mongos> db.serverStatus() { "host" : "ttp01", "version" : "4.2.6", "process" : "mongos", "pid" : NumberLong(28533), "uptime" : 916, "uptimeMillis" : NumberLong(915782), "uptimeEstimate" : NumberLong(915), "localTime" : ISODate("2020-07-30T00:22:39.070Z"), "asserts" : { "regular" : 0, "warning" : 0, "msg" : 0, "user" : 22, "rollovers" : 0 }, "connections" : { "current" : 44, "available" : 79956, "totalCreated" : 82, "active" : 1 }, "extra_info" : { "note" : "fields vary by platform", "user_time_us" : NumberLong(382050052), "system_time_us" : NumberLong(129581880), "maximum_resident_set_kb" : NumberLong(159324), "input_blocks" : NumberLong(2240), "output_blocks" : NumberLong(7088), "page_reclaims" : NumberLong(79543), "page_faults" : NumberLong(13), "voluntary_context_switches" : NumberLong(7648727), "involuntary_context_switches" : NumberLong(1377145) }, "logicalSessionRecordCache" : { "activeSessionsCount" : 1, "sessionsCollectionJobCount" : 4, "lastSessionsCollectionJobDurationMillis" : 5, "lastSessionsCollectionJobTimestamp" : ISODate("2020-07-30T00:22:25.362Z"), "lastSessionsCollectionJobEntriesRefreshed" : 0, "lastSessionsCollectionJobEntriesEnded" : 0, "lastSessionsCollectionJobCursorsClosed" : 0, "transactionReaperJobCount" : 4, "lastTransactionReaperJobDurationMillis" : 5, "lastTransactionReaperJobTimestamp" : ISODate("2020-07-30T00:22:25.362Z"), "lastTransactionReaperJobEntriesCleanedUp" : 0, "sessionCatalogSize" : 0 }, "network" : { "bytesIn" : NumberLong("6203373412"), "bytesOut" : NumberLong("16516894077"), "physicalBytesIn" : NumberLong("6203373412"), "physicalBytesOut" : NumberLong("16516894077"), "numRequests" : NumberLong(1896582), "compression" : { "snappy" : { "compressor" : { "bytesIn" : NumberLong("6859920525"), "bytesOut" : NumberLong(2063884717) }, "decompressor" : { "bytesIn" : NumberLong("5733404304"), "bytesOut" : NumberLong("17205055822") } }, "zstd" : { "compressor" : { "bytesIn" : NumberLong(0), "bytesOut" : NumberLong(0) }, "decompressor" : { "bytesIn" : NumberLong(0), "bytesOut" : NumberLong(0) } }, "zlib" : { "compressor" : { "bytesIn" : NumberLong(0), "bytesOut" : NumberLong(0) }, "decompressor" : { "bytesIn" : NumberLong(0), "bytesOut" : NumberLong(0) } } }, "serviceExecutorTaskStats" : { "executor" : "passthrough", "threadsRunning" : 44 } }, "opcounters" : { "insert" : NumberLong(646155), "query" : NumberLong(1052760), "update" : NumberLong(852885), "delete" : NumberLong(2), "getmore" : NumberLong(980), "command" : NumberLong(842843) }, "sharding" : { "configsvrConnectionString" : "configReplSet/tt-db-cfg1:27019,tt-db-cfg2:27019,tt-db-cfg3:27019", "lastSeenConfigServerOpTime" : { "ts" : Timestamp(1596068558, 3944), "t" : NumberLong(7) }, "maxChunkSizeInBytes" : NumberLong(67108864) }, "shardingStatistics" : { "catalogCache" : { "numDatabaseEntries" : NumberLong(2), "numCollectionEntries" : NumberLong(518), "countStaleConfigErrors" : NumberLong(577), "totalRefreshWaitTimeMicros" : NumberLong(8667178), "numActiveIncrementalRefreshes" : NumberLong(0), "countIncrementalRefreshesStarted" : NumberLong(581), "numActiveFullRefreshes" : NumberLong(0), "countFullRefreshesStarted" : NumberLong(23), "countFailedRefreshes" : NumberLong(0) } }, "tcmalloc" : { "generic" : { "current_allocated_bytes" : 82696384, "heap_size" : 146518016 }, "tcmalloc" : { "pageheap_free_bytes" : 32813056, "pageheap_unmapped_bytes" : 327680, "max_total_thread_cache_bytes" : 999292928, "current_total_thread_cache_bytes" : 26065720, "total_free_bytes" : 30680896, "central_cache_free_bytes" : 2481352, "transfer_cache_free_bytes" : 2133824, "thread_cache_free_bytes" : 26065720, "aggressive_memory_decommit" : 0, "pageheap_committed_bytes" : 146190336, "pageheap_scavenge_count" : 266, "pageheap_commit_count" : 1056, "pageheap_total_commit_bytes" : 337326080, "pageheap_decommit_count" : 266, "pageheap_total_decommit_bytes" : 191135744, "pageheap_reserve_count" : 36, "pageheap_total_reserve_bytes" : 146518016, "spinlock_total_delay_ns" : 80132208, "release_rate" : 1, "formattedString" : "------------------------------------------------\nMALLOC: 82696960 ( 78.9 MiB) Bytes in use by application\nMALLOC: + 32813056 ( 31.3 MiB) Bytes in page heap freelist\nMALLOC: + 2481352 ( 2.4 MiB) Bytes in central cache freelist\nMALLOC: + 2133824 ( 2.0 MiB) Bytes in transfer cache freelist\nMALLOC: + 26065144 ( 24.9 MiB) Bytes in thread cache freelists\nMALLOC: + 3407872 ( 3.2 MiB) Bytes in malloc metadata\nMALLOC: ------------\nMALLOC: = 149598208 ( 142.7 MiB) Actual memory used (physical + swap)\nMALLOC: + 327680 ( 0.3 MiB) Bytes released to OS (aka unmapped)\nMALLOC: ------------\nMALLOC: = 149925888 ( 143.0 MiB) Virtual address space used\nMALLOC:\nMALLOC: 12497 Spans in use\nMALLOC: 68 Thread heaps in use\nMALLOC: 4096 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" } }, "trafficRecording" : { "running" : false }, "transactions" : { "currentOpen" : NumberLong(0), "currentActive" : NumberLong(0), "currentInactive" : NumberLong(0), "totalStarted" : NumberLong(0), "totalCommitted" : NumberLong(0), "totalAborted" : NumberLong(0), "abortCause" : { }, "totalContactedParticipants" : NumberLong(0), "totalParticipantsAtCommit" : NumberLong(0), "totalRequestsTargeted" : NumberLong(0), "commitTypes" : { "noShards" : { "initiated" : NumberLong(0), "successful" : NumberLong(0), "successfulDurationMicros" : NumberLong(0) }, "singleShard" : { "initiated" : NumberLong(0), "successful" : NumberLong(0), "successfulDurationMicros" : NumberLong(0) }, "singleWriteShard" : { "initiated" : NumberLong(0), "successful" : NumberLong(0), "successfulDurationMicros" : NumberLong(0) }, "readOnly" : { "initiated" : NumberLong(0), "successful" : NumberLong(0), "successfulDurationMicros" : NumberLong(0) }, "twoPhaseCommit" : { "initiated" : NumberLong(0), "successful" : NumberLong(0), "successfulDurationMicros" : NumberLong(0) }, "recoverWithToken" : { "initiated" : NumberLong(0), "successful" : NumberLong(0), "successfulDurationMicros" : NumberLong(0) } } }, "transportSecurity" : { "1.0" : NumberLong(0), "1.1" : NumberLong(0), "1.2" : NumberLong(0), "1.3" : NumberLong(0), "unknown" : NumberLong(0) }, "mem" : { "bits" : 64, "resident" : 154, "virtual" : 510, "supported" : true }, "metrics" : { "cursor" : { "timedOut" : NumberLong(0), "open" : { "multiTarget" : NumberLong(0), "singleTarget" : NumberLong(0), "pinned" : NumberLong(0), "total" : NumberLong(0) } }, "aggStageCounters" : { "$_internalInhibitOptimization" : NumberLong(0), "$_internalSplitPipeline" : NumberLong(0), "$addFields" : NumberLong(0), "$bucket" : NumberLong(0), "$bucketAuto" : NumberLong(0), "$changeStream" : NumberLong(0), "$collStats" : NumberLong(0), "$count" : NumberLong(0), "$currentOp" : NumberLong(0), "$facet" : NumberLong(0), "$geoNear" : NumberLong(0), "$graphLookup" : NumberLong(0), "$group" : NumberLong(0), "$indexStats" : NumberLong(0), "$limit" : NumberLong(0), "$listLocalSessions" : NumberLong(0), "$listSessions" : NumberLong(0), "$lookup" : NumberLong(0), "$match" : NumberLong(2), "$merge" : NumberLong(0), "$mergeCursors" : NumberLong(0), "$out" : NumberLong(0), "$planCacheStats" : NumberLong(0), "$project" : NumberLong(1), "$redact" : NumberLong(0), "$replaceRoot" : NumberLong(0), "$replaceWith" : NumberLong(0), "$sample" : NumberLong(0), "$set" : NumberLong(0), "$skip" : NumberLong(0), "$sort" : NumberLong(0), "$sortByCount" : NumberLong(0), "$unset" : NumberLong(0), "$unwind" : NumberLong(0) }, "commands" : { "" : NumberLong(1), "aggregate" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "buildInfo" : { "failed" : NumberLong(0), "total" : NumberLong(74) }, "collStats" : { "failed" : NumberLong(0), "total" : NumberLong(14) }, "count" : { "failed" : NumberLong(0), "total" : NumberLong(11) }, "createIndexes" : { "failed" : NumberLong(0), "total" : NumberLong(33) }, "delete" : { "failed" : NumberLong(0), "total" : NumberLong(2) }, "drop" : { "failed" : NumberLong(0), "total" : NumberLong(3) }, "dropIndexes" : { "failed" : NumberLong(4), "total" : NumberLong(4) }, "getCmdLineOpts" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "getLog" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "insert" : { "failed" : NumberLong(0), "total" : NumberLong(157980) }, "isMaster" : { "failed" : NumberLong(0), "total" : NumberLong(189) }, "listCollections" : { "failed" : NumberLong(0), "total" : NumberLong(56) }, "replSetGetStatus" : { "failed" : NumberLong(1), "total" : NumberLong(1) }, "serverStatus" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "update" : { "failed" : NumberLong(0), "total" : NumberLong(684471) }, "whatsmyuri" : { "failed" : NumberLong(0), "total" : NumberLong(1) } }, "getLastError" : { "wtime" : { "num" : 0, "totalMillis" : 0 }, "wtimeouts" : NumberLong(0) }, "query" : { "planCacheTotalSizeEstimateBytes" : NumberLong(0), "updateOneOpStyleBroadcastWithExactIDCount" : NumberLong(0) } }, "ok" : 1, "operationTime" : Timestamp(1596068559, 380), "$clusterTime" : { "clusterTime" : Timestamp(1596068559, 380), "signature" : { "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="), "keyId" : NumberLong(0) } } }