== sanity test 124b: lru resize (performance test) ================================================================================= 03:33:31 (1747812811)
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 5125 (time 1747812822.08 total 10.00 last 512.40)
total: 8000 open/close in 15.49 seconds: 516.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 400
400
 - unlinked 0 (time 1747812874 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5329 (time 1747812893.77 total 10.00 last 532.87)
total: 8000 open/close in 14.97 seconds: 534.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4006
4001
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1747812914 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second