== sanity test 51f: check many open files limit ========== 07:40:52 (1787830852)
MDT0 numfree=     537267, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1648 (time 1787830865.67 total 10.01 last 164.56)
 - open/keep 2918 (time 1787830875.67 total 20.02 last 126.98)
 - open/keep 4226 (time 1787830885.68 total 30.02 last 130.75)
 - open/keep 6471 (time 1787830895.68 total 40.03 last 224.39)
 - open/keep 8247 (time 1787830905.69 total 50.03 last 177.47)
 - open/keep 9650 (time 1787830915.70 total 60.04 last 140.22)
 - open/keep 10000 (time 1787830918.04 total 62.38 last 149.37)
 - open/keep 11458 (time 1787830928.04 total 72.38 last 145.77)
 - open/keep 12977 (time 1787830938.05 total 82.40 last 151.71)
 - open/keep 14855 (time 1787830948.06 total 92.40 last 187.70)
 - open/keep 16597 (time 1787830958.06 total 102.40 last 174.19)
 - open/keep 18296 (time 1787830968.06 total 112.40 last 169.84)
total: 19673 open/keep in 120.00 seconds: 163.94 ops/second
 - closed 2620 (time 1787830985.66 total 10.00 last -1566.98)
 - closed 5566 (time 1787830995.67 total 20.01 last 294.53)
 - closed 8170 (time 1787831005.67 total 30.01 last 260.38)
 - closed 10000 (time 1787831013.72 total 38.07 last 227.09)
 - closed 12162 (time 1787831023.73 total 48.07 last 216.15)
 - closed 14827 (time 1787831033.73 total 58.07 last 266.45)
 - closed 17352 (time 1787831043.73 total 68.07 last 252.43)
total: 19673 close in 77.43 seconds: 254.07 close/second
 - unlinked 0 (time 1787831055 ; total 0 ; last 0)
 - unlinked 10000 (time 1787831120 ; total 65 ; last 65)
unlink(/mnt/lustre/d51f.sanity/f19673) error: No such file or directory
total: 19673 unlinks in 126 seconds: 156.134918 unlinks/second