== sanity test 124b: lru resize (performance test) ================================================================================= 08:12:56 (1768569176)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1380 (time 1768569189.62 total 10.00 last 137.97)
 - open/close 2636 (time 1768569199.62 total 20.01 last 125.51)
 - open/close 4052 (time 1768569209.62 total 30.01 last 141.59)
 - open/close 5466 (time 1768569219.62 total 40.01 last 141.39)
 - open/close 5885 (time 1768569229.66 total 50.05 last 41.73)
 - open/close 6903 (time 1768569239.68 total 60.07 last 101.65)
total: 8000 open/close in 68.91 seconds: 116.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 400
 - unlinked 0 (time 1768569344 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
 - open/close 2598 (time 1768569376.53 total 10.00 last 259.72)
 - open/close 5194 (time 1768569386.53 total 20.00 last 259.56)
 - open/close 7893 (time 1768569396.53 total 30.00 last 269.90)
total: 8000 open/close in 30.43 seconds: 262.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1768569447 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second