== sanity test 51f: check many open files limit ========== 07:53:03 (1787831583)
MDT0 numfree=     531883, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1039 (time 1787831597.92 total 10.01 last 103.84)
 - open/keep 2038 (time 1787831607.92 total 20.01 last 99.90)
 - open/keep 3202 (time 1787831617.92 total 30.01 last 116.38)
 - open/keep 4158 (time 1787831627.92 total 40.01 last 95.58)
 - open/keep 5251 (time 1787831637.92 total 50.01 last 109.29)
 - open/keep 6312 (time 1787831647.96 total 60.05 last 105.69)
 - open/keep 7498 (time 1787831657.97 total 70.06 last 118.52)
 - open/keep 8509 (time 1787831667.97 total 80.06 last 101.09)
 - open/keep 9583 (time 1787831678.00 total 90.09 last 107.03)
 - open/keep 10000 (time 1787831682.18 total 94.27 last 99.74)
 - open/keep 11071 (time 1787831692.19 total 104.28 last 107.03)
 - open/keep 12232 (time 1787831702.19 total 114.28 last 116.10)
total: 12910 open/keep in 120.00 seconds: 107.58 ops/second
 - closed 2003 (time 1787831717.91 total 10.00 last -1022.85)
 - closed 4157 (time 1787831727.92 total 20.01 last 215.13)
 - closed 6227 (time 1787831737.93 total 30.01 last 206.97)
 - closed 8250 (time 1787831747.93 total 40.02 last 202.26)
 - closed 10000 (time 1787831756.19 total 48.28 last 211.90)
 - closed 11997 (time 1787831766.19 total 58.28 last 199.64)
total: 12910 close in 62.55 seconds: 206.38 close/second
 - unlinked 0 (time 1787831775 ; total 0 ; last 0)
 - unlinked 10000 (time 1787831860 ; total 85 ; last 85)
unlink(/mnt/lustre/d51f.sanity/f12910) error: No such file or directory
total: 12910 unlinks in 107 seconds: 120.654205 unlinks/second