== sanity test 124b: lru resize (performance test) ================================================================================= 12:28:41 (1736789321)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2928 (time 1736789332.77 total 10.00 last 292.74)
 - open/close 5309 (time 1736789342.77 total 20.00 last 238.04)
 - open/close 7750 (time 1736789352.77 total 30.01 last 244.02)
total: 8000 open/close in 31.13 seconds: 256.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 400
 - unlinked 0 (time 1736789456 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
 - open/close 2626 (time 1736789498.34 total 10.00 last 262.54)
 - open/close 4972 (time 1736789508.35 total 20.01 last 234.51)
 - open/close 7886 (time 1736789518.35 total 30.01 last 291.34)
total: 8000 open/close in 30.48 seconds: 262.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 8006
ls -la is 91% faster with lru resize enabled
 - unlinked 0 (time 1736789534 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second