== sanity test 124b: lru resize (performance test) ================================================================================= 09:26:17 (1789133177)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 789 (time 1789133191.68 total 10.00 last 78.89)
 - open/close 1550 (time 1789133201.69 total 20.02 last 75.97)
 - open/close 2398 (time 1789133211.70 total 30.02 last 84.75)
 - open/close 3190 (time 1789133221.70 total 40.03 last 79.17)
 - open/close 4027 (time 1789133231.70 total 50.03 last 83.69)
 - open/close 4854 (time 1789133241.71 total 60.03 last 82.68)
 - open/close 5670 (time 1789133251.72 total 70.04 last 81.53)
 - open/close 6485 (time 1789133261.72 total 80.04 last 81.49)
 - open/close 7292 (time 1789133271.72 total 90.05 last 80.66)
total: 8000 open/close in 98.84 seconds: 80.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 188 seconds
lru_size = 400
 - unlinked 0 (time 1789133480 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 744 (time 1789133596.19 total 10.01 last 74.35)
 - open/close 1586 (time 1789133606.20 total 20.01 last 84.16)
 - open/close 2360 (time 1789133616.21 total 30.02 last 77.34)
 - open/close 3051 (time 1789133626.21 total 40.02 last 69.07)
 - open/close 3776 (time 1789133636.21 total 50.03 last 72.48)
 - open/close 4428 (time 1789133646.22 total 60.03 last 65.16)
 - open/close 5125 (time 1789133656.22 total 70.04 last 69.68)
 - open/close 5852 (time 1789133666.23 total 80.04 last 72.67)
 - open/close 6554 (time 1789133676.24 total 90.05 last 70.10)
 - open/close 7379 (time 1789133686.25 total 100.07 last 82.40)
total: 8000 open/close in 109.69 seconds: 72.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1789133828 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second