== sanity test 51f: check many open files limit ========== 19:47:44 (1781221664)
striped dir -i1 -c2 -H crush  /mnt/lustre/d51f.sanity
MDT1 numfree=    1022026, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1297 (time 1781221678.83 total 10.00 last 129.66)
 - open/keep 2590 (time 1781221688.84 total 20.01 last 129.23)
 - open/keep 3889 (time 1781221698.84 total 30.01 last 129.89)
 - open/keep 5513 (time 1781221708.84 total 40.01 last 162.39)
 - open/keep 6933 (time 1781221718.84 total 50.01 last 141.93)
 - open/keep 8305 (time 1781221728.85 total 60.02 last 137.10)
 - open/keep 9501 (time 1781221738.86 total 70.03 last 119.54)
 - open/keep 10000 (time 1781221741.88 total 73.05 last 165.17)
 - open/keep 11674 (time 1781221751.88 total 83.05 last 167.36)
 - open/keep 13157 (time 1781221761.88 total 93.05 last 148.28)
 - open/keep 14544 (time 1781221771.88 total 103.05 last 138.69)
 - open/keep 16056 (time 1781221781.89 total 113.06 last 151.04)
total: 16960 open/keep in 120.00 seconds: 141.33 ops/second
 - closed 1908 (time 1781221798.85 total 10.02 last -1411.50)
 - closed 3773 (time 1781221808.86 total 20.03 last 186.45)
 - closed 5792 (time 1781221818.86 total 30.03 last 201.85)
 - closed 7753 (time 1781221828.87 total 40.03 last 195.99)
 - closed 9844 (time 1781221838.88 total 50.05 last 208.82)
 - closed 10000 (time 1781221839.61 total 50.78 last 212.47)
 - closed 12123 (time 1781221849.62 total 60.78 last 212.25)
 - closed 14087 (time 1781221859.62 total 70.79 last 196.38)
 - closed 16455 (time 1781221869.62 total 80.79 last 236.76)
total: 16960 close in 83.06 seconds: 204.18 close/second
 - unlinked 0 (time 1781221877 ; total 0 ; last 0)
 - unlinked 10000 (time 1781221944 ; total 67 ; last 67)
unlink(/mnt/lustre/d51f.sanity/f16960) error: No such file or directory
total: 16960 unlinks in 117 seconds: 144.957260 unlinks/second