== sanity test 124b: lru resize (performance test) ================================================================================= 07:32:07 (1765110727)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3708 (time 1765110739.69 total 10.00 last 370.73)
 - open/close 7943 (time 1765110749.69 total 20.00 last 423.42)
total: 8000 open/close in 20.23 seconds: 395.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
400
 - unlinked 0 (time 1765110829 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4407 (time 1765110852.18 total 10.00 last 440.70)
total: 8000 open/close in 17.82 seconds: 448.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 39 seconds
lru_size = 4006
4001
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1765110906 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second