== sanity test 124b: lru resize (performance test) ================================================================================= 20:35:02 (1784594102)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4268 (time 1784594116.49 total 10.00 last 426.72)
total: 8000 open/close in 18.24 seconds: 438.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 400
400
 - unlinked 0 (time 1784594197 ; 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 4128 (time 1784594220.76 total 10.00 last 412.74)
total: 8000 open/close in 18.11 seconds: 441.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 4006
4001
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1784594283 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second