== sanity test 51f: check many open files limit ========== 06:31:24 (1783074684)
MDT0 numfree=     530806, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5220 (time 1783074695.64 total 10.00 last 521.90)
 - open/keep 9639 (time 1783074705.64 total 20.00 last 441.89)
 - open/keep 13924 (time 1783074715.64 total 30.00 last 428.46)
 - open/keep 19723 (time 1783074725.64 total 40.00 last 579.83)
 - open/keep 26785 (time 1783074735.64 total 50.00 last 706.17)
 - open/keep 30000 (time 1783074740.84 total 55.20 last 618.35)
 - open/keep 36066 (time 1783074750.84 total 65.21 last 606.51)
 - open/keep 40000 (time 1783074758.67 total 73.03 last 502.70)
 - open/keep 45610 (time 1783074768.67 total 83.03 last 560.93)
 - open/keep 50000 (time 1783074777.10 total 91.46 last 520.92)
 - open/keep 55992 (time 1783074787.10 total 101.46 last 598.96)
 - open/keep 60000 (time 1783074793.54 total 107.91 last 622.02)
 - open/keep 66967 (time 1783074803.54 total 117.91 last 696.67)
total: 68343 open/keep in 120.00 seconds: 569.52 ops/second
 - closed 10000 (time 1783074814.32 total 8.68 last -6562.61)
 - closed 20000 (time 1783074822.50 total 16.86 last 1222.21)
 - closed 30000 (time 1783074831.72 total 26.09 last 1084.10)
 - closed 40000 (time 1783074840.61 total 34.97 last 1125.73)
 - closed 50000 (time 1783074848.73 total 43.09 last 1231.41)
 - closed 60000 (time 1783074857.48 total 51.84 last 1143.16)
total: 68343 close in 60.79 seconds: 1124.25 close/second
 - unlinked 0 (time 1783074867 ; total 0 ; last 0)
 - unlinked 10000 (time 1783074886 ; total 19 ; last 19)
 - unlinked 20000 (time 1783074904 ; total 37 ; last 18)
 - unlinked 30000 (time 1783074922 ; total 55 ; last 18)
 - unlinked 40000 (time 1783074939 ; total 72 ; last 17)
 - unlinked 50000 (time 1783074954 ; total 87 ; last 15)
 - unlinked 60000 (time 1783074970 ; total 103 ; last 16)
unlink(/mnt/lustre/d51f.sanity/f68343) error: No such file or directory
total: 68343 unlinks in 118 seconds: 579.177979 unlinks/second