== sanity test 51f: check many open files limit ========== 11:47:45 (1776181665)
MDT0 numfree=490493, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1307 (time 1776181678.98 total 10.01 last 130.60)
 - open/keep 2667 (time 1776181688.98 total 20.01 last 135.94)
 - open/keep 4061 (time 1776181698.99 total 30.02 last 139.33)
 - open/keep 5343 (time 1776181708.99 total 40.02 last 128.17)
 - open/keep 6689 (time 1776181718.99 total 50.02 last 134.59)
 - open/keep 8022 (time 1776181728.99 total 60.03 last 133.22)
 - open/keep 9429 (time 1776181739.00 total 70.03 last 140.66)
 - open/keep 10000 (time 1776181743.03 total 74.06 last 141.72)
 - open/keep 11440 (time 1776181753.03 total 84.06 last 143.95)
 - open/keep 12691 (time 1776181763.03 total 94.06 last 125.09)
 - open/keep 14059 (time 1776181773.03 total 104.06 last 136.76)
 - open/keep 15472 (time 1776181783.04 total 114.07 last 141.23)
total: 16281 open/keep in 120.00 seconds: 135.67 ops/second
 - closed 2191 (time 1776181798.97 total 10.00 last -1327.77)
 - closed 4564 (time 1776181808.97 total 20.00 last 237.27)
 - closed 6961 (time 1776181818.98 total 30.01 last 239.64)
 - closed 9276 (time 1776181828.98 total 40.01 last 231.48)
 - closed 10000 (time 1776181831.87 total 42.90 last 250.00)
 - closed 12362 (time 1776181841.88 total 52.91 last 236.08)
 - closed 14488 (time 1776181851.88 total 62.91 last 212.56)
total: 16281 close in 70.50 seconds: 230.93 close/second
 - unlinked 0 (time 1776181862 ; total 0 ; last 0)
 - unlinked 10000 (time 1776181930 ; total 68 ; last 68)
unlink(/mnt/lustre/d51f.sanity/f16281) error: No such file or directory
total: 16281 unlinks in 112 seconds: 145.366074 unlinks/second