== sanity test 51f: check many open files limit ========== 18:20:04 (1780525204)
striped dir -i1 -c1 -H crush2  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=     492959, max=100000
changed ulimit from 1024 to 100100
 - open/keep 2667 (time 1780525216.79 total 10.00 last 266.67)
 - open/keep 5414 (time 1780525226.79 total 20.00 last 274.69)
 - open/keep 8381 (time 1780525236.79 total 30.00 last 296.61)
 - open/keep 10000 (time 1780525242.38 total 35.59 last 289.78)
 - open/keep 12711 (time 1780525252.38 total 45.59 last 271.10)
 - open/keep 15274 (time 1780525262.38 total 55.59 last 256.29)
 - open/keep 17844 (time 1780525272.38 total 65.60 last 256.92)
 - open/keep 20000 (time 1780525280.80 total 74.01 last 256.10)
 - open/keep 22690 (time 1780525290.81 total 84.02 last 268.92)
 - open/keep 25427 (time 1780525300.81 total 94.02 last 273.68)
 - open/keep 27936 (time 1780525310.81 total 104.02 last 250.79)
 - open/keep 30000 (time 1780525318.70 total 111.91 last 261.60)
total: 32137 open/keep in 120.00 seconds: 267.81 ops/second
 - closed 4980 (time 1780525336.79 total 10.00 last -2501.53)
 - closed 10000 (time 1780525346.29 total 19.50 last 528.63)
 - closed 16749 (time 1780525356.29 total 29.50 last 674.85)
 - closed 20000 (time 1780525361.99 total 35.20 last 570.69)
 - closed 25476 (time 1780525371.99 total 45.20 last 547.59)
 - closed 30000 (time 1780525379.11 total 52.32 last 635.12)
total: 32137 close in 56.91 seconds: 564.75 close/second
 - unlinked 0 (time 1780525388 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525416 ; total 28 ; last 28)
 - unlinked 20000 (time 1780525438 ; total 50 ; last 22)
 - unlinked 30000 (time 1780525457 ; total 69 ; last 19)
unlink(/mnt/lustre/d51f.sanity/f32137) error: No such file or directory
total: 32137 unlinks in 72 seconds: 446.347229 unlinks/second