"
		],
		"arbiters" : [
			"host:port"
		],
		"setName" : "rsHost",
		"setVersion" : 3,
		"ismaster" : true,
		"secondary" : false,
		"primary" : "host:27017",
		"me" : "host:27017",
		"electionId" : ObjectId("7fffffff000000000000002f"),
		"rbid" : 412034781
	},
	"storageEngine" : {
		"name" : "wiredTiger",
		"supportsCommittedReads" : true,
		"persistent" : true
	},
	"tcmalloc" : {
		"generic" : {
			"current_allocated_bytes" : NumberLong("42087615552"),
			"heap_size" : NumberLong("43251875840")
		},
		"tcmalloc" : {
			"pageheap_free_bytes" : 693870592,
			"pageheap_unmapped_bytes" : 188399616,
			"max_total_thread_cache_bytes" : NumberLong(1073741824),
			"current_total_thread_cache_bytes" : 29350056,
			"total_free_bytes" : 281990000,
			"central_cache_free_bytes" : 238861672,
			"transfer_cache_free_bytes" : 13778272,
			"thread_cache_free_bytes" : 29350056,
			"aggressive_memory_decommit" : 0,
			"pageheap_committed_bytes" : NumberLong("43063476224"),
			"pageheap_scavenge_count" : 2384,
			"pageheap_commit_count" : 66920,
			"pageheap_total_commit_bytes" : NumberLong("45894721536"),
			"pageheap_decommit_count" : 2384,
			"pageheap_total_decommit_bytes" : NumberLong("2831245312"),
			"pageheap_reserve_count" : 39667,
			"pageheap_total_reserve_bytes" : NumberLong("43251875840"),
			"spinlock_total_delay_ns" : NumberLong(1493809308),
			"formattedString" : "------------------------------------------------\nMALLOC:    42087616080 (40137.9 MiB) Bytes in use by application\nMALLOC: +    693870592 (  661.7 MiB) Bytes in page heap freelist\nMALLOC: +    238861672 (  227.8 MiB) Bytes in central cache freelist\nMALLOC: +     13778272 (   13.1 MiB) Bytes in transfer cache freelist\nMALLOC: +     29349608 (   28.0 MiB) Bytes in thread cache freelists\nMALLOC: +    124891352 (  119.1 MiB) Bytes in malloc metadata\nMALLOC:   ------------\nMALLOC: =  43188367576 (41187.6 MiB) Actual memory used (physical + swap)\nMALLOC: +    188399616 (  179.7 MiB) Bytes released to OS (aka unmapped)\nMALLOC:   ------------\nMALLOC: =  43376767192 (41367.3 MiB) Virtual address space used\nMALLOC:\nMALLOC:        1449677              Spans in use\nMALLOC:             86              Thread heaps in use\nMALLOC:           8192              Tcmalloc page size\n------------------------------------------------\nCall ReleaseFreeMemory() to release freelist memory to the OS (via madvise()).\nBytes released to the OS take up virtual address space but no physical memory.\n"
		}
	},
	"wiredTiger" : {
		"uri" : "statistics:",
		"LSM" : {
			"application work units currently queued" : 0,
			"merge work units currently queued" : 0,
			"rows merged in an LSM tree" : 0,
			"sleep for LSM checkpoint throttle" : 0,
			"sleep for LSM merge throttle" : 0,
			"switch work units currently queued" : 0,
			"tree maintenance operations discarded" : 0,
			"tree maintenance operations executed" : 0,
			"tree maintenance operations scheduled" : 0,
			"tree queue hit maximum" : 0
		},
		"async" : {
			"current work queue length" : 0,
			"maximum work queue length" : 0,
			"number of allocation state races" : 0,
			"number of flush calls" : 0,
			"number of operation slots viewed for allocation" : 0,
			"number of times operation allocation failed" : 0,
			"number of times worker found no work" : 0,
			"total allocations" : 0,
			"total compact calls" : 0,
			"total insert calls" : 0,
			"total remove calls" : 0,
			"total search calls" : 0,
			"total update calls" : 0
		},
		"block-manager" : {
			"blocks pre-loaded" : 1105322,
			"blocks read" : 1596014,
			"blocks written" : 53951,
			"bytes read" : 22643757056,
			"bytes written" : 996798464,
			"bytes written for checkpoint" : 996573184,
			"mapped blocks read" : 0,
			"mapped bytes read" : 0
		},
		"cache" : {
			"application threads page read from disk to cache count" : 640420,
			"application threads page read from disk to cache time (usecs)" : 455026389,
			"application threads page write from cache to disk count" : 110,
			"application threads page write from cache to disk time (usecs)" : 6107,
			"bytes belonging to page images in the cache" : 18902097843,
			"bytes currently in the cache" : 19714912517,
			"bytes not belonging to page images in the cache" : 812814673,
			"bytes read into cache" : 18010035405,
			"bytes written from cache" : 800849123,
			"checkpoint blocked page eviction" : 0,
			"eviction calls to get a page" : 1663206,
			"eviction calls to get a page found queue empty" : 1661302,
			"eviction calls to get a page found queue empty after locking" : 0,
			"eviction currently operating in aggressive mode" : 0,
			"eviction empty score" : 0,
			"eviction server candidate queue empty when topping up" : 0,
			"eviction server candidate queue not empty when topping up" : 0,
			"eviction server evicting pages" : 0,
			"eviction server slept, because we did not make progress with eviction" : 0,
			"eviction server unable to reach eviction goal" : 0,
			"eviction state" : 16,
			"eviction walks abandoned" : 0,
			"eviction worker thread active" : 0,
			"eviction worker thread created" : 0,
			"eviction worker thread evicting pages" : 0,
			"eviction worker thread removed" : 0,
			"eviction worker thread stable number" : 0,
			"failed eviction of pages that exceeded the in-memory maximum" : 992,
			"files with active eviction walks" : 0,
			"files with new eviction walks started" : 0,
			"force re-tuning of eviction workers once in a while" : 0,
			"hazard pointer blocked page eviction" : 3,
			"hazard pointer check calls" : 6979,
			"hazard pointer check entries walked" : 20912,
			"hazard pointer maximum array length" : 2,
			"in-memory page passed criteria to be split" : 38,
			"in-memory page splits" : 19,
			"internal pages evicted" : 4960,
			"internal pages split during eviction" : 0,
			"leaf pages split during eviction" : 0,
			"lookaside table insert calls" : 0,
			"lookaside table remove calls" : 0,
			"maximum bytes configured" : 34359738368,
			"maximum page size at eviction" : 0,
			"modified pages evicted" : 112,
			"modified pages evicted by application threads" : 0,
			"overflow pages read into cache" : 0,
			"overflow values cached in memory" : 0,
			"page split during eviction deepened the tree" : 0,
			"page written requiring lookaside records" : 0,
			"pages currently held in the cache" : 1279519,
			"pages evicted because they exceeded the in-memory maximum" : 19,
			"pages evicted because they had chains of deleted items" : 5962,
			"pages evicted by application threads" : 0,
			"pages queued for eviction" : 0,
			"pages queued for urgent eviction" : 0,
			"pages queued for urgent eviction during walk" : 0,
			"pages read into cache" : 1293740,
			"pages read into cache requiring lookaside entries" : 0,
			"pages requested from the cache" : 4553738465,
			"pages seen by eviction walk" : 0,
			"pages selected for eviction unable to be evicted" : 998,
			"pages walked for eviction" : 0,
			"pages written from cache" : 43794,
			"pages written requiring in-memory restoration" : 0,
			"percentage overhead" : 8,
			"tracked bytes belonging to internal pages in the cache" : 171168780,
			"tracked bytes belonging to leaf pages in the cache" : 19543743737,
			"tracked dirty bytes in the cache" : 2700342,
			"tracked dirty pages in the cache" : 7,
			"unmodified pages evicted" : 5960
		},
		"connection" : {
			"auto adjusting condition resets" : 3567,
			"auto adjusting condition wait calls" : 576687,
			"detected system time went backwards" : 0,
			"files currently open" : 554148,
			"memory allocations" : 1951712030,
			"memory frees" : 1924992304,
			"memory re-allocations" : 1653531,
			"pthread mutex condition wait calls" : 3468753,
			"pthread mutex shared lock read-lock calls" : 927479405,
			"pthread mutex shared lock write-lock calls" : 11084223,
			"total fsync I/Os" : 15263,
			"total read I/Os" : 2193849,
			"total write I/Os" : 63681
		},
		"cursor" : {
			"cursor create calls" : 1292213,
			"cursor insert calls" : 621880,
			"cursor next calls" : 6879117,
			"cursor prev calls" : 593070,
			"cursor remove calls" : 417,
			"cursor reset calls" : 2112371058,
			"cursor restarted searches" : 115,
			"cursor search calls" : 2115626327,
			"cursor search near calls" : 2890,
			"cursor update calls" : 0,
			"truncate calls" : 3
		},
		"data-handle" : {
			"connection data handles currently active" : 596380,
			"connection sweep candidate became referenced" : 1,
			"connection sweep dhandles closed" : 5368,
			"connection sweep dhandles removed from hash list" : 3905,
			"connection sweep time-of-death sets" : 606220,
			"connection sweeps" : 9887,
			"session dhandles swept" : 4749991,
			"session sweep attempts" : 10560
		},
		"lock" : {
			"checkpoint lock acquisitions" : 516,
			"checkpoint lock application thread wait time (usecs)" : 0,
			"checkpoint lock internal thread wait time (usecs)" : 138,
			"handle-list lock eviction thread wait time (usecs)" : 806758,
			"metadata lock acquisitions" : 516,
			"metadata lock application thread wait time (usecs)" : 0,
			"metadata lock internal thread wait time (usecs)" : 56,
			"schema lock acquisitions" : 597827,
			"schema lock application thread wait time (usecs)" : 76288564092,
			"schema lock internal thread wait time (usecs)" : 360335,
			"table lock acquisitions" : 0,
			"table lock application thread time waiting for the table lock (usecs)" : 0,
			"table lock internal thread time waiting for the table lock (usecs)" : 0
		},
		"log" : {
			"busy returns attempting to switch slots" : 10,
			"consolidated slot closures" : 7899,
			"consolidated slot join active slot closed" : 1,
			"consolidated slot join races" : 0,
			"consolidated slot join transitions" : 7899,
			"consolidated slot joins" : 14123,
			"consolidated slot transitions unable to find free slot" : 0,
			"consolidated slot unbuffered writes" : 557,
			"log bytes of payload data" : 288925114,
			"log bytes written" : 289844224,
			"log files manually zero-filled" : 0,
			"log flush operations" : 1044986,
			"log force write operations" : 1159631,
			"log force write operations skipped" : 1154148,
			"log records compressed" : 6481,
			"log records not compressed" : 5299,
			"log records too small to compress" : 2343,
			"log release advances write LSN" : 1858,
			"log scan operations" : 3,
			"log scan records requiring two reads" : 28,
			"log server thread advances write LSN" : 6041,
			"log server thread write LSN walk skipped" : 184077,
			"log sync operations" : 7283,
			"log sync time duration (usecs)" : 59307227,
			"log sync_dir operations" : 3,
			"log sync_dir time duration (usecs)" : 14021,
			"log write operations" : 14123,
			"logging bytes consolidated" : 289843840,
			"maximum log file size" : 104857600,
			"number of pre-allocated log files to create" : 2,
			"pre-allocated log files not ready and missed" : 1,
			"pre-allocated log files prepared" : 4,
			"pre-allocated log files used" : 2,
			"records processed by log scan" : 43,
			"total in-memory size of compressed records" : 90170658,
			"total log buffer size" : 33554432,
			"total size of compressed records" : 31885048,
			"written slots coalesced" : 0,
			"yields waiting for previous log file close" : 0
		},
		"reconciliation" : {
			"fast-path pages deleted" : 948,
			"page reconciliation calls" : 41990,
			"page reconciliation calls for eviction" : 57,
			"pages deleted" : 12,
			"split bytes currently awaiting free" : 0,
			"split objects currently awaiting free" : 0
		},
		"session" : {
			"open cursor count" : 4627,
			"open session count" : 84,
			"table alter failed calls" : 0,
			"table alter successful calls" : 0,
			"table alter unchanged and skipped" : 0,
			"table compact failed calls" : 0,
			"table compact successful calls" : 0,
			"table create failed calls" : 0,
			"table create successful calls" : 1246,
			"table drop failed calls" : 0,
			"table drop successful calls" : 118,
			"table rebalance failed calls" : 0,
			"table rebalance successful calls" : 0,
			"table rename failed calls" : 0,
			"table rename successful calls" : 0,
			"table salvage failed calls" : 0,
			"table salvage successful calls" : 0,
			"table truncate failed calls" : 0,
			"table truncate successful calls" : 3,
			"table verify failed calls" : 0,
			"table verify successful calls" : 0
		},
		"thread-state" : {
			"active filesystem fsync calls" : 0,
			"active filesystem read calls" : 0,
			"active filesystem write calls" : 0
		},
		"thread-yield" : {
			"application thread time evicting (usecs)" : 0,
			"application thread time waiting for cache (usecs)" : 0,
			"page acquire busy blocked" : 0,
			"page acquire eviction blocked" : 0,
			"page acquire locked blocked" : 2,
			"page acquire read blocked" : 98,
			"page acquire time sleeping (usecs)" : 119000
		},
		"transaction" : {
			"number of named snapshots created" : 0,
			"number of named snapshots dropped" : 0,
			"transaction begins" : 253222,
			"transaction checkpoint currently running" : 0,
			"transaction checkpoint generation" : 516,
			"transaction checkpoint max time (msecs)" : 197630,
			"transaction checkpoint min time (msecs)" : 102,
			"transaction checkpoint most recent time (msecs)" : 123746,
			"transaction checkpoint scrub dirty target" : 0,
			"transaction checkpoint scrub time (msecs)" : 0,
			"transaction checkpoint total time (msecs)" : 56280456,
			"transaction checkpoints" : 516,
			"transaction checkpoints skipped because database was clean" : 293,
			"transaction failures due to cache overflow" : 0,
			"transaction fsync calls for checkpoint after allocating the transaction ID" : 516,
			"transaction fsync duration for checkpoint after allocating the transaction ID (usecs)" : 115839,
			"transaction range of IDs currently pinned" : 0,
			"transaction range of IDs currently pinned by a checkpoint" : 0,
			"transaction range of IDs currently pinned by named snapshots" : 0,
			"transaction sync calls" : 0,
			"transactions committed" : 7924,
			"transactions rolled back" : 245307
		},
		"concurrentTransactions" : {
			"write" : {
				"out" : 0,
				"available" : 128,
				"totalTickets" : 128
			},
			"read" : {
				"out" : 0,
				"available" : 128,
				"totalTickets" : 128
			}
		}
	},
	"writeBacksQueued" : false,
	"mem" : {
		"bits" : 64,
		"resident" : 40769,
		"virtual" : 42004,
		"supported" : true,
		"mapped" : 0,
		"mappedWithJournal" : 0
	},
	"metrics" : {
		"commands" : {
			"_isSelf" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(1)
			},
			"buildInfo" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(27)
			},
			"collStats" : {
				"failed" : NumberLong(2),
				"total" : NumberLong(7)
			},
			"count" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(1940)
			},
			"create" : {
				"failed" : NumberLong(1),
				"total" : NumberLong(5)
			},
			"createIndexes" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(68)
			},
			"currentOp" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(140)
			},
			"dbStats" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(35381)
			},
			"delete" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(1)
			},
			"drop" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(59)
			},
			"find" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(57867)
			},
			"getLog" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(24)
			},
			"getMore" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(19754)
			},
			"getnonce" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(37468)
			},
			"insert" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(2675)
			},
			"isMaster" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(102525)
			},
			"listCollections" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(24)
			},
			"listDatabases" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(3)
			},
			"listIndexes" : {
				"failed" : NumberLong(2),
				"total" : NumberLong(43553)
			},
			"logRotate" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(1)
			},
			"ping" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(47122)
			},
			"replSetGetRBID" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(2)
			},
			"replSetGetStatus" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(714)
			},
			"replSetHeartbeat" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(59577)
			},
			"replSetUpdatePosition" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(20007)
			},
			"serverStatus" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(66)
			},
			"top" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(1)
			},
			"update" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(1340)
			},
			"usersInfo" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(1)
			},
			"whatsmyuri" : {
				"failed" : NumberLong(0),
				"total" : NumberLong(24)
			}
		},
		"cursor" : {
			"timedOut" : NumberLong(0),
			"open" : {
				"noTimeout" : NumberLong(0),
				"pinned" : NumberLong(1),
				"total" : NumberLong(1)
			}
		},
		"document" : {
			"deleted" : NumberLong(1),
			"inserted" : NumberLong(5346),
			"returned" : NumberLong(4303538),
			"updated" : NumberLong(1340)
		},
		"getLastError" : {
			"wtime" : {
				"num" : 0,
				"totalMillis" : 0
			},
			"wtimeouts" : NumberLong(0)
		},
		"operation" : {
			"fastmod" : NumberLong(0),
			"idhack" : NumberLong(56076),
			"scanAndOrder" : NumberLong(0),
			"writeConflicts" : NumberLong(27)
		},
		"queryExecutor" : {
			"scanned" : NumberLong(58792),
			"scannedObjects" : NumberLong(63097)
		},
		"record" : {
			"moves" : NumberLong(0)
		},
		"repl" : {
			"executor" : {
				"counters" : {
					"eventCreated" : 6,
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