== sanity test 51f: check many open files limit ========== 02:59:14 (1779692354)
MDT0 numfree=     544637, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1366 (time 1779692369.22 total 10.00 last 136.59)
 - open/keep 2869 (time 1779692379.22 total 20.00 last 150.29)
 - open/keep 4214 (time 1779692389.22 total 30.00 last 134.50)
 - open/keep 5589 (time 1779692399.22 total 40.01 last 137.38)
 - open/keep 7053 (time 1779692409.23 total 50.01 last 146.33)
 - open/keep 8545 (time 1779692419.24 total 60.02 last 149.12)
 - open/keep 10000 (time 1779692428.97 total 69.76 last 149.43)
 - open/keep 11492 (time 1779692438.98 total 79.76 last 149.13)
 - open/keep 12918 (time 1779692448.98 total 89.76 last 142.60)
 - open/keep 14327 (time 1779692458.98 total 99.76 last 140.87)
 - open/keep 15731 (time 1779692469.00 total 109.79 last 140.05)
 - open/keep 17166 (time 1779692479.01 total 119.79 last 143.47)
total: 17201 open/keep in 120.01 seconds: 143.33 ops/second
 - closed 2836 (time 1779692489.22 total 10.00 last -1432.99)
 - closed 5646 (time 1779692499.23 total 20.00 last 280.90)
 - closed 8407 (time 1779692509.23 total 30.01 last 275.98)
 - closed 10000 (time 1779692514.78 total 35.56 last 286.80)
 - closed 12277 (time 1779692524.79 total 45.56 last 227.66)
 - closed 14009 (time 1779692534.80 total 55.58 last 172.98)
 - closed 16400 (time 1779692544.80 total 65.58 last 239.00)
total: 17201 close in 68.68 seconds: 250.43 close/second
 - unlinked 0 (time 1779692551 ; total 0 ; last 0)
 - unlinked 10000 (time 1779692625 ; total 74 ; last 74)
unlink(/mnt/lustre/d51f.sanity/f17201) error: No such file or directory
total: 17201 unlinks in 126 seconds: 136.515869 unlinks/second