== sanity test 124b: lru resize (performance test) ================================================================================= 18:58:28 (1778367508)
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 2427 (time 1778367520.05 total 10.00 last 242.68)
 - open/close 4538 (time 1778367530.05 total 20.00 last 211.05)
 - open/close 7352 (time 1778367540.05 total 30.00 last 281.37)
total: 8000 open/close in 31.51 seconds: 253.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 400
400
 - unlinked 0 (time 1778367639 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3231 (time 1778367667.78 total 10.00 last 323.00)
 - open/close 6252 (time 1778367677.78 total 20.00 last 302.10)
total: 8000 open/close in 26.87 seconds: 297.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 62 seconds
lru_size = 4006
4001
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1778367754 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second