== sanity test 51f: check many open files limit ========== 10:13:20 (1761315200)
MDT0 numfree=494662, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1353 (time 1761315213.97 total 10.00 last 135.25)
 - open/keep 2838 (time 1761315223.98 total 20.01 last 148.40)
 - open/keep 4682 (time 1761315233.98 total 30.01 last 184.35)
 - open/keep 6151 (time 1761315243.99 total 40.02 last 146.84)
 - open/keep 7807 (time 1761315253.99 total 50.02 last 165.53)
 - open/keep 9309 (time 1761315263.99 total 60.02 last 150.19)
 - open/keep 10000 (time 1761315268.71 total 64.74 last 146.42)
 - open/keep 11541 (time 1761315278.72 total 74.75 last 153.98)
 - open/keep 12972 (time 1761315288.72 total 84.75 last 143.06)
 - open/keep 14396 (time 1761315298.73 total 94.76 last 142.29)
 - open/keep 15797 (time 1761315308.73 total 104.76 last 140.09)
 - open/keep 17252 (time 1761315318.73 total 114.76 last 145.47)
total: 17970 open/keep in 120.01 seconds: 149.74 ops/second
 - closed 2582 (time 1761315333.99 total 10.00 last -1466.46)
 - closed 5030 (time 1761315343.99 total 20.00 last 244.77)
 - closed 7761 (time 1761315353.99 total 30.01 last 273.05)
 - closed 10000 (time 1761315362.80 total 38.81 last 254.26)
 - closed 12470 (time 1761315372.80 total 48.82 last 246.92)
 - closed 15037 (time 1761315382.80 total 58.82 last 256.68)
 - closed 17625 (time 1761315392.81 total 68.82 last 258.63)
total: 17970 close in 70.46 seconds: 255.05 close/second
 - unlinked 0 (time 1761315397 ; total 0 ; last 0)
 - unlinked 10000 (time 1761315459 ; total 62 ; last 62)
unlink(/mnt/lustre/d51f.sanity/f17970) error: No such file or directory
total: 17970 unlinks in 114 seconds: 157.631577 unlinks/second