== sanity test 124b: lru resize (performance test) ================================================================================= 08:09:58 (1749125398)
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 4618 (time 1749125409.67 total 10.00 last 461.79)
total: 8000 open/close in 19.62 seconds: 407.76 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 1749125471 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3741 (time 1749125494.30 total 10.00 last 374.06)
 - open/close 7611 (time 1749125504.30 total 20.00 last 386.97)
total: 8000 open/close in 21.47 seconds: 372.68 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 1749125520 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second