> db.serverStatus() { "host" : "wificonnect", "version" : "3.0.15", "process" : "mongod", "pid" : NumberLong(2236), "uptime" : 519526, "uptimeMillis" : NumberLong(519525228), "uptimeEstimate" : 512644, "localTime" : ISODate("2018-05-22T11:35:28.122Z"), "asserts" : { "regular" : 0, "warning" : 21, "msg" : 0, "user" : 0, "rollovers" : 0 }, "connections" : { "current" : 12, "available" : 95988, "totalCreated" : NumberLong(781910) }, "cursors" : { "note" : "deprecated, use server status metrics", "clientCursors_size" : 0, "totalOpen" : 0, "pinned" : 0, "totalNoTimeout" : 0, "timedOut" : 0 }, "extra_info" : { "note" : "fields vary by platform", "heap_usage_bytes" : -110681992, "page_faults" : 25 }, "globalLock" : { "totalTime" : NumberLong("519525269000"), "currentQueue" : { "total" : 0, "readers" : 0, "writers" : 0 }, "activeClients" : { "total" : 17, "readers" : 0, "writers" : 0 } }, "locks" : { "Global" : { "acquireCount" : { "r" : NumberLong("8476194962"), "w" : NumberLong(12054064), "W" : NumberLong(223470) }, "acquireWaitCount" : { "r" : NumberLong(213423), "w" : NumberLong(90833), "W" : NumberLong(65743) }, "timeAcquiringMicros" : { "r" : NumberLong("245865691427"), "w" : NumberLong("111761319999"), "W" : NumberLong("2648940530") } }, "Database" : { "acquireCount" : { "r" : NumberLong("4231231067"), "w" : NumberLong(10969330), "R" : NumberLong(727647), "W" : NumberLong(1324146) }, "acquireWaitCount" : { "r" : NumberLong(135461), "w" : NumberLong(62581), "R" : NumberLong(14524), "W" : NumberLong(100210) }, "timeAcquiringMicros" : { "r" : NumberLong("14856607074"), "w" : NumberLong("2258040987"), "R" : NumberLong(407290523), "W" : NumberLong(1002859981) } }, "Collection" : { "acquireCount" : { "r" : NumberLong("4519740874"), "w" : NumberLong(10969330), "W" : NumberLong(241143) } } }, "network" : { "bytesIn" : NumberLong(1155064065), "bytesOut" : NumberLong("10062647459"), "numRequests" : NumberLong(3449740) }, "opcounters" : { "insert" : 35973, "query" : 531795, "update" : 634536, "delete" : 107818, "getmore" : 28899, "command" : 2828758 }, "opcountersRepl" : { "insert" : 0, "query" : 0, "update" : 0, "delete" : 0, "getmore" : 0, "command" : 0 }, "storageEngine" : { "name" : "wiredTiger" }, "wiredTiger" : { "uri" : "statistics:", "LSM" : { "sleep for LSM checkpoint throttle" : 0, "sleep for LSM merge throttle" : 0, "rows merged in an LSM tree" : 0, "application work units currently queued" : 0, "merge work units currently queued" : 0, "tree queue hit maximum" : 0, "switch work units currently queued" : 0, "tree maintenance operations scheduled" : 0, "tree maintenance operations discarded" : 0, "tree maintenance operations executed" : 0 }, "async" : { "number of allocation state races" : 0, "number of operation slots viewed for allocation" : 0, "current work queue length" : 0, "number of flush calls" : 0, "number of times operation allocation failed" : 0, "maximum work queue length" : 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" : { "mapped bytes read" : 0, "bytes read" : 8452759552, "bytes written" : 23848480768, "mapped blocks read" : 0, "blocks pre-loaded" : 421579, "blocks read" : 1381385, "blocks written" : 2816775 }, "cache" : { "tracked dirty bytes in the cache" : 0, "tracked bytes belonging to internal pages in the cache" : 168236481, "bytes currently in the cache" : 9625642570, "tracked bytes belonging to leaf pages in the cache" : 19159116351, "maximum bytes configured" : 19327352832, "tracked bytes belonging to overflow pages in the cache" : 0, "bytes read into cache" : NumberLong("127581893474843"), "bytes written from cache" : 17343996483, "pages evicted by application threads" : 0, "checkpoint blocked page eviction" : 0, "unmodified pages evicted" : 144, "page split during eviction deepened the tree" : 0, "modified pages evicted" : 115744, "pages selected for eviction unable to be evicted" : 0, "pages evicted because they exceeded the in-memory maximum" : 24, "pages evicted because they had chains of deleted items" : 12, "failed eviction of pages that exceeded the in-memory maximum" : 0, "hazard pointer blocked page eviction" : 0, "internal pages evicted" : 0, "maximum page size at eviction" : 10488152, "eviction server candidate queue empty when topping up" : 19, "eviction server candidate queue not empty when topping up" : 0, "eviction server evicting pages" : 19, "eviction server populating queue, but not evicting pages" : 18, "eviction server unable to reach eviction goal" : 0, "pages split during eviction" : 3985, "pages walked for eviction" : 8040662, "eviction worker thread evicting pages" : 904, "in-memory page splits" : 19, "percentage overhead" : 8, "tracked dirty pages in the cache" : 0, "pages currently held in the cache" : 380355, "pages read into cache" : 827379, "pages written from cache" : 1960859 }, "connection" : { "pthread mutex condition wait calls" : 147053214, "files currently open" : 79014, "memory allocations" : 3223442289, "memory frees" : 3208331573, "memory re-allocations" : 4876626, "total read I/Os" : 2100369, "pthread mutex shared lock read-lock calls" : 1614769420, "pthread mutex shared lock write-lock calls" : 3279001, "total write I/Os" : 17432521 }, "cursor" : { "cursor create calls" : 549784910, "cursor insert calls" : 22335894, "cursor next calls" : 241517523, "cursor prev calls" : 676708, "cursor remove calls" : 1835039, "cursor reset calls" : 905858188, "cursor search calls" : 1416840343, "cursor search near calls" : 26006340, "cursor update calls" : 0 }, "data-handle" : { "connection data handles currently active" : 79011, "session dhandles swept" : 169816, "session sweep attempts" : 1277601, "connection sweep dhandles closed" : 446190, "connection sweep candidate became referenced" : 0, "connection sweep dhandles removed from hash list" : 887667, "connection sweep time-of-death sets" : 1814794, "connection sweeps" : 51840 }, "log" : { "total log buffer size" : 33554432, "log bytes of payload data" : 3106532130, "log bytes written" : 3848953216, "yields waiting for previous log file close" : 0, "total size of compressed records" : 2384491250, "total in-memory size of compressed records" : 3866169169, "log records too small to compress" : 2488689, "log records not compressed" : 2667170, "log records compressed" : 9079886, "log flush operations" : 0, "maximum log file size" : 104857600, "pre-allocated log files prepared" : 37, "number of pre-allocated log files to create" : 1, "pre-allocated log files used" : 36, "log read operations" : 0, "log release advances write LSN" : 3825169, "records processed by log scan" : 11, "log scan records requiring two reads" : 2, "log scan operations" : 5, "consolidated slot closures" : 14125793, "logging bytes consolidated" : 3837714560, "consolidated slot joins" : 14216540, "consolidated slot join races" : 7209, "slots selected for switching that were unavailable" : 26660, "record size exceeded maximum" : 0, "failed to find a slot large enough for record" : 0, "consolidated slot join transitions" : 1132, "log sync operations" : 3816073, "log sync_dir operations" : 37, "log server thread advances write LSN" : 10322791, "log write operations" : 14235776 }, "reconciliation" : { "page reconciliation calls" : 1849656, "page reconciliation calls for eviction" : 57497, "split bytes currently awaiting free" : 952, "split objects currently awaiting free" : 14 }, "session" : { "open cursor count" : 19520, "open session count" : 27 }, "thread-yield" : { "page acquire busy blocked" : 0, "page acquire eviction blocked" : 1, "page acquire locked blocked" : 0, "page acquire read blocked" : 9650, "page acquire time sleeping (usecs)" : 196056 }, "transaction" : { "transaction begins" : 47594793, "transaction checkpoints" : 8335, "transaction checkpoint generation" : 8335, "transaction checkpoint currently running" : 0, "transaction checkpoint max time (msecs)" : 423103, "transaction checkpoint min time (msecs)" : 177, "transaction checkpoint most recent time (msecs)" : 989, "transaction checkpoint total time (msecs)" : 14087236, "transactions committed" : 10444358, "transaction failures due to cache overflow" : 0, "transaction range of IDs currently pinned by a checkpoint" : 0, "transaction range of IDs currently pinned" : 0, "transactions rolled back" : 37148495 }, "concurrentTransactions" : { "write" : { "out" : 0, "available" : 128, "totalTickets" : 128 }, "read" : { "out" : 1, "available" : 127, "totalTickets" : 128 } } }, "writeBacksQueued" : false, "mem" : { "bits" : 64, "resident" : 12558, "virtual" : 18358, "supported" : true, "mapped" : 0, "mappedWithJournal" : 0 }, "metrics" : { "commands" : { "aggregate" : { "failed" : NumberLong(0), "total" : NumberLong(21007) }, "count" : { "failed" : NumberLong(0), "total" : NumberLong(504646) }, "createIndexes" : { "failed" : NumberLong(0), "total" : NumberLong(134204) }, "delete" : { "failed" : NumberLong(0), "total" : NumberLong(107818) }, "drop" : { "failed" : NumberLong(399370), "total" : NumberLong(501045) }, "getLog" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "getnonce" : { "failed" : NumberLong(0), "total" : NumberLong(55075) }, "insert" : { "failed" : NumberLong(0), "total" : NumberLong(35973) }, "isMaster" : { "failed" : NumberLong(0), "total" : NumberLong(783235) }, "listCollections" : { "failed" : NumberLong(0), "total" : NumberLong(531224) }, "listDatabases" : { "failed" : NumberLong(0), "total" : NumberLong(3) }, "listIndexes" : { "failed" : NumberLong(0), "total" : NumberLong(46370) }, "mapReduce" : { "failed" : NumberLong(0), "total" : NumberLong(99948) }, "ping" : { "failed" : NumberLong(0), "total" : NumberLong(55032) }, "renameCollection" : { "failed" : NumberLong(0), "total" : NumberLong(60010) }, "repairDatabase" : { "failed" : NumberLong(114), "total" : NumberLong(3498) }, "replSetGetStatus" : { "failed" : NumberLong(9), "total" : NumberLong(9) }, "serverStatus" : { "failed" : NumberLong(0), "total" : NumberLong(16721) }, "update" : { "failed" : NumberLong(0), "total" : NumberLong(634536) }, "whatsmyuri" : { "failed" : NumberLong(0), "total" : NumberLong(16730) } }, "cursor" : { "timedOut" : NumberLong(0), "open" : { "noTimeout" : NumberLong(0), "pinned" : NumberLong(0), "total" : NumberLong(0) } }, "document" : { "deleted" : NumberLong(62846), "inserted" : NumberLong(35973), "returned" : NumberLong(30955486), "updated" : NumberLong(6579872) }, "getLastError" : { "wtime" : { "num" : 0, "totalMillis" : 0 }, "wtimeouts" : NumberLong(0) }, "operation" : { "fastmod" : NumberLong(0), "idhack" : NumberLong(0), "scanAndOrder" : NumberLong(14), "writeConflicts" : NumberLong(33) }, "queryExecutor" : { "scanned" : NumberLong(12100755), "scannedObjects" : NumberLong(73310249) }, "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) }, "preload" : { "docs" : { "num" : 0, "totalMillis" : 0 }, "indexes" : { "num" : 0, "totalMillis" : 0 } } }, "storage" : { "freelist" : { "search" : { "bucketExhausted" : NumberLong(0), "requests" : NumberLong(0), "scanned" : NumberLong(0) } } }, "ttl" : { "deletedDocuments" : NumberLong(0), "passes" : NumberLong(8395) } }, "ok" : 1 }