== sanity test 51f: check many open files limit ========== 02:48:44 (1761288524)
MDT0 numfree=     486507 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1261 (time 1761288537.30 total 10.00 last 126.10)
 - open/keep 2514 (time 1761288547.31 total 20.01 last 125.22)
 - open/keep 3883 (time 1761288557.31 total 30.01 last 136.88)
 - open/keep 5266 (time 1761288567.31 total 40.01 last 138.28)
 - open/keep 6785 (time 1761288577.32 total 50.02 last 151.80)
 - open/keep 8103 (time 1761288587.32 total 60.02 last 131.79)
 - open/keep 9340 (time 1761288597.32 total 70.02 last 123.69)
 - open/keep 10000 (time 1761288602.69 total 75.39 last 122.73)
 - open/keep 11089 (time 1761288612.71 total 85.41 last 108.77)
 - open/keep 12153 (time 1761288622.71 total 95.41 last 106.36)
 - open/keep 13323 (time 1761288632.72 total 105.42 last 116.89)
 - open/keep 14442 (time 1761288642.72 total 115.42 last 111.84)
total: 14966 open/keep in 120.00 seconds: 124.71 ops/second
 - closed 1981 (time 1761288657.30 total 10.00 last -1245.86)
 - closed 3973 (time 1761288667.31 total 20.00 last 199.16)
 - closed 6058 (time 1761288677.31 total 30.00 last 208.48)
 - closed 8121 (time 1761288687.31 total 40.01 last 206.24)
 - closed 9995 (time 1761288697.31 total 50.01 last 187.39)
 - closed 10000 (time 1761288697.33 total 50.03 last 256.87)
 - closed 11919 (time 1761288707.34 total 60.04 last 191.72)
 - closed 13984 (time 1761288717.34 total 70.04 last 206.46)
total: 14966 close in 74.45 seconds: 201.03 close/second
 - unlinked 0 (time 1761288724 ; total 0 ; last 0)
 - unlinked 10000 (time 1761288788 ; total 64 ; last 64)
unlink(/mnt/lustre/d51f.sanity/f14966) error: No such file or directory
total: 14966 unlinks in 93 seconds: 160.924728 unlinks/second