== sanity test 51f: check many open files limit ========== 23:09:14 (1789787354)
MDT0 numfree=525393, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1277 (time 1789787368.87 total 10.00 last 127.65)
 - open/keep 2841 (time 1789787378.88 total 20.01 last 156.32)
 - open/keep 4276 (time 1789787388.89 total 30.02 last 143.32)
 - open/keep 5651 (time 1789787398.89 total 40.02 last 137.49)
 - open/keep 7200 (time 1789787408.92 total 50.06 last 154.37)
 - open/keep 8629 (time 1789787418.93 total 60.06 last 142.84)
 - open/keep 9952 (time 1789787428.93 total 70.06 last 132.26)
 - open/keep 11310 (time 1789787438.93 total 80.07 last 135.76)
 - open/keep 12597 (time 1789787448.93 total 90.07 last 128.69)
 - open/keep 13876 (time 1789787458.94 total 100.07 last 127.85)
 - open/keep 15091 (time 1789787468.94 total 110.07 last 121.46)
total: 16263 open/keep in 120.00 seconds: 135.52 ops/second
 - closed 1937 (time 1789787488.87 total 10.00 last -1314.84)
 - closed 3633 (time 1789787498.87 total 20.01 last 169.55)
 - closed 5739 (time 1789787508.88 total 30.01 last 210.57)
 - closed 7934 (time 1789787518.88 total 40.01 last 219.46)
 - closed 10000 (time 1789787528.56 total 49.69 last 213.40)
 - closed 12466 (time 1789787538.56 total 59.69 last 246.53)
 - closed 14725 (time 1789787548.56 total 69.70 last 225.88)
total: 16263 close in 76.17 seconds: 213.51 close/second
 - unlinked 0 (time 1789787559 ; total 0 ; last 0)
 - unlinked 10000 (time 1789787629 ; total 70 ; last 70)
unlink(/mnt/lustre/d51f.sanity/f16263) error: No such file or directory
total: 16263 unlinks in 113 seconds: 143.920349 unlinks/second