== sanity test 124b: lru resize (performance test) ================================================================================= 04:21:50 (1779697310)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1034 (time 1779697324.95 total 10.01 last 103.29)
 - open/close 2049 (time 1779697334.96 total 20.02 last 101.41)
 - open/close 3056 (time 1779697344.97 total 30.03 last 100.59)
 - open/close 4052 (time 1779697354.97 total 40.03 last 99.58)
 - open/close 4955 (time 1779697364.98 total 50.05 last 90.19)
 - open/close 5794 (time 1779697374.99 total 60.05 last 83.86)
 - open/close 6731 (time 1779697384.99 total 70.05 last 93.68)
 - open/close 7641 (time 1779697395.01 total 80.07 last 90.86)
total: 8000 open/close in 84.00 seconds: 95.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
400
 - unlinked 0 (time 1779697560 ; total 0 ; last 0)
total: 8000 unlinks in 88 seconds: 90.909088 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 989 (time 1779697662.72 total 10.01 last 98.83)
 - open/close 1824 (time 1779697672.73 total 20.01 last 83.46)
 - open/close 2752 (time 1779697682.74 total 30.03 last 92.66)
 - open/close 3574 (time 1779697692.75 total 40.04 last 82.13)
 - open/close 4500 (time 1779697702.76 total 50.04 last 92.54)
 - open/close 5299 (time 1779697712.76 total 60.04 last 79.89)
 - open/close 6248 (time 1779697722.77 total 70.05 last 94.83)
 - open/close 7306 (time 1779697732.78 total 80.06 last 105.68)
total: 8000 open/close in 86.37 seconds: 92.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 4006
4001
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1779697847 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second