"w" : NumberLong(<num>), "R" : NumberLong(<num>), "W" : NumberLong(<num>) } }, "oplog" : { "acquireCount" : { "r" : NumberLong(<num>), "w" : NumberLong(<num>), "R" : NumberLong(<num>), "W" : NumberLong(<num>) }, "acquireWaitCount" : { "r" : NumberLong(<num>), "w" : NumberLong(<num>), "R" : NumberLong(<num>), "W" : NumberLong(<num>) }, "timeAcquiringMicros" : { "r" : NumberLong(<num>), "w" : NumberLong(<num>), "R" : NumberLong(<num>), "W" : NumberLong(<num>) }, "deadlockCount" : { "r" : NumberLong(<num>), "w" : NumberLong(<num>), "R" : NumberLong(<num>), "W" : NumberLong(<num>) } } }, MongoDB Documentation, Release 3.0.4 "network" : { "bytesIn" : <num>, "bytesOut" : <num>, "numRequests" : <num> }, "opcounters" : { "insert" : <num>, "query" : <num>, "update" : <num>, "delete" : <num>, "getmore" : <num>, "command" : <num> }, "opcountersRepl" : { "insert" : <num>, "query" : <num>, "update" : <num>, "delete" : <num>, The server-status-network document reports on network use and state: The server-status-opcounters document reports the number of operations this MongoDB instance has processed: The server-status-opcounters-repl document reports the number of replicated operations: 301 5.3. Administration Reference