== sanity test 51f: check many open files limit ========== 11:58:44 (1781625524)
MDT0 numfree=     533094, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2235 (time 1781625535.90 total 10.00 last 223.45)
 - open/keep 4396 (time 1781625545.90 total 20.01 last 215.98)
 - open/keep 6694 (time 1781625555.91 total 30.01 last 229.71)
 - open/keep 8915 (time 1781625565.91 total 40.01 last 222.06)
 - open/keep 10000 (time 1781625570.53 total 44.63 last 234.82)
 - open/keep 12086 (time 1781625580.53 total 54.64 last 208.54)
 - open/keep 14192 (time 1781625590.53 total 64.64 last 210.55)
 - open/keep 16472 (time 1781625600.54 total 74.64 last 227.95)
 - open/keep 18518 (time 1781625610.54 total 84.64 last 204.54)
 - open/keep 20000 (time 1781625617.39 total 91.50 last 216.32)
 - open/keep 22023 (time 1781625627.39 total 101.50 last 202.29)
 - open/keep 24059 (time 1781625637.39 total 111.50 last 203.52)
total: 25890 open/keep in 120.00 seconds: 215.75 ops/second
 - closed 3427 (time 1781625655.90 total 10.00 last -2062.55)
 - closed 7334 (time 1781625665.90 total 20.00 last 390.68)
 - closed 10000 (time 1781625671.87 total 25.97 last 446.75)
 - closed 13827 (time 1781625681.87 total 35.97 last 382.58)
 - closed 18217 (time 1781625691.87 total 45.98 last 438.97)
 - closed 20000 (time 1781625695.33 total 49.43 last 515.75)
 - closed 25231 (time 1781625705.33 total 59.43 last 523.05)
total: 25890 close in 61.28 seconds: 422.50 close/second
 - unlinked 0 (time 1781625709 ; total 0 ; last 0)
 - unlinked 10000 (time 1781625743 ; total 34 ; last 34)
 - unlinked 20000 (time 1781625770 ; total 61 ; last 27)
unlink(/mnt/lustre/d51f.sanity/f25890) error: No such file or directory
total: 25890 unlinks in 78 seconds: 331.923065 unlinks/second