> db.dropDatabase() { "dropped" : "test" , "ok" : 1 } > db.setProfilingLevel(2) { "was" : 0, "slowms" : 100, "sampleRate" : 1, "ok" : 1 } > db.foo.runCommand({insert: 'foo' , documents:[{a:1}]}) { "n" : 1, "ok" : 1 } > db.foo.runCommand({insert: 'foo' , documents:[{b:1}], maxTimeMS:1000}) { "n" : 1, "ok" : 1 } > db.adminCommand({configureFailPoint: 'maxTimeAlwaysTimeOut' , mode: 'alwaysOn' }) { "count" : 7, "ok" : 1 } > db.foo.runCommand({insert: 'foo' , documents:[{c:1}], maxTimeMS:1000}) { "ok" : 0, "errmsg" : "operation exceeded time limit" , "code" : 50, "codeName" : "MaxTimeMSExpired" } > db.setProfilingLevel(0) { "was" : 2, "slowms" : 100, "sampleRate" : 1, "ok" : 1 } > db.system.profile.find() { "op" : "insert" , "ns" : "test.foo" , "command" : { "insert" : "foo" , "lsid" : { "id" : UUID( "419c35a3-39fe-46cc-9a7a-23847478330b" ) }, "$db" : "test" }, "ninserted" : 1, "keysInserted" : 1, "numYield" : 0, "locks" : { "ParallelBatchWriterMode" : { "acquireCount" : { "r" : NumberLong(3) } }, "ReplicationStateTransition" : { "acquireCount" : { "w" : NumberLong(3) } }, "Global" : { "acquireCount" : { "w" : NumberLong(3) } }, "Database" : { "acquireCount" : { "w" : NumberLong(3) } }, "Collection" : { "acquireCount" : { "r" : NumberLong(1), "w" : NumberLong(3) } }, "Mutex" : { "acquireCount" : { "r" : NumberLong(3) } } }, "flowControl" : { "acquireCount" : NumberLong(3), "timeAcquiringMicros" : NumberLong(7) }, "responseLength" : 45, "protocol" : "op_msg" , "millis" : 11, "ts" : ISODate( "2020-05-06T20:43:18.817Z" ), "client" : "127.0.0.1" , "appName" : "MongoDB Shell" , "allUsers" : [ ], "user" : "" } { "op" : "insert" , "ns" : "test.foo" , "command" : { "insert" : "foo" , "maxTimeMS" : 1000, "lsid" : { "id" : UUID( "419c35a3-39fe-46cc-9a7a-23847478330b" ) }, "$db" : "test" }, "ninserted" : 1, "keysInserted" : 1, "numYield" : 0, "locks" : { "ParallelBatchWriterMode" : { "acquireCount" : { "r" : NumberLong(1) } }, "ReplicationStateTransition" : { "acquireCount" : { "w" : NumberLong(1) } }, "Global" : { "acquireCount" : { "w" : NumberLong(1) } }, "Database" : { "acquireCount" : { "w" : NumberLong(1) } }, "Collection" : { "acquireCount" : { "w" : NumberLong(1) } }, "Mutex" : { "acquireCount" : { "r" : NumberLong(1) } } }, "flowControl" : { "acquireCount" : NumberLong(1), "timeAcquiringMicros" : NumberLong(3) }, "responseLength" : 45, "protocol" : "op_msg" , "millis" : 0, "ts" : ISODate( "2020-05-06T20:43:22.792Z" ), "client" : "127.0.0.1" , "appName" : "MongoDB Shell" , "allUsers" : [ ], "user" : "" } Fetched 2 record(s) in 24ms Notice that only the first two inserts show up in system.profile (the inserts of {a:1} and {b:1}, which both complete successfully). The insert of {c:1}, which times out, doesn't show up in the profiler.