== sanity test 51f: check many open files limit ========== 21:02:13 (1763344933)
MDT0 numfree=     488659 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1196 (time 1763344945.99 total 10.01 last 119.46)
 - open/keep 2443 (time 1763344955.99 total 20.02 last 124.63)
 - open/keep 3603 (time 1763344966.00 total 30.03 last 115.89)
 - open/keep 4747 (time 1763344976.02 total 40.04 last 114.26)
 - open/keep 5897 (time 1763344986.02 total 50.04 last 114.98)
 - open/keep 7136 (time 1763344996.02 total 60.04 last 123.86)
 - open/keep 8132 (time 1763345006.03 total 70.05 last 99.55)
 - open/keep 9090 (time 1763345016.04 total 80.06 last 95.69)
 - open/keep 10000 (time 1763345024.60 total 88.62 last 106.33)
 - open/keep 11115 (time 1763345034.61 total 98.64 last 111.29)
 - open/keep 12260 (time 1763345044.62 total 108.65 last 114.41)
 - open/keep 13418 (time 1763345054.62 total 118.65 last 115.79)
total: 13590 open/keep in 120.01 seconds: 113.24 ops/second
 - closed 1982 (time 1763345065.99 total 10.01 last -1142.88)
 - closed 3768 (time 1763345076.00 total 20.01 last 178.53)
 - closed 5874 (time 1763345086.00 total 30.01 last 210.55)
 - closed 7774 (time 1763345096.01 total 40.02 last 189.80)
 - closed 9692 (time 1763345106.02 total 50.03 last 191.64)
 - closed 10000 (time 1763345107.47 total 51.49 last 211.79)
 - closed 11988 (time 1763345117.47 total 61.49 last 198.75)
total: 13590 close in 70.07 seconds: 193.94 close/second
 - unlinked 0 (time 1763345129 ; total 0 ; last 0)
 - unlinked 10000 (time 1763345212 ; total 83 ; last 83)
unlink(/mnt/lustre/d51f.sanity/f13590) error: No such file or directory
total: 13590 unlinks in 112 seconds: 121.339287 unlinks/second