== sanity test 51f: check many open files limit ========== 05:01:33 (1785402093)
MDT0 numfree=     529130, max=100000
changed ulimit from 1024 to 100020
 - open/keep 538 (time 1785402110.51 total 10.01 last 53.73)
 - open/keep 1066 (time 1785402120.52 total 20.02 last 52.77)
 - open/keep 1655 (time 1785402130.53 total 30.03 last 58.82)
 - open/keep 2513 (time 1785402140.55 total 40.05 last 85.63)
 - open/keep 3119 (time 1785402150.56 total 50.06 last 60.54)
 - open/keep 3771 (time 1785402160.56 total 60.07 last 65.18)
 - open/keep 4539 (time 1785402170.57 total 70.07 last 76.77)
 - open/keep 5349 (time 1785402180.57 total 80.07 last 80.99)
 - open/keep 6091 (time 1785402190.58 total 90.08 last 74.14)
 - open/keep 6640 (time 1785402200.59 total 100.10 last 54.81)
 - open/keep 7217 (time 1785402210.61 total 110.11 last 57.62)
total: 7977 open/keep in 120.00 seconds: 66.47 ops/second
 - closed 1413 (time 1785402230.50 total 10.00 last -580.25)
 - closed 2515 (time 1785402240.51 total 20.01 last 110.14)
 - closed 4007 (time 1785402250.51 total 30.01 last 149.14)
 - closed 5262 (time 1785402260.51 total 40.01 last 125.47)
 - closed 6473 (time 1785402270.52 total 50.02 last 121.03)
 - closed 7674 (time 1785402280.52 total 60.03 last 120.02)
total: 7977 close in 62.96 seconds: 126.70 close/second
 - unlinked 0 (time 1785402289 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f7977) error: No such file or directory
total: 7977 unlinks in 90 seconds: 88.633331 unlinks/second