MongoDB Documentation, Release 3.0.4 "queryExecutor": { "scanned" : NumberLong(<num>) }, "record" : { "moves" : NumberLong(<num>) }, "repl" : { "apply" : { "batches" : { "num" : <num>, "totalMillis" : <num> }, "ops" : NumberLong(<num>) }, "buffer" : { "count" : NumberLong(<num>), "maxSizeBytes" : <num>, "sizeBytes" : NumberLong(<num>) }, "network" : { "bytes" : NumberLong(<num>), "getmores" : { "num" : <num>, "totalMillis" : <num> }, "ops" : NumberLong(<num>), "readersCreated" : NumberLong(<num>) }, "oplog" : { "insert" : { "num" : <num>, "totalMillis" : <num> }, "insertBytes" : NumberLong(<num>) }, "preload" : { "docs" : { "num" : <num>, "totalMillis" : <num> }, "indexes" : { "num" : <num>, "totalMillis" : <num> } } }, "storage" : { "freelist" : { "search" : { "bucketExhausted" : <num>, "requests" : <num>, "scanned" : <num> } } }, "ttl" : { "deletedDocuments" : NumberLong(<num>), "passes" : NumberLong(<num>) 304 Chapter 5. Administration