== sanity test 124b: lru resize (performance test) ================================================================================= 20:07:33 (1743206853)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2612 (time 1743206864.73 total 10.00 last 261.19)
 - open/close 5080 (time 1743206874.74 total 20.00 last 246.74)
 - open/close 7492 (time 1743206884.74 total 30.01 last 241.10)
total: 8000 open/close in 32.14 seconds: 248.93 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 1743206940 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2490 (time 1743206970.03 total 10.00 last 248.95)
 - open/close 5033 (time 1743206980.03 total 20.01 last 254.21)
 - open/close 7495 (time 1743206990.03 total 30.01 last 246.15)
total: 8000 open/close in 31.71 seconds: 252.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4006
4001
ls -la is 80% faster with lru resize enabled
 - unlinked 0 (time 1743207007 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second