== sanity test 51f: check many open files limit ========== 05:56:53 (1773223013)
MDT0 numfree=     490542 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1330 (time 1773223027.58 total 10.01 last 132.84)
 - open/keep 2785 (time 1773223037.58 total 20.01 last 145.50)
 - open/keep 4099 (time 1773223047.58 total 30.02 last 131.34)
 - open/keep 5419 (time 1773223057.58 total 40.02 last 131.96)
 - open/keep 6922 (time 1773223067.59 total 50.02 last 150.26)
 - open/keep 8244 (time 1773223077.59 total 60.03 last 132.12)
 - open/keep 9581 (time 1773223087.60 total 70.04 last 133.58)
 - open/keep 10000 (time 1773223091.40 total 73.84 last 110.32)
 - open/keep 11270 (time 1773223101.40 total 83.84 last 126.95)
 - open/keep 12524 (time 1773223111.40 total 93.84 last 125.39)
 - open/keep 14089 (time 1773223121.41 total 103.84 last 156.44)
 - open/keep 15412 (time 1773223131.41 total 113.84 last 132.28)
total: 16221 open/keep in 120.00 seconds: 135.17 ops/second
 - closed 2451 (time 1773223147.57 total 10.00 last -1296.07)
 - closed 4904 (time 1773223157.57 total 20.00 last 245.19)
 - closed 6911 (time 1773223167.57 total 30.01 last 200.66)
 - closed 9476 (time 1773223177.57 total 40.01 last 256.47)
 - closed 10000 (time 1773223179.81 total 42.25 last 234.03)
 - closed 12586 (time 1773223189.81 total 52.25 last 258.60)
 - closed 15350 (time 1773223199.81 total 62.25 last 276.39)
total: 16221 close in 65.17 seconds: 248.89 close/second
 - unlinked 0 (time 1773223206 ; total 0 ; last 0)
 - unlinked 10000 (time 1773223278 ; total 72 ; last 72)
unlink(/mnt/lustre/d51f.sanity/f16221) error: No such file or directory
total: 16221 unlinks in 121 seconds: 134.057846 unlinks/second