== sanity test 124b: lru resize (performance test) ================================================================================= 02:46:44 (1724309204)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8801311b4000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8801311b4000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1735 (time 1724309216.87 total 10.00 last 173.48)
 - open/close 3502 (time 1724309226.87 total 20.00 last 176.64)
 - open/close 5400 (time 1724309236.87 total 30.01 last 189.76)
 - open/close 7091 (time 1724309246.89 total 40.03 last 168.72)
total: 8000 open/close in 44.84 seconds: 178.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1724309329 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8801311b4000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8801311b4000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1741 (time 1724309383.53 total 10.01 last 173.99)
 - open/close 3329 (time 1724309393.53 total 20.01 last 158.80)
 - open/close 5009 (time 1724309403.54 total 30.01 last 167.95)
 - open/close 6638 (time 1724309413.54 total 40.01 last 162.85)
total: 8000 open/close in 47.86 seconds: 167.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 20 seconds
lru_size = 4052
3955
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1724309446 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second