== sanity test 51f: check many open files limit ========== 22:17:17 (1788920237)
MDT0 numfree=531479, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1938 (time 1788920250.32 total 10.01 last 193.65)
 - open/keep 3421 (time 1788920260.32 total 20.01 last 148.29)
 - open/keep 4422 (time 1788920270.37 total 30.06 last 99.58)
 - open/keep 5413 (time 1788920280.38 total 40.06 last 99.06)
 - open/keep 6332 (time 1788920290.39 total 50.08 last 91.80)
 - open/keep 7173 (time 1788920300.42 total 60.11 last 83.85)
 - open/keep 7918 (time 1788920310.43 total 70.12 last 74.40)
 - open/keep 9013 (time 1788920320.43 total 80.12 last 109.49)
 - open/keep 10000 (time 1788920328.94 total 88.62 last 116.07)
 - open/keep 11167 (time 1788920338.96 total 98.64 last 116.47)
 - open/keep 12477 (time 1788920348.96 total 108.65 last 130.97)
 - open/keep 13680 (time 1788920358.96 total 118.65 last 120.27)
total: 13859 open/keep in 120.01 seconds: 115.48 ops/second
 - closed 2253 (time 1788920370.32 total 10.00 last -1142.44)
 - closed 4448 (time 1788920380.32 total 20.00 last 219.49)
 - closed 6283 (time 1788920390.33 total 30.01 last 183.35)
 - closed 8339 (time 1788920400.34 total 40.02 last 205.49)
 - closed 10000 (time 1788920407.90 total 47.58 last 219.64)
 - closed 12352 (time 1788920417.91 total 57.58 last 235.09)
total: 13859 close in 63.93 seconds: 216.80 close/second
 - unlinked 0 (time 1788920428 ; total 0 ; last 0)
 - unlinked 10000 (time 1788920510 ; total 82 ; last 82)
unlink(/mnt/lustre/d51f.sanity/f13859) error: No such file or directory
total: 13859 unlinks in 111 seconds: 124.855858 unlinks/second