== sanity test 51f: check many open files limit ========== 17:07:20 (1786568840)
MDT0 numfree=     536024, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1241 (time 1786568853.95 total 10.00 last 124.08)
 - open/keep 2539 (time 1786568863.96 total 20.01 last 129.73)
 - open/keep 3943 (time 1786568873.96 total 30.01 last 140.37)
 - open/keep 5318 (time 1786568883.96 total 40.01 last 137.50)
 - open/keep 6667 (time 1786568893.97 total 50.02 last 134.69)
 - open/keep 8053 (time 1786568903.98 total 60.03 last 138.56)
 - open/keep 9546 (time 1786568913.99 total 70.04 last 149.12)
 - open/keep 10000 (time 1786568916.84 total 72.89 last 159.08)
 - open/keep 11441 (time 1786568926.85 total 82.90 last 144.04)
 - open/keep 12917 (time 1786568936.85 total 92.90 last 147.53)
 - open/keep 14278 (time 1786568946.86 total 102.91 last 136.01)
 - open/keep 15844 (time 1786568956.86 total 112.91 last 156.59)
total: 16877 open/keep in 120.00 seconds: 140.64 ops/second
 - closed 2604 (time 1786568973.95 total 10.00 last -1323.68)
 - closed 5022 (time 1786568983.96 total 20.01 last 241.71)
 - closed 7406 (time 1786568993.96 total 30.01 last 238.33)
 - closed 9985 (time 1786569003.96 total 40.01 last 257.82)
 - closed 10000 (time 1786569004.01 total 40.06 last 313.68)
 - closed 12689 (time 1786569014.02 total 50.06 last 268.83)
 - closed 15344 (time 1786569024.02 total 60.06 last 265.47)
total: 16877 close in 65.89 seconds: 256.13 close/second
 - unlinked 0 (time 1786569032 ; total 0 ; last 0)
 - unlinked 10000 (time 1786569101 ; total 69 ; last 69)
unlink(/mnt/lustre/d51f.sanity/f16877) error: No such file or directory
total: 16877 unlinks in 109 seconds: 154.834869 unlinks/second