== sanity test 51f: check many open files limit ========== 15:23:14 (1780341794)
MDT0 numfree=     532556, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1565 (time 1780341808.07 total 10.01 last 156.40)
 - open/keep 3410 (time 1780341818.07 total 20.01 last 184.47)
 - open/keep 4988 (time 1780341828.07 total 30.01 last 157.79)
 - open/keep 6709 (time 1780341838.07 total 40.01 last 172.03)
 - open/keep 8373 (time 1780341848.07 total 50.01 last 166.36)
 - open/keep 10000 (time 1780341857.67 total 59.61 last 169.51)
 - open/keep 11632 (time 1780341867.67 total 69.61 last 163.17)
 - open/keep 13360 (time 1780341877.68 total 79.62 last 172.73)
 - open/keep 14858 (time 1780341887.68 total 89.62 last 149.72)
 - open/keep 16449 (time 1780341897.68 total 99.63 last 159.06)
 - open/keep 18031 (time 1780341907.69 total 109.63 last 158.15)
 - open/keep 19571 (time 1780341917.69 total 119.63 last 153.96)
total: 19628 open/keep in 120.00 seconds: 163.56 ops/second
 - closed 2590 (time 1780341928.07 total 10.00 last -1697.55)
 - closed 5366 (time 1780341938.07 total 20.00 last 277.56)
 - closed 8742 (time 1780341948.07 total 30.00 last 337.59)
 - closed 10000 (time 1780341952.51 total 34.45 last 283.11)
 - closed 12935 (time 1780341962.51 total 44.45 last 293.40)
 - closed 15956 (time 1780341972.51 total 54.45 last 302.09)
 - closed 19087 (time 1780341982.52 total 64.45 last 313.07)
total: 19628 close in 66.15 seconds: 296.73 close/second
 - unlinked 0 (time 1780341986 ; total 0 ; last 0)
 - unlinked 10000 (time 1780342044 ; total 58 ; last 58)
unlink(/mnt/lustre/d51f.sanity/f19628) error: No such file or directory
total: 19628 unlinks in 112 seconds: 175.250000 unlinks/second