== sanity test 51f: check many open files limit ========== 11:57:11 (1783353431)
MDT0 numfree=     536055, max=100000
changed ulimit from 1024 to 100020
 - open/keep 7532 (time 1783353442.65 total 10.00 last 753.11)
 - open/keep 10000 (time 1783353446.06 total 13.41 last 723.43)
 - open/keep 17419 (time 1783353456.06 total 23.41 last 741.88)
 - open/keep 20000 (time 1783353459.43 total 26.79 last 764.45)
 - open/keep 27308 (time 1783353469.43 total 36.79 last 730.77)
 - open/keep 30000 (time 1783353473.34 total 40.70 last 688.50)
 - open/keep 37436 (time 1783353483.34 total 50.70 last 743.56)
 - open/keep 40000 (time 1783353486.76 total 54.11 last 751.50)
 - open/keep 47119 (time 1783353496.76 total 64.11 last 711.83)
 - open/keep 50000 (time 1783353501.07 total 68.43 last 667.83)
 - open/keep 56696 (time 1783353511.07 total 78.43 last 669.50)
 - open/keep 60000 (time 1783353515.96 total 83.31 last 676.40)
 - open/keep 66444 (time 1783353525.96 total 93.31 last 644.36)
 - open/keep 70000 (time 1783353531.49 total 98.85 last 642.34)
 - open/keep 76451 (time 1783353541.50 total 108.85 last 645.02)
 - open/keep 80000 (time 1783353547.02 total 114.37 last 642.88)
total: 83983 open/keep in 120.00 seconds: 699.85 ops/second
 - closed 10000 (time 1783353560.20 total 7.56 last -9260.78)
 - closed 20000 (time 1783353568.78 total 16.13 last 1166.11)
 - closed 30000 (time 1783353577.32 total 24.68 last 1170.56)
 - closed 40000 (time 1783353586.97 total 34.33 last 1036.31)
 - closed 50000 (time 1783353595.67 total 43.03 last 1149.21)
 - closed 60000 (time 1783353604.44 total 51.80 last 1140.38)
 - closed 70000 (time 1783353613.06 total 60.42 last 1160.20)
 - closed 80000 (time 1783353621.72 total 69.07 last 1155.55)
total: 83983 close in 72.52 seconds: 1158.14 close/second
 - unlinked 0 (time 1783353626 ; total 0 ; last 0)
 - unlinked 10000 (time 1783353649 ; total 23 ; last 23)
 - unlinked 20000 (time 1783353673 ; total 47 ; last 24)
 - unlinked 30000 (time 1783353694 ; total 68 ; last 21)
 - unlinked 40000 (time 1783353708 ; total 82 ; last 14)
 - unlinked 50000 (time 1783353721 ; total 95 ; last 13)
 - unlinked 60000 (time 1783353735 ; total 109 ; last 14)
 - unlinked 70000 (time 1783353752 ; total 126 ; last 17)
 - unlinked 80000 (time 1783353768 ; total 142 ; last 16)
unlink(/mnt/lustre/d51f.sanity/f83983) error: No such file or directory
total: 83983 unlinks in 149 seconds: 563.644287 unlinks/second