== sanity test 124b: lru resize (performance test) ================================================================================= 09:26:44 (1724765204)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6570000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b6570000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2358 (time 1724765216.03 total 10.00 last 235.79)
 - open/close 4765 (time 1724765226.03 total 20.00 last 240.67)
 - open/close 7526 (time 1724765236.03 total 30.01 last 275.99)
total: 8000 open/close in 32.00 seconds: 249.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 400
400
 - unlinked 0 (time 1724765290 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6570000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b6570000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2446 (time 1724765334.09 total 10.00 last 244.52)
 - open/close 5513 (time 1724765344.09 total 20.01 last 306.64)
total: 8000 open/close in 27.01 seconds: 296.20 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 82% faster with lru resize enabled
 - unlinked 0 (time 1724765364 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second