== sanity test 51f: check many open files limit ========== 14:19:07 (1788891547)
MDT0 numfree=541201, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2582 (time 1788891559.36 total 10.00 last 258.14)
 - open/keep 4793 (time 1788891569.36 total 20.00 last 221.07)
 - open/keep 7260 (time 1788891579.36 total 30.00 last 246.69)
 - open/keep 9513 (time 1788891589.36 total 40.01 last 225.22)
 - open/keep 10000 (time 1788891591.73 total 42.37 last 206.24)
 - open/keep 12098 (time 1788891601.73 total 52.37 last 209.74)
 - open/keep 14290 (time 1788891611.73 total 62.37 last 219.20)
 - open/keep 16577 (time 1788891621.73 total 72.37 last 228.68)
 - open/keep 18476 (time 1788891631.73 total 82.37 last 189.87)
 - open/keep 20000 (time 1788891640.27 total 90.91 last 178.54)
 - open/keep 21753 (time 1788891650.27 total 100.91 last 175.23)
 - open/keep 23666 (time 1788891660.28 total 110.92 last 191.21)
total: 25378 open/keep in 120.00 seconds: 211.48 ops/second
 - closed 3620 (time 1788891679.36 total 10.00 last -2004.50)
 - closed 7236 (time 1788891689.36 total 20.00 last 361.45)
 - closed 10000 (time 1788891696.32 total 26.96 last 397.50)
 - closed 13760 (time 1788891706.32 total 36.96 last 375.84)
 - closed 17567 (time 1788891716.32 total 46.97 last 380.53)
 - closed 20000 (time 1788891722.68 total 53.32 last 382.75)
 - closed 23852 (time 1788891732.68 total 63.33 last 385.14)
total: 25378 close in 66.83 seconds: 379.73 close/second
 - unlinked 0 (time 1788891738 ; total 0 ; last 0)
 - unlinked 10000 (time 1788891773 ; total 35 ; last 35)
 - unlinked 20000 (time 1788891807 ; total 69 ; last 34)
unlink(/mnt/lustre/d51f.sanity/f25378) error: No such file or directory
total: 25378 unlinks in 87 seconds: 291.701141 unlinks/second