== sanity test 124b: lru resize (performance test) ================================================================================= 11:51:12 (1761321072)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9fcdc8ed1000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9fcdc8ed1000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1322 (time 1761321084.49 total 10.00 last 132.15)
 - open/close 2590 (time 1761321094.50 total 20.01 last 126.75)
 - open/close 4000 (time 1761321104.50 total 30.01 last 140.97)
 - open/close 5264 (time 1761321114.50 total 40.01 last 126.39)
 - open/close 6672 (time 1761321124.51 total 50.02 last 140.72)
 - open/close 7953 (time 1761321134.51 total 60.02 last 128.09)
total: 8000 open/close in 60.36 seconds: 132.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 38 seconds
lru_size = 400
400
 - unlinked 0 (time 1761321177 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9fcdc8ed1000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9fcdc8ed1000.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1345 (time 1761321245.49 total 10.00 last 134.46)
 - open/close 3126 (time 1761321255.49 total 20.01 last 178.05)
 - open/close 4851 (time 1761321265.50 total 30.01 last 172.37)
 - open/close 6270 (time 1761321275.51 total 40.02 last 141.85)
total: 8000 open/close in 49.14 seconds: 162.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4052
3955
ls -la is 76% faster with lru resize enabled
 - unlinked 0 (time 1761321298 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second