== sanity test 124b: lru resize (performance test) ================================================================================= 12:23:39 (1786811019)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 822 (time 1786811034.18 total 10.01 last 82.14)
 - open/close 1730 (time 1786811044.19 total 20.02 last 90.72)
 - open/close 2575 (time 1786811054.19 total 30.02 last 84.46)
 - open/close 3347 (time 1786811064.20 total 40.02 last 77.18)
 - open/close 4171 (time 1786811074.20 total 50.02 last 82.40)
 - open/close 4985 (time 1786811084.20 total 60.03 last 81.34)
 - open/close 5703 (time 1786811094.21 total 70.04 last 71.73)
 - open/close 6554 (time 1786811104.22 total 80.04 last 85.10)
 - open/close 7451 (time 1786811114.23 total 90.05 last 89.59)
total: 8000 open/close in 97.09 seconds: 82.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1786811299 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 736 (time 1786811418.96 total 10.00 last 73.60)
 - open/close 1493 (time 1786811428.97 total 20.00 last 75.67)
 - open/close 2354 (time 1786811438.97 total 30.01 last 86.08)
 - open/close 3345 (time 1786811448.98 total 40.01 last 99.04)
 - open/close 4194 (time 1786811458.98 total 50.02 last 84.86)
 - open/close 5003 (time 1786811468.99 total 60.03 last 80.80)
 - open/close 5841 (time 1786811479.00 total 70.04 last 83.76)
 - open/close 6619 (time 1786811489.01 total 80.05 last 77.71)
 - open/close 7396 (time 1786811499.01 total 90.05 last 77.69)
total: 8000 open/close in 97.10 seconds: 82.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1786811624 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second