Property

mongodb

Property Name Type Description Required
authentication boolean Yes
buildInfo object
listDatabases object
serverStatus object

↑ TopExample
{
    "authentication": false,
    "serverStatus": {
        "process": "mongod",
        "pid": 9197,
        "opcounters": {
            "getmore": 0,
            "insert": 259,
            "update": 527,
            "command": 23364,
            "query": 551,
            "delete": 5
        },
        "locks": {
            "Global": {
                "acquireCount": {
                    "r": 10511327,
                    "W": 18,
                    "w": 47289
                }
            },
            "Collection": {
                "acquireCount": {
                    "r": 3533905,
                    "w": 45373
                }
            },
            "Database": {
                "acquireCount": {
                    "R": 43,
                    "r": 3534115,
                    "W": 1926,
                    "w": 45363
                }
            }
        },
        "storageEngine": {
            "readOnly": false,
            "supportsCommittedReads": true,
            "name": "wiredTiger",
            "persistent": true
        },
        "globalLock": {
            "totalTime": 3395534393000,
            "currentQueue": {
                "total": 0,
                "writers": 0,
                "readers": 0
            },
            "activeClients": {
                "total": 11,
                "writers": 0,
                "readers": 0
            }
        },
        "extra_info": {
            "note": "fields vary by platform",
            "page_faults": 106
        },
        "uptime": 3395534,
        "network": {
            "serviceExecutorTaskStats": {
                "threadsRunning": 2,
                "executor": "passthrough"
            },
            "compression": {
                "snappy": {
                    "compressor": {
                        "bytesOut": 0,
                        "bytesIn": 0
                    },
                    "decompressor": {
                        "bytesOut": 0,
                        "bytesIn": 0
                    }
                }
            },
            "physicalBytesIn": 1723290,
            "bytesOut": 5541673,
            "numRequests": 23287,
            "physicalBytesOut": 5541673,
            "bytesIn": 1723290
        },
        "uptimeMillis": 3395534394,
        "version": "3.6.2",
        "localTime": "2018-03-31T08:21:09.777000",
        "mem": {
            "resident": 87,
            "supported": true,
            "virtual": 974,
            "mappedWithJournal": 0,
            "mapped": 0,
            "bits": 64
        },
        "connections": {
            "current": 2,
            "available": 51198,
            "totalCreated": 628
        },
        "opcountersRepl": {
            "getmore": 0,
            "insert": 0,
            "update": 0,
            "command": 0,
            "query": 0,
            "delete": 0
        },
        "wiredTiger": {
            "data-handle": {
                "session dhandles swept": 1461,
                "connection sweeps": 339548,
                "connection sweep dhandles removed from hash list": 1174,
                "connection data handles currently active": 26,
                "connection sweep dhandles closed": 45,
                "session sweep attempts": 608,
                "connection sweep candidate became referenced": 0,
                "connection sweep time-of-death sets": 1228
            },
            "reconciliation": {
                "fast-path pages deleted": 0,
                "split objects currently awaiting free": 0,
                "split bytes currently awaiting free": 0,
                "pages deleted": 40,
                "page reconciliation calls for eviction": 11,
                "page reconciliation calls": 3001
            },
            "LSM": {
                "sleep for LSM merge throttle": 0,
                "application work units currently queued": 0,
                "rows merged in an LSM tree": 0,
                "switch work units currently queued": 0,
                "merge work units currently queued": 0,
                "tree maintenance operations discarded": 0,
                "sleep for LSM checkpoint throttle": 0,
                "tree maintenance operations executed": 0,
                "tree maintenance operations scheduled": 0,
                "tree queue hit maximum": 0
            },
            "log": {
                "slot join calls yielded": 0,
                "log sync_dir operations": 1,
                "slot close lost race": 0,
                "slot join calls found active slot closed": 0,
                "log server thread advances write LSN": 57081,
                "slot unbuffered writes": 0,
                "slot transitions unable to find free slot": 0,
                "records processed by log scan": 13,
                "total log buffer size": 33554432,
                "slot close unbuffered waits": 0,
                "log records too small to compress": 57514,
                "log force write operations skipped": 37257649,
                "log scan operations": 6,
                "pre-allocated log files used": 0,
                "pre-allocated log files not ready and missed": 1,
                "total size of compressed records": 487075,
                "pre-allocated log files prepared": 2,
                "log sync time duration (usecs)": 43500576,
                "total in-memory size of compressed records": 1262477,
                "yields waiting for previous log file close": 0,
                "log records not compressed": 642,
                "slot join calls did not yield": 58670,
                "log force write operations": 37314730,
                "slot join calls slept": 0,
                "written slots coalesced": 0,
                "slot join atomic update races": 0,
                "log records compressed": 514,
                "log write operations": 58670,
                "number of pre-allocated log files to create": 2,
                "log sync_dir time duration (usecs)": 1410,
                "log bytes written": 8043264,
                "slot join calls atomic updates raced": 0,
                "busy returns attempting to switch slots": 0,
                "log sync operations": 57563,
                "log files manually zero-filled": 0,
                "log bytes of payload data": 1747601,
                "log flush operations": 33901920,
                "slot join found active slot closed": 0,
                "maximum log file size": 104857600,
                "log scan records requiring two reads": 0,
                "slot closures": 57561,
                "log server thread write LSN walk skipped": 3760631,
                "log release advances write LSN": 480,
                "slot joins yield time (usecs)": 0,
                "force checkpoint calls slept": 0,
                "logging bytes consolidated": 8042752
            },
            "lock": {
                "schema lock application thread wait time (usecs)": 905,
                "table lock application thread time waiting for the table lock (usecs)": 0,
                "checkpoint lock internal thread wait time (usecs)": 0,
                "schema lock acquisitions": 56745,
                "dhandle write lock acquisitions": 2421,
                "table lock internal thread time waiting for the table lock (usecs)": 0,
                "dhandle read lock acquisitions": 15627049,
                "checkpoint lock application thread wait time (usecs)": 3578,
                "table write lock acquisitions": 155,
                "checkpoint lock acquisitions": 56592,
                "dhandle lock application thread time waiting for the dhandle lock (usecs)": 13,
                "schema lock internal thread wait time (usecs)": 0,
                "metadata lock application thread wait time (usecs)": 890,
                "table read lock acquisitions": 56592,
                "metadata lock internal thread wait time (usecs)": 0,
                "dhandle lock internal thread time waiting for the dhandle lock (usecs)": 0,
                "metadata lock acquisitions": 56592
            },
            "cache": {
                "eviction server evicting pages": 0,
                "tracked dirty pages in the cache": 0,
                "hazard pointer check entries walked": 0,
                "page split during eviction deepened the tree": 0,
                "pages walked for eviction": 0,
                "tracked dirty bytes in the cache": 0,
                "eviction worker thread stable number": 0,
                "eviction walks started from saved location in tree": 0,
                "eviction empty score": 0,
                "tracked bytes belonging to internal pages in the cache": 5500,
                "lookaside table remove calls": 0,
                "modified pages evicted": 22,
                "overflow pages read into cache": 0,
                "pages written from cache": 2972,
                "eviction walk target pages histogram - 0-9": 0,
                "eviction worker thread removed": 0,
                "eviction walk target pages histogram - 64-128": 0,
                "pages evicted because they exceeded the in-memory maximum count": 0,
                "files with new eviction walks started": 0,
                "in-memory page splits": 0,
                "unmodified pages evicted": 0,
                "pages queued for urgent eviction": 2,
                "in-memory page passed criteria to be split": 0,
                "eviction server unable to reach eviction goal": 0,
                "bytes belonging to page images in the cache": 26812,
                "bytes belonging to the lookaside table in the cache": 173,
                "internal pages split during eviction": 0,
                "application threads page write from cache to disk time (usecs)": 92082,
                "eviction walks gave up because they saw too many pages and found no candidates": 0,
                "pages evicted by application threads": 0,
                "eviction walks reached end of tree": 0,
                "application threads page read from disk to cache time (usecs)": 414,
                "eviction currently operating in aggressive mode": 0,
                "percentage overhead": 8,
                "eviction state": 32,
                "force re-tuning of eviction workers once in a while": 0,
                "eviction calls to get a page": 133,
                "pages seen by eviction walk": 0,
                "lookaside score": 0,
                "page written requiring lookaside records": 0,
                "bytes not belonging to page images in the cache": 299755,
                "maximum bytes configured": 268435456,
                "failed eviction of pages that exceeded the in-memory maximum count": 0,
                "eviction walk target pages histogram - 128 and higher": 0,
                "pages read into cache": 24,
                "eviction walks gave up because they restarted their walk twice": 0,
                "pages written requiring in-memory restoration": 0,
                "eviction worker thread active": 4,
                "pages requested from the cache": 1533707,
                "eviction server candidate queue not empty when topping up": 0,
                "pages evicted because they had chains of deleted items count": 0,
                "internal pages evicted": 0,
                "eviction calls to get a page found queue empty after locking": 0,
                "maximum page size at eviction": 0,
                "eviction server candidate queue empty when topping up": 0,
                "checkpoint blocked page eviction": 0,
                "eviction server slept, because we did not make progress with eviction": 348,
                "eviction walks abandoned": 0,
                "application threads page read from disk to cache count": 9,
                "eviction walks started from root of tree": 0,
                "pages selected for eviction unable to be evicted": 0,
                "hazard pointer maximum array length": 0,
                "eviction calls to get a page found queue empty": 131,
                "tracked bytes belonging to leaf pages in the cache": 321067,
                "modified pages evicted by application threads": 0,
                "pages queued for eviction": 0,
                "lookaside table insert calls": 0,
                "bytes currently in the cache": 326567,
                "pages read into cache requiring lookaside entries": 0,
                "files with active eviction walks": 0,
                "eviction worker thread created": 0,
                "failed eviction of pages that exceeded the in-memory maximum time (usecs)": 0,
                "pages currently held in the cache": 27,
                "hazard pointer check calls": 2,
                "eviction walk target pages histogram - 32-63": 0,
                "pages evicted because they exceeded the in-memory maximum time (usecs)": 0,
                "application threads page write from cache to disk count": 2971,
                "lookaside table entries": 0,
                "eviction walks gave up because they saw too many pages and found too few candidates": 0,
                "bytes written from cache": 11435698,
                "pages evicted because they had chains of deleted items time (usecs)": 0,
                "pages queued for urgent eviction during walk": 0,
                "eviction worker thread evicting pages": 2,
                "bytes read into cache": 34644,
                "eviction walk target pages histogram - 10-31": 0,
                "eviction passes of a file": 0,
                "leaf pages split during eviction": 0,
                "hazard pointer blocked page eviction": 0
            },
            "uri": "statistics:",
            "transaction": {
                "number of named snapshots dropped": 0,
                "transactions commit timestamp queue inserts total": 0,
                "transaction checkpoint currently running": 0,
                "transaction begins": 91180,
                "transaction fsync calls for checkpoint after allocating the transaction ID": 56592,
                "transactions commit timestamp queue inserts to head": 0,
                "transactions read timestamp queue inserts to head": 0,
                "transactions committed": 920,
                "transaction checkpoint most recent time (msecs)": 0,
                "transaction checkpoints": 56592,
                "transaction range of IDs currently pinned by a checkpoint": 0,
                "transaction range of timestamps currently pinned": 0,
                "update conflicts": 0,
                "transaction sync calls": 0,
                "transaction checkpoint scrub dirty target": 0,
                "transaction fsync duration for checkpoint after allocating the transaction ID (usecs)": 0,
                "transaction checkpoints skipped because database was clean": 0,
                "transaction checkpoint scrub time (msecs)": 0,
                "transaction checkpoint max time (msecs)": 18,
                "number of named snapshots created": 0,
                "transaction range of timestamps pinned by the oldest timestamp": 0,
                "transactions read timestamp queue length": 0,
                "transaction checkpoint min time (msecs)": 0,
                "transaction checkpoint total time (msecs)": 3413,
                "transactions read timestamp queue inserts total": 0,
                "transaction checkpoint generation": 56593,
                "transaction failures due to cache overflow": 0,
                "transaction range of IDs currently pinned by named snapshots": 0,
                "transactions rolled back": 90260,
                "transaction range of IDs currently pinned": 0,
                "transactions commit timestamp queue length": 0
            },
            "cursor": {
                "cursor restarted searches": 0,
                "cursor modify calls": 0,
                "cursor reserve calls": 0,
                "cursor prev calls": 5789,
                "cursor insert calls": 3671,
                "cursor remove calls": 209,
                "cursor update calls": 0,
                "cursor search near calls": 44796,
                "cursor search calls": 809886,
                "cursor next calls": 18552,
                "cursor create calls": 234,
                "truncate calls": 0,
                "cursor reset calls": 1527767
            },
            "connection": {
                "total read I/Os": 59776,
                "memory re-allocations": 13384904,
                "pthread mutex shared lock write-lock calls": 3554694,
                "auto adjusting condition resets": 229875,
                "detected system time went backwards": 0,
                "pthread mutex condition wait calls": 55141440,
                "memory frees": 52978707,
                "pthread mutex shared lock read-lock calls": 24103256,
                "total fsync I/Os": 116106,
                "files currently open": 17,
                "memory allocations": 52982640,
                "auto adjusting condition wait calls": 20899083,
                "total write I/Os": 63910
            },
            "session": {
                "table drop successful calls": 47,
                "table alter unchanged and skipped": 0,
                "table truncate failed calls": 0,
                "table compact failed calls": 0,
                "table rename successful calls": 0,
                "table verify successful calls": 0,
                "open cursor count": 31,
                "table create failed calls": 0,
                "table create successful calls": 45,
                "table drop failed calls": 0,
                "open session count": 20,
                "table verify failed calls": 0,
                "table salvage successful calls": 0,
                "table rebalance failed calls": 0,
                "table alter failed calls": 0,
                "table rebalance successful calls": 0,
                "table salvage failed calls": 0,
                "table truncate successful calls": 0,
                "table alter successful calls": 0,
                "table compact successful calls": 0,
                "table rename failed calls": 0
            },
            "block-manager": {
                "bytes read": 6066176,
                "blocks read": 1476,
                "blocks pre-loaded": 14,
                "bytes written": 31961088,
                "mapped bytes read": 0,
                "bytes written for checkpoint": 31956992,
                "blocks written": 5913,
                "mapped blocks read": 0
            },
            "thread-yield": {
                "page acquire busy blocked": 0,
                "page reconciliation yielded due to child modification": 0,
                "data handle lock yielded": 0,
                "connection close blocked waiting for transaction state stabilization": 0,
                "connection close yielded for lsm manager shutdown": 0,
                "application thread time evicting (usecs)": 0,
                "page delete rollback time sleeping for state change (usecs)": 0,
                "get reference for page index and slot time sleeping (usecs)": 0,
                "page acquire read blocked": 0,
                "log server sync yielded for log write": 0,
                "page acquire locked blocked": 0,
                "tree descend one level yielded for split page index update": 0,
                "page acquire eviction blocked": 0,
                "application thread time waiting for cache (usecs)": 0,
                "page acquire time sleeping (usecs)": 0
            },
            "async": {
                "total insert calls": 0,
                "total remove calls": 0,
                "number of operation slots viewed for allocation": 0,
                "total allocations": 0,
                "current work queue length": 0,
                "number of flush calls": 0,
                "maximum work queue length": 0,
                "total compact calls": 0,
                "total update calls": 0,
                "number of allocation state races": 0,
                "number of times operation allocation failed": 0,
                "number of times worker found no work": 0,
                "total search calls": 0
            },
            "concurrentTransactions": {
                "write": {
                    "available": 128,
                    "totalTickets": 128,
                    "out": 0
                },
                "read": {
                    "available": 127,
                    "totalTickets": 128,
                    "out": 1
                }
            },
            "thread-state": {
                "active filesystem write calls": 0,
                "active filesystem read calls": 0,
                "active filesystem fsync calls": 0
            }
        },
        "opLatencies": {
            "commands": {
                "latency": 627774,
                "ops": 22057
            },
            "writes": {
                "latency": 264051,
                "ops": 555
            },
            "reads": {
                "latency": 99298,
                "ops": 674
            }
        },
        "uptimeEstimate": 3395534,
        "host": "ip-172-31-33-125",
        "tcmalloc": {
            "generic": {
                "current_allocated_bytes": 67607496,
                "heap_size": 75993088
            },
            "tcmalloc": {
                "formattedString": "------------------------------------------------\nMALLOC:       67608072 (   64.5 MiB) Bytes in use by application\nMALLOC: +      2600960 (    2.5 MiB) Bytes in page heap freelist\nMALLOC: +       491928 (    0.5 MiB) Bytes in central cache freelist\nMALLOC: +      1757824 (    1.7 MiB) Bytes in transfer cache freelist\nMALLOC: +      1035744 (    1.0 MiB) Bytes in thread cache freelists\nMALLOC: +      1335552 (    1.3 MiB) Bytes in malloc metadata\nMALLOC:   ------------\nMALLOC: =     74830080 (   71.4 MiB) Actual memory used (physical + swap)\nMALLOC: +      2498560 (    2.4 MiB) Bytes released to OS (aka unmapped)\nMALLOC:   ------------\nMALLOC: =     77328640 (   73.7 MiB) Virtual address space used\nMALLOC:\nMALLOC:            894              Spans in use\nMALLOC:             18              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",
                "pageheap_unmapped_bytes": 2498560,
                "pageheap_decommit_count": 2479,
                "current_total_thread_cache_bytes": 1036320,
                "central_cache_free_bytes": 491928,
                "max_total_thread_cache_bytes": 128974848,
                "pageheap_total_reserve_bytes": 75993088,
                "pageheap_total_commit_bytes": 1236410368,
                "total_free_bytes": 3286072,
                "transfer_cache_free_bytes": 1757824,
                "pageheap_reserve_count": 51,
                "pageheap_scavenge_count": 2479,
                "pageheap_committed_bytes": 73494528,
                "pageheap_total_decommit_bytes": 1162915840,
                "pageheap_free_bytes": 2600960,
                "pageheap_commit_count": 7949,
                "aggressive_memory_decommit": 0,
                "thread_cache_free_bytes": 1036320
            }
        },
        "metrics": {
            "commands": {
                "updateUser": {
                    "failed": 0,
                    "total": 0
                },
                "killAllSessions": {
                    "failed": 0,
                    "total": 0
                },
                "dropRole": {
                    "failed": 0,
                    "total": 0
                },
                "renameCollection": {
                    "failed": 0,
                    "total": 0
                },
                "planCacheSetFilter": {
                    "failed": 0,
                    "total": 0
                },
                "fsyncUnlock": {
                    "failed": 0,
                    "total": 0
                },
                "usersInfo": {
                    "failed": 0,
                    "total": 0
                },
                "touch": {
                    "failed": 0,
                    "total": 0
                },
                "_configsvrMoveChunk": {
                    "failed": 0,
                    "total": 0
                },
                "find": {
                    "failed": 0,
                    "total": 543
                },
                "endSessions": {
                    "failed": 0,
                    "total": 0
                },
                "compact": {
                    "failed": 0,
                    "total": 0
                },
                "createIndexes": {
                    "failed": 0,
                    "total": 1834
                },
                "handshake": {
                    "failed": 0,
                    "total": 0
                },
                "group": {
                    "failed": 0,
                    "total": 0
                },
                "moveChunk": {
                    "failed": 0,
                    "total": 0
                },
                "_mergeAuthzCollections": {
                    "failed": 0,
                    "total": 0
                },
                "explain": {
                    "failed": 0,
                    "total": 0
                },
                "_migrateClone": {
                    "failed": 0,
                    "total": 0
                },
                "checkShardingIndex": {
                    "failed": 0,
                    "total": 0
                },
                "<UNKNOWN>": 0,
                "logRotate": {
                    "failed": 0,
                    "total": 0
                },
                "getPrevError": {
                    "failed": 0,
                    "total": 0
                },
                "replSetGetStatus": {
                    "failed": 26,
                    "total": 26
                },
                "replSetRequestVotes": {
                    "failed": 0,
                    "total": 0
                },
                "grantRolesToUser": {
                    "failed": 0,
                    "total": 0
                },
                "_flushRoutingTableCacheUpdates": {
                    "failed": 0,
                    "total": 0
                },
                "shardConnPoolStats": {
                    "failed": 0,
                    "total": 0
                },
                "findAndModify": {
                    "failed": 0,
                    "total": 0
                },
                "splitChunk": {
                    "failed": 0,
                    "total": 0
                },
                "planCacheClear": {
                    "failed": 0,
                    "total": 0
                },
                "getCmdLineOpts": {
                    "failed": 0,
                    "total": 0
                },
                "insert": {
                    "failed": 0,
                    "total": 35
                },
                "replSetInitiate": {
                    "failed": 0,
                    "total": 0
                },
                "replSetGetConfig": {
                    "failed": 0,
                    "total": 0
                },
                "fsync": {
                    "failed": 0,
                    "total": 0
                },
                "appendOplogNote": {
                    "failed": 0,
                    "total": 0
                },
                "replSetReconfig": {
                    "failed": 0,
                    "total": 0
                },
                "mapreduce": {
                    "shardedfinish": {
                        "failed": 0,
                        "total": 0
                    }
                },
                "forceerror": {
                    "failed": 0,
                    "total": 0
                },
                "_getNextSessionMods": {
                    "failed": 0,
                    "total": 0
                },
                "_recvChunkAbort": {
                    "failed": 0,
                    "total": 0
                },
                "replSetAbortPrimaryCatchUp": {
                    "failed": 0,
                    "total": 0
                },
                "connectionStatus": {
                    "failed": 0,
                    "total": 0
                },
                "applyOps": {
                    "failed": 0,
                    "total": 0
                },
                "_recvChunkStatus": {
                    "failed": 0,
                    "total": 0
                },
                "copydbgetnonce": {
                    "failed": 0,
                    "total": 0
                },
                "setParameter": {
                    "failed": 0,
                    "total": 0
                },
                "planCacheListPlans": {
                    "failed": 0,
                    "total": 0
                },
                "dataSize": {
                    "failed": 0,
                    "total": 0
                },
                "dbHash": {
                    "failed": 0,
                    "total": 0
                },
                "_configsvrEnableSharding": {
                    "failed": 0,
                    "total": 0
                },
                "authenticate": {
                    "failed": 0,
                    "total": 0
                },
                "revokeRolesFromRole": {
                    "failed": 0,
                    "total": 0
                },
                "grantPrivilegesToRole": {
                    "failed": 0,
                    "total": 0
                },
                "geoNear": {
                    "failed": 0,
                    "total": 0
                },
                "replSetFresh": {
                    "failed": 0,
                    "total": 0
                },
                "planCacheClearFilters": {
                    "failed": 0,
                    "total": 0
                },
                "getParameter": {
                    "failed": 0,
                    "total": 0
                },
                "serverStatus": {
                    "failed": 0,
                    "total": 7
                },
                "dropIndexes": {
                    "failed": 0,
                    "total": 0
                },
                "listDatabases": {
                    "failed": 0,
                    "total": 79
                },
                "killCursors": {
                    "failed": 0,
                    "total": 0
                },
                "replSetResizeOplog": {
                    "failed": 0,
                    "total": 0
                },
                "collStats": {
                    "failed": 0,
                    "total": 23
                },
                "hostInfo": {
                    "failed": 0,
                    "total": 0
                },
                "getShardVersion": {
                    "failed": 0,
                    "total": 0
                },
                "cloneCollection": {
                    "failed": 0,
                    "total": 0
                },
                "dropDatabase": {
                    "failed": 0,
                    "total": 13
                },
                "update": {
                    "failed": 0,
                    "total": 522
                },
                "logout": {
                    "failed": 0,
                    "total": 0
                },
                "_transferMods": {
                    "failed": 0,
                    "total": 0
                },
                "_configsvrAddShardToZone": {
                    "failed": 0,
                    "total": 0
                },
                "killAllSessionsByPattern": {
                    "failed": 0,
                    "total": 0
                },
                "isMaster": {
                    "failed": 0,
                    "total": 21034
                },
                "collMod": {
                    "failed": 0,
                    "total": 0
                },
                "shardingState": {
                    "failed": 0,
                    "total": 0
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