== sanity test 51f: check many open files limit ========== 00:16:44 (1773202604)
MDT0 numfree=     485970 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1341 (time 1773202618.88 total 10.01 last 133.98)
 - open/keep 2494 (time 1773202628.88 total 20.01 last 115.28)
 - open/keep 3679 (time 1773202638.89 total 30.02 last 118.39)
 - open/keep 4984 (time 1773202648.89 total 40.02 last 130.48)
 - open/keep 6274 (time 1773202658.89 total 50.02 last 128.95)
 - open/keep 7599 (time 1773202668.90 total 60.03 last 132.48)
 - open/keep 8551 (time 1773202678.90 total 70.03 last 95.17)
 - open/keep 9626 (time 1773202688.90 total 80.03 last 107.50)
 - open/keep 10000 (time 1773202691.69 total 82.82 last 133.98)
 - open/keep 11262 (time 1773202701.69 total 92.82 last 126.16)
 - open/keep 12475 (time 1773202711.70 total 102.83 last 121.28)
 - open/keep 13786 (time 1773202721.70 total 112.84 last 130.98)
total: 14585 open/keep in 120.00 seconds: 121.54 ops/second
 - closed 1506 (time 1773202738.88 total 10.01 last -1227.23)
 - closed 3150 (time 1773202748.88 total 20.01 last 164.39)
 - closed 5590 (time 1773202758.89 total 30.02 last 243.80)
 - closed 8004 (time 1773202768.90 total 40.03 last 241.07)
 - closed 9995 (time 1773202778.90 total 50.03 last 199.00)
 - closed 10000 (time 1773202778.95 total 50.08 last 109.03)
 - closed 11706 (time 1773202788.96 total 60.09 last 170.43)
 - closed 13563 (time 1773202798.97 total 70.10 last 185.57)
total: 14585 close in 75.02 seconds: 194.43 close/second
 - unlinked 0 (time 1773202808 ; total 0 ; last 0)
 - unlinked 10000 (time 1773202879 ; total 71 ; last 71)
unlink(/mnt/lustre/d51f.sanity/f14585) error: No such file or directory
total: 14585 unlinks in 108 seconds: 135.046295 unlinks/second