== sanity test 51f: check many open files limit ========== 03:00:41 (1727766041)
MDT0 numfree=491646, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1884 (time 1727766053.25 total 10.02 last 188.08)
 - open/keep 3729 (time 1727766063.26 total 20.03 last 184.34)
 - open/keep 5502 (time 1727766073.26 total 30.03 last 177.30)
 - open/keep 7277 (time 1727766083.26 total 40.03 last 177.47)
 - open/keep 9271 (time 1727766093.27 total 50.03 last 199.28)
 - open/keep 10000 (time 1727766096.70 total 53.46 last 212.53)
 - open/keep 11913 (time 1727766106.70 total 63.47 last 191.24)
 - open/keep 13819 (time 1727766116.71 total 73.47 last 190.52)
 - open/keep 15940 (time 1727766126.71 total 83.48 last 211.99)
 - open/keep 18259 (time 1727766136.71 total 93.48 last 231.86)
 - open/keep 20000 (time 1727766145.28 total 102.05 last 203.17)
 - open/keep 22097 (time 1727766155.29 total 112.05 last 209.66)
total: 23885 open/keep in 120.00 seconds: 199.04 ops/second
 - closed 3865 (time 1727766173.24 total 10.00 last -1822.77)
 - closed 8983 (time 1727766183.24 total 20.00 last 511.77)
 - closed 10000 (time 1727766184.70 total 21.46 last 698.02)
 - closed 15145 (time 1727766194.70 total 31.46 last 514.49)
 - closed 19303 (time 1727766204.70 total 41.46 last 415.76)
 - closed 20000 (time 1727766206.51 total 43.27 last 384.25)
total: 23885 close in 52.72 seconds: 453.07 close/second
 - unlinked 0 (time 1727766217 ; total 0 ; last 0)
 - unlinked 10000 (time 1727766250 ; total 33 ; last 33)
 - unlinked 20000 (time 1727766286 ; total 69 ; last 36)
unlink(/mnt/lustre/d51f.sanity/f23885) error: No such file or directory
total: 23885 unlinks in 81 seconds: 294.876556 unlinks/second