== sanity test 51f: check many open files limit ========== 22:02:15 (1781229735)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d51f.sanity
MDT1 numfree=    1021968, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3050 (time 1781229747.89 total 10.00 last 304.93)
 - open/keep 5583 (time 1781229757.89 total 20.00 last 253.26)
 - open/keep 8344 (time 1781229767.90 total 30.01 last 275.92)
 - open/keep 10000 (time 1781229773.50 total 35.61 last 295.80)
 - open/keep 14321 (time 1781229783.50 total 45.61 last 432.07)
 - open/keep 17479 (time 1781229793.50 total 55.61 last 315.78)
 - open/keep 20000 (time 1781229802.66 total 64.78 last 275.02)
 - open/keep 23744 (time 1781229812.67 total 74.78 last 374.34)
 - open/keep 27611 (time 1781229822.67 total 84.78 last 386.70)
 - open/keep 30000 (time 1781229828.99 total 91.11 last 377.55)
 - open/keep 33246 (time 1781229838.99 total 101.11 last 324.58)
 - open/keep 35791 (time 1781229849.00 total 111.11 last 254.38)
total: 37870 open/keep in 120.00 seconds: 315.57 ops/second
 - closed 3958 (time 1781229867.89 total 10.00 last -3182.63)
 - closed 8239 (time 1781229877.89 total 20.00 last 428.05)
 - closed 10000 (time 1781229882.01 total 24.12 last 427.76)
 - closed 15806 (time 1781229892.01 total 34.12 last 580.45)
 - closed 20000 (time 1781229899.71 total 41.82 last 545.17)
 - closed 26361 (time 1781229909.71 total 51.82 last 636.10)
 - closed 30000 (time 1781229915.52 total 57.63 last 626.03)
 - closed 34518 (time 1781229925.52 total 67.63 last 451.74)
total: 37870 close in 75.75 seconds: 499.95 close/second
 - unlinked 0 (time 1781229935 ; total 0 ; last 0)
 - unlinked 10000 (time 1781229970 ; total 35 ; last 35)
 - unlinked 20000 (time 1781230004 ; total 69 ; last 34)
 - unlinked 30000 (time 1781230044 ; total 109 ; last 40)
unlink(/mnt/lustre/d51f.sanity/f37870) error: No such file or directory
total: 37870 unlinks in 132 seconds: 286.893951 unlinks/second