== sanity test 51f: check many open files limit ========== 01:11:46 (1788844306)
MDT0 numfree=531076, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1208 (time 1788844321.18 total 10.01 last 120.71)
 - open/keep 2331 (time 1788844331.18 total 20.01 last 112.30)
 - open/keep 3774 (time 1788844341.18 total 30.01 last 144.28)
 - open/keep 5596 (time 1788844351.19 total 40.01 last 182.12)
 - open/keep 6878 (time 1788844361.19 total 50.01 last 128.19)
 - open/keep 8194 (time 1788844371.19 total 60.02 last 131.54)
 - open/keep 9551 (time 1788844381.20 total 70.03 last 135.52)
 - open/keep 10000 (time 1788844384.93 total 73.76 last 120.35)
 - open/keep 11287 (time 1788844394.94 total 83.77 last 128.66)
 - open/keep 12394 (time 1788844404.94 total 93.77 last 110.67)
 - open/keep 13808 (time 1788844414.94 total 103.77 last 141.34)
 - open/keep 15157 (time 1788844424.95 total 113.77 last 134.88)
total: 15821 open/keep in 120.00 seconds: 131.84 ops/second
 - closed 2274 (time 1788844441.18 total 10.01 last -1287.52)
 - closed 4142 (time 1788844451.18 total 20.01 last 186.76)
 - closed 6272 (time 1788844461.19 total 30.02 last 212.75)
 - closed 8482 (time 1788844471.19 total 40.02 last 220.98)
 - closed 10000 (time 1788844479.36 total 48.19 last 185.84)
 - closed 12164 (time 1788844489.37 total 58.20 last 216.25)
 - closed 14871 (time 1788844499.37 total 68.20 last 270.69)
total: 15821 close in 71.61 seconds: 220.93 close/second
 - unlinked 0 (time 1788844507 ; total 0 ; last 0)
 - unlinked 10000 (time 1788844580 ; total 73 ; last 73)
unlink(/mnt/lustre/d51f.sanity/f15821) error: No such file or directory
total: 15821 unlinks in 119 seconds: 132.949585 unlinks/second