== sanity test 51f: check many open files limit ========== 19:38:27 (1788565107)
MDT0 numfree=530672, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1587 (time 1788565121.84 total 10.00 last 158.66)
 - open/keep 3237 (time 1788565131.84 total 20.01 last 164.95)
 - open/keep 4929 (time 1788565141.85 total 30.01 last 169.11)
 - open/keep 6502 (time 1788565151.85 total 40.02 last 157.23)
 - open/keep 8102 (time 1788565161.85 total 50.02 last 159.95)
 - open/keep 9722 (time 1788565171.86 total 60.02 last 161.91)
 - open/keep 10000 (time 1788565174.01 total 62.17 last 129.52)
 - open/keep 11643 (time 1788565184.01 total 72.17 last 164.25)
 - open/keep 13313 (time 1788565194.01 total 82.17 last 166.99)
 - open/keep 14777 (time 1788565204.03 total 92.19 last 146.15)
 - open/keep 16133 (time 1788565214.04 total 102.20 last 135.46)
 - open/keep 17298 (time 1788565224.04 total 112.20 last 116.50)
total: 18628 open/keep in 120.00 seconds: 155.23 ops/second
 - closed 2501 (time 1788565241.84 total 10.00 last -1479.43)
 - closed 5191 (time 1788565251.84 total 20.00 last 269.00)
 - closed 7973 (time 1788565261.84 total 30.00 last 278.16)
 - closed 10000 (time 1788565269.11 total 37.27 last 278.87)
 - closed 12115 (time 1788565279.11 total 47.28 last 211.39)
 - closed 14094 (time 1788565289.12 total 57.28 last 197.80)
 - closed 16083 (time 1788565299.12 total 67.28 last 198.84)
 - closed 18274 (time 1788565309.12 total 77.29 last 219.09)
total: 18628 close in 78.52 seconds: 237.25 close/second
 - unlinked 0 (time 1788565313 ; total 0 ; last 0)
 - unlinked 10000 (time 1788565390 ; total 77 ; last 77)
unlink(/mnt/lustre/d51f.sanity/f18628) error: No such file or directory
total: 18628 unlinks in 135 seconds: 137.985184 unlinks/second