2019-02-21T18:00:18.746+0700 I COMMAND [conn883] command mailtarget_tracker.member_5ba49a58f0eb8a78749d93fb command: find { find: "member_5ba[5/958] eb8a78749d93fb", filter: { scenarioId: "5ba49f58f0eb8a78749ded74", email: "aldwinberampu@gmail.com" }, limit: 1, shardVersion: [ Timestamp(0, 0), Obj ectId('000000000000000000000000') ], $clusterTime: { clusterTime: Timestamp(1550746818, 2), signature: { hash: BinData(0, 99E6EA3F9CADA8914296782C6AA AB4218C80CCDF), keyId: 6658617262188003338 } }, $client: { driver: { name: "mongo-java-driver", version: "unknown" }, os: { type: "Linux", name: "Lin ux", architecture: "amd64", version: "3.10.0-862.14.4.el7.x86_64" }, platform: "Java/Oracle Corporation/1.8.0_141-b15", mongos: { host: "shard-router .prod.mailtarget.id:27017", client: "10.130.108.39:59630", version: "4.0.6" } }, $configServerState: { opTime: { ts: Timestamp(1550746816, 1), t: 1 } }, $db: "mailtarget_tracker" } planSummary: COLLSCAN keysExamined:0 docsExamined:180229 cursorExhausted:1 numYields:1408 nreturned:1 reslen:798 lock s:{ Global: { acquireCount: { r: 1409 } }, Database: { acquireCount: { r: 1409 } }, Collection: { acquireCount: { r: 1409 } } } protocol:op_msg 124ms 2019-02-21T18:00:25.880+0700 E STORAGE [conn129] WiredTiger error (24) [1550746825:878356][8305:0x7f513c722700], file:index-11286-140612876571483410 2.wt, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/index-11286-1406128765714834102.wt: handle-open: open: Too many open files Raw: [1550746825:878356][8305:0x7f513c722700], file:index-11286-1406128765714834102.wt, WT_SESSION.open_cursor: __posix_open_file, 715: /var/lib/mongo/ind ex-11286-1406128765714834102.wt: handle-open: open: Too many open files 2019-02-21T18:00:25.880+0700 E STORAGE [conn129] Failed to open a WiredTiger cursor: table:index-11286-1406128765714834102 2019-02-21T18:00:25.880+0700 E STORAGE [conn129] This may be due to data corruption. Please read the documentation for starting MongoDB with --repai r here: http://dochub.mongodb.org/core/repair 2019-02-21T18:00:25.882+0700 F - [conn129] Fatal Assertion 50882 at src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp 143 2019-02-21T18:00:25.884+0700 F - [conn129] ***aborting after fassert() failure