== sanity test 124b: lru resize (performance test) ================================================================================= 13:41:13 (1785087673)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 843 (time 1785087686.98 total 10.00 last 84.27)
 - open/close 1623 (time 1785087696.99 total 20.02 last 77.89)
 - open/close 2416 (time 1785087707.00 total 30.02 last 79.26)
 - open/close 3259 (time 1785087717.00 total 40.03 last 84.25)
 - open/close 4044 (time 1785087727.01 total 50.03 last 78.47)
 - open/close 4820 (time 1785087737.01 total 60.04 last 77.54)
 - open/close 5585 (time 1785087747.01 total 70.04 last 76.49)
 - open/close 6334 (time 1785087757.03 total 80.05 last 74.80)
 - open/close 7113 (time 1785087767.03 total 90.06 last 77.86)
 - open/close 7845 (time 1785087777.05 total 100.07 last 73.11)
total: 8000 open/close in 102.15 seconds: 78.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1785087963 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second
 - open/close 828 (time 1785088067.27 total 10.00 last 82.76)
 - open/close 1620 (time 1785088077.27 total 20.00 last 79.20)
 - open/close 2421 (time 1785088087.29 total 30.02 last 79.96)
 - open/close 3111 (time 1785088097.30 total 40.03 last 68.96)
 - open/close 3975 (time 1785088107.30 total 50.03 last 86.38)
 - open/close 4774 (time 1785088117.30 total 60.03 last 79.87)
 - open/close 5606 (time 1785088127.30 total 70.03 last 83.20)
 - open/close 6387 (time 1785088137.31 total 80.04 last 78.03)
 - open/close 7214 (time 1785088147.31 total 90.04 last 82.68)
total: 8000 open/close in 98.98 seconds: 80.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8007
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1785088257 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second