db.serverStatus() { "host" : "asya2", "version" : "3.0.0-rc8-pre-", "process" : "mongod", "pid" : NumberLong(17507), "uptime" : 940, "uptimeMillis" : NumberLong(939650), "uptimeEstimate" : 929, "localTime" : ISODate("2015-01-29T17:51:36.410Z"), "asserts" : { "regular" : 0, "warning" : 0, "msg" : 0, "user" : 0, "rollovers" : 0 }, "connections" : { "current" : 26, "available" : 793, "totalCreated" : NumberLong(32) }, "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" : -1886454768, "page_faults" : 0 }, "globalLock" : { "totalTime" : NumberLong(939651000), "currentQueue" : { "total" : 0, "readers" : 0, "writers" : 0 }, "activeClients" : { "total" : 35, "readers" : 1, "writers" : 25 } }, "locks" : { "Global" : { "acquireCount" : { "r" : NumberLong(1665), "w" : NumberLong(19404604), "R" : NumberLong(1), "W" : NumberLong(7) }, "acquireWaitCount" : { "r" : NumberLong(1), "w" : NumberLong(1), "R" : NumberLong(0), "W" : NumberLong(0) }, "timeAcquiringMicros" : { "r" : NumberLong(4699), "w" : NumberLong(12536), "R" : NumberLong(0), "W" : NumberLong(0) }, "deadlockCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) } }, "MMAPV1Journal" : { "acquireCount" : { "r" : NumberLong(3), "w" : NumberLong(8), "R" : NumberLong(0), "W" : NumberLong(0) }, "acquireWaitCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "timeAcquiringMicros" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "deadlockCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) } }, "Database" : { "acquireCount" : { "r" : NumberLong(1662), "w" : NumberLong(19404590), "R" : NumberLong(3), "W" : NumberLong(14) }, "acquireWaitCount" : { "r" : NumberLong(0), "w" : NumberLong(12), "R" : NumberLong(0), "W" : NumberLong(2) }, "timeAcquiringMicros" : { "r" : NumberLong(0), "w" : NumberLong(39691), "R" : NumberLong(0), "W" : NumberLong(299) }, "deadlockCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) } }, "Collection" : { "acquireCount" : { "r" : NumberLong(1445), "w" : NumberLong(128453), "R" : NumberLong(0), "W" : NumberLong(0) }, "acquireWaitCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "timeAcquiringMicros" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "deadlockCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) } }, "Metadata" : { "acquireCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "acquireWaitCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "timeAcquiringMicros" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "deadlockCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) } }, "oplog" : { "acquireCount" : { "r" : NumberLong(241), "w" : NumberLong(19276138), "R" : NumberLong(0), "W" : NumberLong(0) }, "acquireWaitCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "timeAcquiringMicros" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) }, "deadlockCount" : { "r" : NumberLong(0), "w" : NumberLong(0), "R" : NumberLong(0), "W" : NumberLong(0) } } }, "network" : { "bytesIn" : 2911091840, "bytesOut" : 222834, "numRequests" : 128817 }, "opcounters" : { "insert" : 19264201, "query" : 1, "update" : 1, "delete" : 0, "getmore" : 0, "command" : 392 }, "opcountersRepl" : { "insert" : 0, "query" : 0, "update" : 0, "delete" : 0, "getmore" : 0, "command" : 0 }, "repl" : { "setName" : "ycsbTest", "setVersion" : 1, "ismaster" : true, "secondary" : false, "hosts" : [ "74.86.233.3:27017" ], "primary" : "74.86.233.3:27017", "me" : "74.86.233.3:27017", "electionId" : ObjectId("54ca6f7efedf22bca813a975"), "rbid" : 1220568396 }, "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" : 2257448960, "bytes written" : 12929687552, "mapped blocks read" : 0, "blocks pre-loaded" : 6, "blocks read" : 150793, "blocks written" : 913973 }, "cache" : { "tracked dirty bytes in the cache" : 1958185816, "bytes currently in the cache" : 1975918086, "maximum bytes configured" : 2147483648, "bytes read into cache" : 2974384361, "bytes written from cache" : 13669305223, "pages evicted by application threads" : 126716, "checkpoint blocked page eviction" : 839, "unmodified pages evicted" : 4167, "page split during eviction deepened the tree" : 0, "modified pages evicted" : 2756505, "pages selected for eviction unable to be evicted" : 12535983, "pages evicted because they exceeded the in-memory maximum" : 1046, "pages evicted because they had chains of deleted items" : 2658421, "failed eviction of pages that exceeded the in-memory maximum" : 15783, "hazard pointer blocked page eviction" : 28672, "internal pages evicted" : 0, "maximum page size at eviction" : 25635455, "eviction server candidate queue empty when topping up" : 15255, "eviction server candidate queue not empty when topping up" : 442370, "eviction server evicting pages" : 3118, "eviction server populating queue, but not evicting pages" : 457061, "eviction server unable to reach eviction goal" : 9, "pages split during eviction" : 8065, "pages walked for eviction" : 463856509, "eviction worker thread evicting pages" : 12522401, "in-memory page splits" : 821, "percentage overhead" : 8, "tracked dirty pages in the cache" : 29699, "pages currently held in the cache" : 30111, "pages read into cache" : 150689, "pages written from cache" : 913759 }, "connection" : { "pthread mutex condition wait calls" : 1211407, "files currently open" : 15, "memory allocations" : 180352725, "memory frees" : 153925037, "memory re-allocations" : 10515335, "total read I/Os" : 150834, "pthread mutex shared lock read-lock calls" : 3150, "pthread mutex shared lock write-lock calls" : 471, "total write I/Os" : 914035 }, "cursor" : { "cursor create calls" : 2558, "cursor insert calls" : 56025488, "cursor next calls" : 19621623, "cursor prev calls" : 12, "cursor remove calls" : 9908, "cursor reset calls" : 57414896, "cursor search calls" : 21687, "cursor search near calls" : 19818, "cursor update calls" : 0 }, "data-handle" : { "connection dhandles swept" : 8, "connection candidate referenced" : 295, "connection sweeps" : 93, "connection time-of-death sets" : 58, "session dhandles swept" : 58, "session sweep attempts" : 246 }, "log" : { "log buffer size increases" : 0, "total log buffer size" : 0, "log bytes of payload data" : 0, "log bytes written" : 0, "yields waiting for previous log file close" : 0, "total size of compressed records" : 0, "total in-memory size of compressed records" : 0, "log records too small to compress" : 0, "log records not compressed" : 0, "log records compressed" : 0, "maximum log file size" : 0, "pre-allocated log files prepared" : 0, "number of pre-allocated log files to create" : 0, "pre-allocated log files used" : 0, "log read operations" : 0, "records processed by log scan" : 0, "log scan records requiring two reads" : 0, "log scan operations" : 0, "consolidated slot closures" : 0, "logging bytes consolidated" : 0, "consolidated slot joins" : 0, "consolidated slot join races" : 0, "slots selected for switching that were unavailable" : 0, "record size exceeded maximum" : 0, "failed to find a slot large enough for record" : 0, "consolidated slot join transitions" : 0, "log sync operations" : 0, "log write operations" : 0 }, "reconciliation" : { "page reconciliation calls" : 15894324, "page reconciliation calls for eviction" : 15111489, "split bytes currently awaiting free" : 2937697, "split objects currently awaiting free" : 16 }, "session" : { "open cursor count" : 767, "open session count" : 194 }, "thread-yield" : { "page acquire busy blocked" : 309, "page acquire eviction blocked" : 1519112, "page acquire locked blocked" : 11073460, "page acquire read blocked" : 87, "page acquire time sleeping (usecs)" : 161941273 }, "transaction" : { "transaction begins" : 18659071, "transaction checkpoints" : 15, "transaction checkpoint currently running" : 0, "transaction checkpoint max time (msecs)" : 9902, "transaction checkpoint min time (msecs)" : 1, "transaction checkpoint most recent time (msecs)" : 6019, "transaction checkpoint total time (msecs)" : 81232, "transactions committed" : 19063695, "transaction failures due to cache overflow" : 0, "transaction range of IDs currently pinned" : 265826, "transactions rolled back" : 51 }, "concurrentTransactions" : { "write" : { "out" : 24, "available" : 104, "totalTickets" : 128 }, "read" : { "out" : 2, "available" : 254, "totalTickets" : 256 } } }, "writeBacksQueued" : false, "mem" : { "bits" : 64, "resident" : 2700, "virtual" : 3174, "supported" : true, "mapped" : 0 }, "metrics" : { "commands" : { "buildInfo" : { "failed" : NumberLong(0), "total" : NumberLong(187) }, "createUser" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "dropDatabase" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "getCmdLineOpts" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "getLastError" : { "failed" : NumberLong(0), "total" : NumberLong(2) }, "getLog" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "isMaster" : { "failed" : NumberLong(0), "total" : NumberLong(186) }, "listCollections" : { "failed" : NumberLong(0), "total" : NumberLong(2) }, "replSetGetStatus" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "replSetInitiate" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "serverStatus" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "setParameter" : { "failed" : NumberLong(0), "total" : NumberLong(1) }, "whatsmyuri" : { "failed" : NumberLong(0), "total" : NumberLong(7) } }, "cursor" : { "timedOut" : NumberLong(0), "open" : { "noTimeout" : NumberLong(0), "pinned" : NumberLong(0), "total" : NumberLong(0) } }, "document" : { "deleted" : NumberLong(0), "inserted" : NumberLong(19264201), "returned" : NumberLong(0), "updated" : NumberLong(1) }, "getLastError" : { "wtime" : { "num" : 1, "totalMillis" : 0 }, "wtimeouts" : NumberLong(0) }, "operation" : { "fastmod" : NumberLong(0), "idhack" : NumberLong(0), "scanAndOrder" : NumberLong(0), "writeConflicts" : NumberLong(0) }, "queryExecutor" : { "scanned" : NumberLong(0), "scannedObjects" : NumberLong(0) }, "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(1) }, "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(7) } }, "ok" : 1 }