== sanity test 124b: lru resize (performance test) ================================================================================= 05:58:53 (1787392733)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 770 (time 1787392748.85 total 10.01 last 76.95)
 - open/close 1558 (time 1787392758.87 total 20.02 last 78.69)
 - open/close 2351 (time 1787392768.87 total 30.02 last 79.29)
 - open/close 3158 (time 1787392778.88 total 40.03 last 80.59)
 - open/close 3865 (time 1787392788.88 total 50.04 last 70.68)
 - open/close 4609 (time 1787392798.89 total 60.04 last 74.36)
 - open/close 5385 (time 1787392808.89 total 70.05 last 77.57)
 - open/close 6097 (time 1787392818.90 total 80.06 last 71.13)
 - open/close 6890 (time 1787392828.91 total 90.06 last 79.24)
 - open/close 7640 (time 1787392838.92 total 100.07 last 74.93)
total: 8000 open/close in 104.64 seconds: 76.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1787393032 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 761 (time 1787393164.19 total 10.00 last 76.09)
 - open/close 1461 (time 1787393174.19 total 20.01 last 69.96)
 - open/close 2256 (time 1787393184.20 total 30.01 last 79.45)
 - open/close 2925 (time 1787393194.21 total 40.02 last 66.85)
 - open/close 3620 (time 1787393204.22 total 50.03 last 69.45)
 - open/close 4413 (time 1787393214.22 total 60.03 last 79.26)
 - open/close 5230 (time 1787393224.23 total 70.04 last 81.63)
 - open/close 6010 (time 1787393234.25 total 80.06 last 77.84)
 - open/close 6730 (time 1787393244.26 total 90.07 last 71.94)
 - open/close 7472 (time 1787393254.26 total 100.07 last 74.19)
total: 8000 open/close in 106.15 seconds: 75.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1787393387 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second