== sanity test 124b: lru resize (performance test) ================================================================================= 17:50:59 (1789509059)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 616 (time 1789509074.86 total 10.00 last 61.60)
 - open/close 1329 (time 1789509084.87 total 20.00 last 71.29)
 - open/close 1975 (time 1789509094.87 total 30.01 last 64.57)
 - open/close 2692 (time 1789509104.88 total 40.01 last 71.66)
 - open/close 3270 (time 1789509114.89 total 50.03 last 57.71)
 - open/close 3888 (time 1789509124.90 total 60.03 last 61.77)
 - open/close 4583 (time 1789509134.91 total 70.04 last 69.44)
 - open/close 5273 (time 1789509144.92 total 80.05 last 68.93)
 - open/close 5928 (time 1789509154.92 total 90.06 last 65.46)
 - open/close 6649 (time 1789509164.96 total 100.10 last 71.83)
 - open/close 7357 (time 1789509174.97 total 110.10 last 70.77)
total: 8000 open/close in 119.44 seconds: 66.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1789509355 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 692 (time 1789509484.13 total 10.00 last 69.19)
 - open/close 1421 (time 1789509494.18 total 20.05 last 72.57)
 - open/close 2096 (time 1789509504.18 total 30.05 last 67.45)
 - open/close 2788 (time 1789509514.19 total 40.06 last 69.14)
 - open/close 3499 (time 1789509524.19 total 50.07 last 71.08)
 - open/close 4262 (time 1789509534.20 total 60.07 last 76.28)
 - open/close 5005 (time 1789509544.21 total 70.08 last 74.22)
 - open/close 5714 (time 1789509554.21 total 80.08 last 70.89)
 - open/close 6422 (time 1789509564.21 total 90.08 last 70.80)
 - open/close 7127 (time 1789509574.22 total 100.09 last 70.44)
 - open/close 7870 (time 1789509584.22 total 110.10 last 74.25)
total: 8000 open/close in 111.66 seconds: 71.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1789509675 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second