== sanity test 51f: check many open files limit ========== 08:54:14 (1787835254)
MDT0 numfree=    1022915, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1274 (time 1787835268.76 total 10.00 last 127.37)
 - open/keep 2685 (time 1787835278.77 total 20.01 last 141.01)
 - open/keep 4132 (time 1787835288.78 total 30.02 last 144.60)
 - open/keep 5520 (time 1787835298.78 total 40.02 last 138.80)
 - open/keep 6932 (time 1787835308.79 total 50.03 last 140.97)
 - open/keep 8343 (time 1787835318.80 total 60.03 last 141.06)
 - open/keep 9856 (time 1787835328.80 total 70.04 last 151.29)
 - open/keep 11233 (time 1787835338.81 total 80.04 last 137.60)
 - open/keep 12739 (time 1787835348.81 total 90.05 last 150.50)
 - open/keep 14098 (time 1787835358.81 total 100.05 last 135.90)
 - open/keep 15198 (time 1787835368.81 total 110.05 last 109.98)
total: 16001 open/keep in 120.01 seconds: 133.34 ops/second
 - closed 1971 (time 1787835388.77 total 10.00 last -1322.61)
 - closed 3757 (time 1787835398.77 total 20.00 last 178.55)
 - closed 6159 (time 1787835408.78 total 30.01 last 240.13)
 - closed 8522 (time 1787835418.78 total 40.01 last 236.24)
 - closed 10000 (time 1787835424.34 total 45.57 last 265.73)
 - closed 12231 (time 1787835434.35 total 55.58 last 222.98)
 - closed 14486 (time 1787835444.35 total 65.58 last 225.47)
total: 16001 close in 71.78 seconds: 222.92 close/second
 - unlinked 0 (time 1787835455 ; total 0 ; last 0)
 - unlinked 10000 (time 1787835522 ; total 67 ; last 67)
unlink(/mnt/lustre/d51f.sanity/f16001) error: No such file or directory
total: 16001 unlinks in 112 seconds: 142.866074 unlinks/second