== sanity test 51f: check many open files limit ========== 07:15:40 (1769084140)
striped dir -i1 -c2 -H crush /mnt/lustre/d51f.sanity
MDT1 numfree=    1021989 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1610 (time 1769084153.85 total 10.01 last 160.83)
 - open/keep 3249 (time 1769084163.86 total 20.01 last 163.88)
 - open/keep 4850 (time 1769084173.86 total 30.02 last 160.02)
 - open/keep 6542 (time 1769084183.86 total 40.02 last 169.16)
 - open/keep 8121 (time 1769084193.86 total 50.02 last 157.87)
 - open/keep 9789 (time 1769084203.87 total 60.02 last 166.74)
 - open/keep 11652 (time 1769084213.87 total 70.03 last 186.20)
 - open/keep 13323 (time 1769084223.88 total 80.04 last 167.00)
 - open/keep 14909 (time 1769084233.88 total 90.04 last 158.59)
 - open/keep 16857 (time 1769084243.88 total 100.04 last 194.74)
 - open/keep 18664 (time 1769084253.88 total 110.04 last 180.70)
 - open/keep 20000 (time 1769084260.74 total 116.90 last 194.78)
total: 20527 open/keep in 120.00 seconds: 171.06 ops/second
 - closed 3255 (time 1769084273.85 total 10.00 last -1674.10)
 - closed 6695 (time 1769084283.85 total 20.01 last 343.88)
 - closed 9575 (time 1769084293.86 total 30.01 last 287.86)
 - closed 10000 (time 1769084295.38 total 31.53 last 278.97)
 - closed 12941 (time 1769084305.38 total 41.54 last 294.07)
 - closed 16150 (time 1769084315.38 total 51.54 last 320.81)
 - closed 19939 (time 1769084325.39 total 61.54 last 378.82)
 - closed 20000 (time 1769084325.57 total 61.72 last 330.20)
total: 20527 close in 63.27 seconds: 324.43 close/second
 - unlinked 0 (time 1769084329 ; total 0 ; last 0)
 - unlinked 10000 (time 1769084378 ; total 49 ; last 49)
 - unlinked 20000 (time 1769084428 ; total 99 ; last 50)
unlink(/mnt/lustre/d51f.sanity/f20527) error: No such file or directory
total: 20527 unlinks in 101 seconds: 203.237625 unlinks/second