== sanity test 51f: check many open files limit ========== 03:40:09 (1788334809)
MDT0 numfree=528757, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1200 (time 1788334823.25 total 10.01 last 119.88)
 - open/keep 2374 (time 1788334833.25 total 20.01 last 117.38)
 - open/keep 3618 (time 1788334843.26 total 30.02 last 124.35)
 - open/keep 4844 (time 1788334853.26 total 40.02 last 122.56)
 - open/keep 6014 (time 1788334863.26 total 50.02 last 116.98)
 - open/keep 7223 (time 1788334873.28 total 60.03 last 120.75)
 - open/keep 8401 (time 1788334883.28 total 70.04 last 117.75)
 - open/keep 9493 (time 1788334893.28 total 80.04 last 109.18)
 - open/keep 10000 (time 1788334898.19 total 84.95 last 103.33)
 - open/keep 11186 (time 1788334908.19 total 94.95 last 118.56)
 - open/keep 12320 (time 1788334918.20 total 104.96 last 113.31)
 - open/keep 13408 (time 1788334928.20 total 114.96 last 108.78)
total: 13987 open/keep in 120.00 seconds: 116.56 ops/second
 - closed 1871 (time 1788334943.25 total 10.00 last -1153.29)
 - closed 3852 (time 1788334953.25 total 20.01 last 197.99)
 - closed 5915 (time 1788334963.25 total 30.01 last 206.25)
 - closed 7904 (time 1788334973.25 total 40.01 last 198.89)
 - closed 10000 (time 1788334983.22 total 49.97 last 210.42)
 - closed 12049 (time 1788334993.22 total 59.98 last 204.80)
 - closed 13940 (time 1788335003.22 total 69.98 last 189.03)
total: 13987 close in 70.28 seconds: 199.02 close/second
 - unlinked 0 (time 1788335007 ; total 0 ; last 0)
 - unlinked 10000 (time 1788335086 ; total 79 ; last 79)
unlink(/mnt/lustre/d51f.sanity/f13987) error: No such file or directory
total: 13987 unlinks in 109 seconds: 128.321106 unlinks/second