== sanity test 51f: check many open files limit ========== 12:08:14 (1788883694)
MDT0 numfree=534875, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2728 (time 1788883706.62 total 10.00 last 272.68)
 - open/keep 5916 (time 1788883716.62 total 20.01 last 318.74)
 - open/keep 8929 (time 1788883726.62 total 30.01 last 301.23)
 - open/keep 10000 (time 1788883730.42 total 33.81 last 281.86)
 - open/keep 12998 (time 1788883740.43 total 43.81 last 299.73)
 - open/keep 15479 (time 1788883750.43 total 53.81 last 248.07)
 - open/keep 18159 (time 1788883760.43 total 63.81 last 267.97)
 - open/keep 20000 (time 1788883767.45 total 70.84 last 262.14)
 - open/keep 22563 (time 1788883777.45 total 80.84 last 256.23)
 - open/keep 25004 (time 1788883787.46 total 90.84 last 243.98)
 - open/keep 27464 (time 1788883797.46 total 100.85 last 245.91)
 - open/keep 29970 (time 1788883807.46 total 110.85 last 250.59)
total: 32347 open/keep in 120.00 seconds: 269.55 ops/second
 - closed 3973 (time 1788883826.62 total 10.00 last -2599.04)
 - closed 7931 (time 1788883836.62 total 20.00 last 395.74)
 - closed 10000 (time 1788883841.80 total 25.19 last 399.22)
 - closed 14375 (time 1788883851.81 total 35.19 last 437.44)
 - closed 19844 (time 1788883861.81 total 45.19 last 546.79)
 - closed 20000 (time 1788883862.07 total 45.45 last 592.53)
 - closed 24875 (time 1788883872.07 total 55.45 last 487.50)
 - closed 29402 (time 1788883882.07 total 65.45 last 452.69)
 - closed 30000 (time 1788883883.07 total 66.46 last 595.50)
total: 32347 close in 70.70 seconds: 457.55 close/second
 - unlinked 0 (time 1788883888 ; total 0 ; last 0)
 - unlinked 10000 (time 1788883918 ; total 30 ; last 30)
 - unlinked 20000 (time 1788883948 ; total 60 ; last 30)
 - unlinked 30000 (time 1788883975 ; total 87 ; last 27)
unlink(/mnt/lustre/d51f.sanity/f32347) error: No such file or directory
total: 32347 unlinks in 93 seconds: 347.817200 unlinks/second