== sanity test 124b: lru resize (performance test) ================================================================================= 08:38:03 (1742906283)
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 5477 (time 1742906294.51 total 10.00 last 547.69)
total: 8000 open/close in 14.73 seconds: 543.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 400
400
 - unlinked 0 (time 1742906346 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5188 (time 1742906366.34 total 10.00 last 518.79)
total: 8000 open/close in 15.75 seconds: 507.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4052
3955
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1742906386 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second