Thu Jan 10 01:19:42 [initandlisten] connection accepted from 127.0.0.1:55354 #7 (1 connection now open)
Thu Jan 10 01:19:42 [conn7] run command admin.$cmd { ismaster: 1 }
Thu Jan 10 01:19:42 [conn7] command admin.$cmd command: { ismaster: 1 } ntoreturn:1 keyUpdates:0  reslen:90 0ms
Thu Jan 10 01:19:42 [conn7] query local.huh ntoreturn:1 keyUpdates:0 locks(micros) r:29 nreturned:1 reslen:35 0ms
Thu Jan 10 01:19:42 [conn7] run command local.$cmd { drop: "huh" }
Thu Jan 10 01:19:42 [conn7] CMD: drop local.huh
Thu Jan 10 01:19:42 [conn7] dropCollection: local.huh
Thu Jan 10 01:19:42 [conn7] 	 dropIndexes done
Thu Jan 10 01:19:42 [conn7] command local.$cmd command: { drop: "huh" } ntoreturn:1 keyUpdates:0 locks(micros) w:763 reslen:116 0ms
Thu Jan 10 01:19:42 [conn7] allocExtent local.huh size 768 1
Thu Jan 10 01:19:42 [conn7] adding _id index for collection local.huh
Thu Jan 10 01:19:42 [conn7] build index local.huh { _id: 1 }
Thu Jan 10 01:19:42 [conn7] external sort root: /usr/local/var/mongodb/_tmp/esort.1357809582.5/
Thu Jan 10 01:19:42 [conn7] 	 external sort used : 0 files  in 0 secs
Thu Jan 10 01:19:42 [conn7] allocExtent local.huh.$_id_ size 36864 1
Thu Jan 10 01:19:42 [conn7] New namespace: local.huh.$_id_
Thu Jan 10 01:19:42 [conn7] 	 done building bottom layer, going to commit
Thu Jan 10 01:19:42 [conn7] build index done.  scanned 0 total records. 0 secs
Thu Jan 10 01:19:42 [conn7] New namespace: local.huh
Thu Jan 10 01:19:42 [conn7] insert local.huh keyUpdates:0 locks(micros) w:1503 1ms
Thu Jan 10 01:19:42 [conn7] User Assertion: 11000:E11000 duplicate key error index: local.huh.$_id_  dup key: { : null }
Thu Jan 10 01:19:42 [conn7] insert local.huh keyUpdates:0 exception: E11000 duplicate key error index: local.huh.$_id_  dup key: { : null } code:11000 locks(micros) w:103 0ms
Thu Jan 10 01:19:42 [conn7] User Assertion: 11000:E11000 duplicate key error index: local.huh.$_id_  dup key: { : null }
Thu Jan 10 01:19:42 [conn7] insert local.huh keyUpdates:0 exception: E11000 duplicate key error index: local.huh.$_id_  dup key: { : null } code:11000 locks(micros) w:86 0ms
Thu Jan 10 01:19:42 [conn7] User Assertion: 11000:E11000 duplicate key error index: local.huh.$_id_  dup key: { : null }
Thu Jan 10 01:19:42 [conn7] insert local.huh keyUpdates:0 exception: E11000 duplicate key error index: local.huh.$_id_  dup key: { : null } code:11000 locks(micros) w:85 0ms
Thu Jan 10 01:19:42 [conn7] run command admin.$cmd { getlasterror: 1 }
Thu Jan 10 01:19:42 [conn7] command admin.$cmd command: { getlasterror: 1 } ntoreturn:1 keyUpdates:0  reslen:152 0ms
Thu Jan 10 01:19:42 [conn7] end connection 127.0.0.1:55354 (0 connections now open)
Thu Jan 10 01:19:42 [journal] lsn set 821886
Thu Jan 10 01:19:43 [TTLMonitor] query local.system.indexes query: { expireAfterSeconds: { $exists: true } } ntoreturn:0 keyUpdates:0 locks(micros) r:110 nreturned:0 reslen:20 0ms
Thu Jan 10 01:19:43 [DataFileSync] flushing mmaps took 121ms  for 2 files