== sanity test 51f: check many open files limit ========== 06:19:38 (1768303178)
MDT0 numfree=     485835 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1137 (time 1768303193.52 total 10.01 last 113.53)
 - open/keep 2427 (time 1768303203.53 total 20.02 last 128.93)
 - open/keep 3629 (time 1768303213.53 total 30.02 last 120.20)
 - open/keep 5023 (time 1768303223.53 total 40.02 last 139.37)
 - open/keep 6165 (time 1768303233.53 total 50.02 last 114.20)
 - open/keep 7522 (time 1768303243.53 total 60.03 last 135.64)
 - open/keep 8816 (time 1768303253.55 total 70.04 last 129.24)
 - open/keep 10000 (time 1768303263.49 total 79.99 last 119.01)
 - open/keep 11291 (time 1768303273.50 total 89.99 last 129.06)
 - open/keep 12607 (time 1768303283.50 total 99.99 last 131.56)
 - open/keep 13641 (time 1768303293.72 total 110.21 last 101.20)
total: 14436 open/keep in 120.01 seconds: 120.29 ops/second
 - closed 2237 (time 1768303313.52 total 10.00 last -1139.89)
 - closed 4332 (time 1768303323.53 total 20.01 last 209.43)
 - closed 6561 (time 1768303333.53 total 30.01 last 222.89)
 - closed 8657 (time 1768303343.53 total 40.01 last 209.55)
 - closed 10000 (time 1768303349.57 total 46.05 last 222.45)
 - closed 12206 (time 1768303359.57 total 56.05 last 220.47)
 - closed 14357 (time 1768303369.58 total 66.06 last 215.03)
total: 14436 close in 66.38 seconds: 217.46 close/second
 - unlinked 0 (time 1768303374 ; total 0 ; last 0)
 - unlinked 10000 (time 1768303452 ; total 78 ; last 78)
unlink(/mnt/lustre/d51f.sanity/f14436) error: No such file or directory
total: 14436 unlinks in 111 seconds: 130.054047 unlinks/second