== sanity test 51f: check many open files limit ========== 01:07:17 (1788671237)
MDT0 numfree=525527, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1228 (time 1788671252.09 total 10.01 last 122.69)
 - open/keep 2732 (time 1788671262.10 total 20.01 last 150.38)
 - open/keep 4139 (time 1788671272.10 total 30.01 last 140.65)
 - open/keep 5424 (time 1788671282.11 total 40.02 last 128.38)
 - open/keep 6781 (time 1788671292.13 total 50.05 last 135.34)
 - open/keep 8130 (time 1788671302.14 total 60.05 last 134.85)
 - open/keep 9312 (time 1788671312.14 total 70.06 last 118.17)
 - open/keep 10000 (time 1788671317.23 total 75.14 last 135.27)
 - open/keep 11368 (time 1788671327.23 total 85.15 last 136.74)
 - open/keep 12783 (time 1788671337.24 total 95.15 last 141.42)
 - open/keep 14126 (time 1788671347.25 total 105.16 last 134.15)
 - open/keep 15249 (time 1788671357.25 total 115.17 last 112.23)
total: 15955 open/keep in 120.01 seconds: 132.94 ops/second
 - closed 2437 (time 1788671372.10 total 10.01 last -1280.55)
 - closed 5154 (time 1788671382.10 total 20.01 last 271.67)
 - closed 7565 (time 1788671392.10 total 30.01 last 241.09)
 - closed 10000 (time 1788671401.29 total 39.20 last 264.99)
 - closed 12337 (time 1788671411.29 total 49.20 last 233.67)
 - closed 14972 (time 1788671421.30 total 59.20 last 263.44)
total: 15955 close in 63.17 seconds: 252.58 close/second
 - unlinked 0 (time 1788671429 ; total 0 ; last 0)
 - unlinked 10000 (time 1788671501 ; total 72 ; last 72)
unlink(/mnt/lustre/d51f.sanity/f15955) error: No such file or directory
total: 15955 unlinks in 113 seconds: 141.194687 unlinks/second