== sanity test 51f: check many open files limit ========== 14:24:49 (1788546289)
MDT0 numfree=532794, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1180 (time 1788546304.15 total 10.00 last 117.99)
 - open/keep 2422 (time 1788546314.15 total 20.00 last 124.17)
 - open/keep 3487 (time 1788546324.16 total 30.01 last 106.39)
 - open/keep 4534 (time 1788546334.16 total 40.01 last 104.68)
 - open/keep 5659 (time 1788546344.16 total 50.01 last 112.50)
 - open/keep 6617 (time 1788546354.16 total 60.02 last 95.79)
 - open/keep 7519 (time 1788546364.16 total 70.02 last 90.16)
 - open/keep 8773 (time 1788546374.17 total 80.02 last 125.38)
 - open/keep 9840 (time 1788546384.17 total 90.02 last 106.69)
 - open/keep 10893 (time 1788546394.17 total 100.03 last 105.26)
 - open/keep 12056 (time 1788546404.19 total 110.05 last 116.08)
total: 13231 open/keep in 120.00 seconds: 110.26 ops/second
 - closed 1973 (time 1788546424.15 total 10.01 last -1007.56)
 - closed 3751 (time 1788546434.16 total 20.01 last 177.77)
 - closed 5127 (time 1788546444.17 total 30.02 last 137.41)
 - closed 6480 (time 1788546454.17 total 40.02 last 135.29)
 - closed 8179 (time 1788546464.17 total 50.03 last 169.82)
 - closed 10000 (time 1788546473.65 total 59.50 last 192.28)
 - closed 11894 (time 1788546483.65 total 69.50 last 189.36)
total: 13231 close in 76.02 seconds: 174.05 close/second
 - unlinked 0 (time 1788546494 ; total 0 ; last 0)
 - unlinked 10000 (time 1788546586 ; total 92 ; last 92)
unlink(/mnt/lustre/d51f.sanity/f13231) error: No such file or directory
total: 13231 unlinks in 126 seconds: 105.007935 unlinks/second