== sanity test 51f: check many open files limit ========== 01:17:12 (1781241432)
MDT0 numfree=     542753, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1287 (time 1781241445.95 total 10.01 last 128.57)
 - open/keep 2514 (time 1781241455.95 total 20.01 last 122.67)
 - open/keep 3685 (time 1781241465.95 total 30.01 last 117.08)
 - open/keep 4871 (time 1781241475.95 total 40.02 last 118.54)
 - open/keep 6084 (time 1781241485.96 total 50.02 last 121.28)
 - open/keep 7175 (time 1781241495.96 total 60.02 last 109.06)
 - open/keep 8397 (time 1781241505.98 total 70.05 last 121.92)
 - open/keep 9552 (time 1781241515.99 total 80.05 last 115.44)
 - open/keep 10000 (time 1781241519.83 total 83.90 last 116.56)
 - open/keep 11310 (time 1781241529.84 total 93.90 last 130.93)
 - open/keep 12556 (time 1781241539.84 total 103.90 last 124.55)
 - open/keep 13812 (time 1781241549.84 total 113.90 last 125.60)
total: 14616 open/keep in 120.01 seconds: 121.79 ops/second
 - closed 2307 (time 1781241565.95 total 10.00 last -1150.04)
 - closed 4519 (time 1781241575.95 total 20.01 last 221.11)
 - closed 6709 (time 1781241585.95 total 30.01 last 218.95)
 - closed 9078 (time 1781241595.96 total 40.02 last 236.76)
 - closed 10000 (time 1781241599.88 total 43.93 last 235.33)
 - closed 12303 (time 1781241609.88 total 53.94 last 230.24)
 - closed 14540 (time 1781241619.88 total 63.94 last 223.61)
total: 14616 close in 64.37 seconds: 227.05 close/second
 - unlinked 0 (time 1781241624 ; total 0 ; last 0)
 - unlinked 10000 (time 1781241711 ; total 87 ; last 87)
unlink(/mnt/lustre/d51f.sanity/f14616) error: No such file or directory
total: 14616 unlinks in 126 seconds: 116.000000 unlinks/second