== sanity test 124b: lru resize (performance test) ================================================================================= 16:47:16 (1722545236)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8801349b3000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8801349b3000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1532 (time 1722545248.06 total 10.00 last 153.18)
 - open/close 3061 (time 1722545258.06 total 20.01 last 152.81)
 - open/close 5039 (time 1722545268.06 total 30.01 last 197.74)
 - open/close 6842 (time 1722545278.07 total 40.01 last 180.27)
total: 8000 open/close in 47.59 seconds: 168.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
400
 - unlinked 0 (time 1722545359 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8801349b3000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8801349b3000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2912 (time 1722545406.54 total 10.00 last 291.20)
 - open/close 6012 (time 1722545416.54 total 20.00 last 309.98)
total: 8000 open/close in 25.71 seconds: 311.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 6 seconds
lru_size = 4006
4001
ls -la is 91% faster with lru resize enabled
 - unlinked 0 (time 1722545430 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second