== sanity test 124b: lru resize (performance test) ================================================================================= 03:41:22 (1727768482)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a8991800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a8991800.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1621 (time 1727768494.55 total 10.01 last 162.01)
 - open/close 3271 (time 1727768504.55 total 20.01 last 164.96)
 - open/close 4945 (time 1727768514.55 total 30.01 last 167.31)
 - open/close 6772 (time 1727768524.56 total 40.02 last 182.62)
total: 8000 open/close in 46.98 seconds: 170.27 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 400
400
 - unlinked 0 (time 1727768589 ; total 0 ; last 0)
total: 8000 unlinks in 43 seconds: 186.046509 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a8991800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a8991800.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1822 (time 1727768644.03 total 10.00 last 182.15)
 - open/close 3491 (time 1727768654.04 total 20.01 last 166.83)
 - open/close 5413 (time 1727768664.04 total 30.01 last 192.15)
 - open/close 7681 (time 1727768674.04 total 40.01 last 226.77)
total: 8000 open/close in 41.63 seconds: 192.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 15 seconds
lru_size = 4052
3955
ls -la is 72% faster with lru resize enabled
 - unlinked 0 (time 1727768694 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second