== sanity test 51f: check many open files limit ========== 21:19:48 (1781227188)
MDT0 numfree=     533229, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2449 (time 1781227200.12 total 10.00 last 244.87)
 - open/keep 4524 (time 1781227210.12 total 20.00 last 207.49)
 - open/keep 6459 (time 1781227220.13 total 30.01 last 193.31)
 - open/keep 8301 (time 1781227230.13 total 40.01 last 184.17)
 - open/keep 10000 (time 1781227237.46 total 47.35 last 231.73)
 - open/keep 12409 (time 1781227247.46 total 57.35 last 240.89)
 - open/keep 14743 (time 1781227257.47 total 67.35 last 233.34)
 - open/keep 17514 (time 1781227267.47 total 77.35 last 277.04)
 - open/keep 20000 (time 1781227276.67 total 86.55 last 270.22)
 - open/keep 22669 (time 1781227286.67 total 96.55 last 266.87)
 - open/keep 25089 (time 1781227296.67 total 106.55 last 241.93)
 - open/keep 27748 (time 1781227306.67 total 116.56 last 265.86)
total: 28566 open/keep in 120.00 seconds: 238.04 ops/second
 - closed 3774 (time 1781227320.12 total 10.00 last -2397.18)
 - closed 7782 (time 1781227330.12 total 20.00 last 400.77)
 - closed 10000 (time 1781227335.58 total 25.46 last 406.47)
 - closed 14880 (time 1781227345.58 total 35.46 last 487.99)
 - closed 19081 (time 1781227355.59 total 45.46 last 419.89)
 - closed 20000 (time 1781227358.04 total 47.92 last 373.98)
 - closed 23821 (time 1781227368.04 total 57.92 last 382.07)
 - closed 27262 (time 1781227378.04 total 67.92 last 344.07)
total: 28566 close in 71.79 seconds: 397.88 close/second
 - unlinked 0 (time 1781227384 ; total 0 ; last 0)
 - unlinked 10000 (time 1781227428 ; total 44 ; last 44)
 - unlinked 20000 (time 1781227456 ; total 72 ; last 28)
unlink(/mnt/lustre/d51f.sanity/f28566) error: No such file or directory
total: 28566 unlinks in 104 seconds: 274.673065 unlinks/second