== sanity test 51f: check many open files limit ========== 10:32:42 (1789482762)
MDT0 numfree=532287, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1246 (time 1789482776.95 total 10.01 last 124.46)
 - open/keep 2467 (time 1789482786.95 total 20.01 last 122.07)
 - open/keep 3700 (time 1789482796.96 total 30.02 last 123.26)
 - open/keep 4756 (time 1789482806.96 total 40.02 last 105.53)
 - open/keep 6095 (time 1789482816.98 total 50.04 last 133.72)
 - open/keep 7380 (time 1789482826.98 total 60.04 last 128.42)
 - open/keep 8564 (time 1789482836.99 total 70.05 last 118.33)
 - open/keep 9710 (time 1789482847.00 total 80.06 last 114.48)
 - open/keep 10000 (time 1789482850.46 total 83.52 last 83.91)
 - open/keep 10916 (time 1789482860.46 total 93.52 last 91.57)
 - open/keep 12128 (time 1789482870.46 total 103.52 last 121.19)
 - open/keep 13219 (time 1789482880.46 total 113.52 last 109.08)
total: 13892 open/keep in 120.00 seconds: 115.76 ops/second
 - closed 1661 (time 1789482896.97 total 10.03 last -1152.61)
 - closed 2940 (time 1789482906.97 total 20.03 last 127.88)
 - closed 4250 (time 1789482916.98 total 30.03 last 130.94)
 - closed 5473 (time 1789482926.98 total 40.03 last 122.29)
 - closed 7656 (time 1789482936.98 total 50.04 last 218.24)
 - closed 9567 (time 1789482946.98 total 60.04 last 191.08)
 - closed 10000 (time 1789482948.74 total 61.80 last 245.70)
 - closed 12197 (time 1789482958.74 total 71.80 last 219.69)
total: 13892 close in 79.71 seconds: 174.29 close/second
 - unlinked 0 (time 1789482970 ; total 0 ; last 0)
 - unlinked 10000 (time 1789483047 ; total 77 ; last 77)
unlink(/mnt/lustre/d51f.sanity/f13892) error: No such file or directory
total: 13892 unlinks in 106 seconds: 131.056610 unlinks/second