== sanity test 51f: check many open files limit ========== 20:59:12 (1781225952)
MDT0 numfree=     532660, max=100000
changed ulimit from 1024 to 100020
 - open/keep 985 (time 1781225968.19 total 10.00 last 98.46)
 - open/keep 1905 (time 1781225978.20 total 20.01 last 91.91)
 - open/keep 2643 (time 1781225988.20 total 30.02 last 73.75)
 - open/keep 3432 (time 1781225998.21 total 40.03 last 78.87)
 - open/keep 4051 (time 1781226008.22 total 50.04 last 61.80)
 - open/keep 4814 (time 1781226018.23 total 60.05 last 76.24)
 - open/keep 5714 (time 1781226028.23 total 70.05 last 89.98)
 - open/keep 6702 (time 1781226038.24 total 80.06 last 98.69)
 - open/keep 7444 (time 1781226048.26 total 90.08 last 74.09)
 - open/keep 8257 (time 1781226058.26 total 100.08 last 81.26)
 - open/keep 9137 (time 1781226068.26 total 110.08 last 87.98)
total: 9962 open/keep in 120.01 seconds: 83.01 ops/second
 - closed 1868 (time 1781226088.20 total 10.00 last -726.59)
 - closed 3716 (time 1781226098.20 total 20.01 last 184.75)
 - closed 5586 (time 1781226108.23 total 30.03 last 186.50)
 - closed 7250 (time 1781226118.23 total 40.03 last 166.40)
 - closed 9479 (time 1781226128.23 total 50.03 last 222.89)
total: 9962 close in 52.47 seconds: 189.86 close/second
 - unlinked 0 (time 1781226135 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9962) error: No such file or directory
total: 9962 unlinks in 112 seconds: 88.946426 unlinks/second