== sanity test 51f: check many open files limit ========== 09:53:06 (1770648786)
MDT0 numfree=     490167 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 6064 (time 1770648797.42 total 10.00 last 606.38)
 - open/keep 10000 (time 1770648804.48 total 17.06 last 557.87)
 - open/keep 14303 (time 1770648814.48 total 27.06 last 430.26)
 - open/keep 18732 (time 1770648824.48 total 37.06 last 442.89)
 - open/keep 24300 (time 1770648834.48 total 47.06 last 556.65)
 - open/keep 28123 (time 1770648844.49 total 57.06 last 382.16)
 - open/keep 30000 (time 1770648848.23 total 60.81 last 501.27)
 - open/keep 34017 (time 1770648858.23 total 70.81 last 401.68)
 - open/keep 40000 (time 1770648866.39 total 78.97 last 733.13)
 - open/keep 47745 (time 1770648876.39 total 88.97 last 774.46)
 - open/keep 50000 (time 1770648879.16 total 91.74 last 814.54)
 - open/keep 57956 (time 1770648889.16 total 101.74 last 795.57)
 - open/keep 60000 (time 1770648891.73 total 104.31 last 795.55)
 - open/keep 67346 (time 1770648901.73 total 114.31 last 734.56)
 - open/keep 70000 (time 1770648905.21 total 117.79 last 762.16)
total: 71831 open/keep in 120.01 seconds: 598.54 ops/second
 - closed 10000 (time 1770648915.17 total 7.73 last -7758.57)
 - closed 20000 (time 1770648922.82 total 15.39 last 1305.92)
 - closed 30000 (time 1770648931.20 total 23.77 last 1193.32)
 - closed 40000 (time 1770648939.82 total 32.38 last 1161.38)
 - closed 50000 (time 1770648947.20 total 39.77 last 1353.78)
 - closed 60000 (time 1770648954.72 total 47.29 last 1329.41)
 - closed 70000 (time 1770648962.22 total 54.79 last 1333.78)
total: 71831 close in 56.16 seconds: 1279.12 close/second
 - unlinked 0 (time 1770648964 ; total 0 ; last 0)
 - unlinked 10000 (time 1770648976 ; total 12 ; last 12)
 - unlinked 20000 (time 1770648988 ; total 24 ; last 12)
 - unlinked 30000 (time 1770648999 ; total 35 ; last 11)
 - unlinked 40000 (time 1770649012 ; total 48 ; last 13)
 - unlinked 50000 (time 1770649025 ; total 61 ; last 13)
 - unlinked 60000 (time 1770649038 ; total 74 ; last 13)
 - unlinked 70000 (time 1770649052 ; total 88 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f71831) error: No such file or directory
total: 71831 unlinks in 90 seconds: 798.122192 unlinks/second