== sanity test 124b: lru resize (performance test) ================================================================================= 14:19:54 (1750184394)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1630 (time 1750184406.12 total 10.00 last 162.99)
 - open/close 3284 (time 1750184416.12 total 20.00 last 165.38)
 - open/close 4898 (time 1750184426.13 total 30.00 last 161.35)
 - open/close 6818 (time 1750184436.13 total 40.01 last 191.95)
total: 8000 open/close in 46.19 seconds: 173.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 400
400
 - unlinked 0 (time 1750184506 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2121 (time 1750184543.84 total 10.00 last 212.07)
 - open/close 4251 (time 1750184553.84 total 20.00 last 212.94)
 - open/close 6448 (time 1750184563.84 total 30.00 last 219.69)
total: 8000 open/close in 37.74 seconds: 211.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 17 seconds
lru_size = 4052
3955
ls -la is 72% faster with lru resize enabled
 - unlinked 0 (time 1750184596 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second