== sanity test 51f: check many open files limit ========== 05:41:31 (1779874891)
MDT0 numfree=     532660, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1361 (time 1779874906.00 total 10.01 last 135.95)
 - open/keep 2778 (time 1779874916.00 total 20.02 last 141.60)
 - open/keep 3960 (time 1779874926.02 total 30.03 last 118.04)
 - open/keep 5174 (time 1779874936.02 total 40.04 last 121.34)
 - open/keep 6319 (time 1779874946.02 total 50.04 last 114.46)
 - open/keep 7470 (time 1779874956.03 total 60.04 last 115.06)
 - open/keep 8887 (time 1779874966.03 total 70.05 last 141.66)
 - open/keep 10000 (time 1779874974.25 total 78.26 last 135.44)
 - open/keep 11373 (time 1779874984.25 total 88.27 last 137.25)
 - open/keep 12901 (time 1779874994.25 total 98.27 last 152.79)
 - open/keep 14428 (time 1779875004.25 total 108.27 last 152.66)
 - open/keep 15835 (time 1779875014.27 total 118.28 last 140.50)
total: 16000 open/keep in 120.00 seconds: 133.33 ops/second
 - closed 2712 (time 1779875025.99 total 10.00 last -1312.20)
 - closed 5028 (time 1779875035.99 total 20.00 last 231.56)
 - closed 7440 (time 1779875045.99 total 30.01 last 241.13)
 - closed 9480 (time 1779875056.00 total 40.01 last 203.90)
 - closed 10000 (time 1779875058.88 total 42.89 last 180.59)
 - closed 12058 (time 1779875068.88 total 52.89 last 205.74)
 - closed 14615 (time 1779875078.88 total 62.89 last 255.68)
total: 16000 close in 68.38 seconds: 233.98 close/second
 - unlinked 0 (time 1779875089 ; total 0 ; last 0)
 - unlinked 10000 (time 1779875169 ; total 80 ; last 80)
unlink(/mnt/lustre/d51f.sanity/f16000) error: No such file or directory
total: 16000 unlinks in 127 seconds: 125.984253 unlinks/second