== sanity test 51f: check many open files limit ========== 02:32:58 (1787121178)
MDT0 numfree=     531987, max=100000
changed ulimit from 1024 to 100020
 - open/keep 895 (time 1787121193.21 total 10.00 last 89.46)
 - open/keep 1814 (time 1787121203.22 total 20.01 last 91.80)
 - open/keep 2766 (time 1787121213.24 total 30.03 last 95.07)
 - open/keep 3774 (time 1787121223.24 total 40.03 last 100.78)
 - open/keep 4768 (time 1787121233.24 total 50.03 last 99.36)
 - open/keep 5728 (time 1787121243.25 total 60.04 last 95.95)
 - open/keep 6678 (time 1787121253.25 total 70.05 last 94.93)
 - open/keep 7680 (time 1787121263.26 total 80.06 last 100.11)
 - open/keep 8748 (time 1787121273.26 total 90.06 last 106.80)
 - open/keep 9705 (time 1787121283.27 total 100.06 last 95.66)
 - open/keep 10000 (time 1787121286.13 total 102.92 last 103.09)
 - open/keep 11053 (time 1787121296.13 total 112.92 last 105.28)
total: 11776 open/keep in 120.01 seconds: 98.13 ops/second
 - closed 1694 (time 1787121313.22 total 10.01 last -935.16)
 - closed 3438 (time 1787121323.22 total 20.01 last 174.40)
 - closed 5013 (time 1787121333.23 total 30.01 last 157.40)
 - closed 6479 (time 1787121343.23 total 40.02 last 146.58)
 - closed 8224 (time 1787121353.23 total 50.02 last 174.49)
 - closed 10000 (time 1787121362.76 total 59.55 last 186.31)
total: 11776 close in 68.32 seconds: 172.37 close/second
 - unlinked 0 (time 1787121376 ; total 0 ; last 0)
 - unlinked 10000 (time 1787121478 ; total 102 ; last 102)
unlink(/mnt/lustre/d51f.sanity/f11776) error: No such file or directory
total: 11776 unlinks in 119 seconds: 98.957985 unlinks/second