== sanity test 51f: check many open files limit ========== 03:36:48 (1787557008)
MDT0 numfree=531852, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1128 (time 1787557022.68 total 10.00 last 112.80)
 - open/keep 2229 (time 1787557032.68 total 20.00 last 110.09)
 - open/keep 3279 (time 1787557042.68 total 30.00 last 105.00)
 - open/keep 4316 (time 1787557052.68 total 40.00 last 103.69)
 - open/keep 5440 (time 1787557062.68 total 50.01 last 112.36)
 - open/keep 6406 (time 1787557072.69 total 60.01 last 96.55)
 - open/keep 7302 (time 1787557082.70 total 70.02 last 89.53)
 - open/keep 8021 (time 1787557092.70 total 80.02 last 71.90)
 - open/keep 8911 (time 1787557102.72 total 90.04 last 88.83)
 - open/keep 9960 (time 1787557112.74 total 100.06 last 104.65)
 - open/keep 10950 (time 1787557122.74 total 110.06 last 98.99)
total: 11880 open/keep in 120.02 seconds: 98.99 ops/second
 - closed 2030 (time 1787557142.70 total 10.00 last -891.79)
 - closed 4318 (time 1787557152.70 total 20.00 last 228.76)
 - closed 6123 (time 1787557162.71 total 30.02 last 180.25)
 - closed 7806 (time 1787557172.72 total 40.02 last 168.20)
 - closed 9427 (time 1787557182.72 total 50.03 last 162.05)
 - closed 10000 (time 1787557186.77 total 54.07 last 141.61)
 - closed 11707 (time 1787557196.77 total 64.07 last 170.68)
total: 11880 close in 65.33 seconds: 181.85 close/second
 - unlinked 0 (time 1787557203 ; total 0 ; last 0)
 - unlinked 10000 (time 1787557305 ; total 102 ; last 102)
unlink(/mnt/lustre/d51f.sanity/f11880) error: No such file or directory
total: 11880 unlinks in 122 seconds: 97.377052 unlinks/second