== sanity test 51f: check many open files limit ========== 10:17:22 (1788617842)
MDT0 numfree=531852, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1376 (time 1788617858.27 total 10.00 last 137.57)
 - open/keep 2662 (time 1788617868.28 total 20.01 last 128.56)
 - open/keep 4113 (time 1788617878.29 total 30.02 last 144.91)
 - open/keep 5287 (time 1788617888.29 total 40.02 last 117.37)
 - open/keep 6608 (time 1788617898.30 total 50.03 last 132.04)
 - open/keep 7870 (time 1788617908.30 total 60.03 last 126.19)
 - open/keep 9079 (time 1788617918.30 total 70.03 last 120.90)
 - open/keep 10000 (time 1788617924.95 total 76.68 last 138.39)
 - open/keep 11422 (time 1788617934.96 total 86.69 last 142.14)
 - open/keep 12781 (time 1788617944.96 total 96.69 last 135.85)
 - open/keep 14033 (time 1788617954.96 total 106.69 last 125.16)
 - open/keep 15162 (time 1788617964.97 total 116.69 last 112.88)
total: 15532 open/keep in 120.00 seconds: 129.43 ops/second
 - closed 2423 (time 1788617978.27 total 10.00 last -1273.58)
 - closed 4669 (time 1788617988.29 total 20.02 last 224.17)
 - closed 6915 (time 1788617998.29 total 30.02 last 224.59)
 - closed 9469 (time 1788618008.30 total 40.02 last 255.38)
 - closed 10000 (time 1788618010.11 total 41.84 last 292.28)
 - closed 12533 (time 1788618020.11 total 51.84 last 253.25)
 - closed 14601 (time 1788618030.12 total 61.84 last 206.76)
total: 15532 close in 66.64 seconds: 233.07 close/second
 - unlinked 0 (time 1788618039 ; total 0 ; last 0)
 - unlinked 10000 (time 1788618115 ; total 76 ; last 76)
unlink(/mnt/lustre/d51f.sanity/f15532) error: No such file or directory
total: 15532 unlinks in 122 seconds: 127.311478 unlinks/second