== sanity test 51f: check many open files limit ========== 09:24:06 (1787318646)
MDT0 numfree=     533229, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1576 (time 1787318660.72 total 10.00 last 157.57)
 - open/keep 2877 (time 1787318670.72 total 20.00 last 130.08)
 - open/keep 4191 (time 1787318680.72 total 30.01 last 131.37)
 - open/keep 5706 (time 1787318690.72 total 40.01 last 151.44)
 - open/keep 7018 (time 1787318700.73 total 50.01 last 131.16)
 - open/keep 8417 (time 1787318710.73 total 60.02 last 139.85)
 - open/keep 9776 (time 1787318720.73 total 70.02 last 135.89)
 - open/keep 10946 (time 1787318730.74 total 80.03 last 116.87)
 - open/keep 12317 (time 1787318740.75 total 90.03 last 137.05)
 - open/keep 13575 (time 1787318750.76 total 100.04 last 125.64)
 - open/keep 15021 (time 1787318760.76 total 110.05 last 144.56)
total: 16437 open/keep in 120.00 seconds: 136.97 ops/second
 - closed 2209 (time 1787318780.72 total 10.00 last -1281.13)
 - closed 4075 (time 1787318790.72 total 20.01 last 186.50)
 - closed 5898 (time 1787318800.72 total 30.01 last 182.27)
 - closed 8397 (time 1787318810.73 total 40.01 last 249.86)
 - closed 10000 (time 1787318817.74 total 47.02 last 228.57)
 - closed 12677 (time 1787318827.74 total 57.02 last 267.64)
 - closed 15249 (time 1787318837.74 total 67.03 last 257.19)
total: 16437 close in 71.80 seconds: 228.92 close/second
 - unlinked 0 (time 1787318846 ; total 0 ; last 0)
 - unlinked 10000 (time 1787318917 ; total 71 ; last 71)
unlink(/mnt/lustre/d51f.sanity/f16437) error: No such file or directory
total: 16437 unlinks in 117 seconds: 140.487183 unlinks/second