== sanity test 124b: lru resize (performance test) ================================================================================= 01:36:12 (1746077772)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1398 (time 1746077785.57 total 10.00 last 139.74)
 - open/close 2767 (time 1746077795.58 total 20.01 last 136.87)
 - open/close 4275 (time 1746077805.58 total 30.01 last 150.76)
 - open/close 5715 (time 1746077815.58 total 40.01 last 143.96)
 - open/close 7123 (time 1746077825.58 total 50.01 last 140.80)
total: 8000 open/close in 56.67 seconds: 141.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 400
400
 - unlinked 0 (time 1746077929 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1357 (time 1746077984.31 total 10.00 last 135.68)
 - open/close 2707 (time 1746077994.32 total 20.01 last 134.94)
 - open/close 4089 (time 1746078004.32 total 30.01 last 138.11)
 - open/close 5408 (time 1746078014.33 total 40.02 last 131.85)
 - open/close 6768 (time 1746078024.33 total 50.02 last 136.00)
total: 8000 open/close in 59.14 seconds: 135.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 35 seconds
lru_size = 4052
3955
ls -la is 61% faster with lru resize enabled
 - unlinked 0 (time 1746078077 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second