== sanity test 124b: lru resize (performance test) ================================================================================= 00:06:17 (1775880377)
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 3428 (time 1775880390.96 total 10.00 last 342.75)
 - open/close 7855 (time 1775880400.96 total 20.00 last 442.64)
total: 8000 open/close in 20.32 seconds: 393.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 400
400
 - unlinked 0 (time 1775880471 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4687 (time 1775880494.06 total 10.00 last 468.63)
total: 8000 open/close in 16.89 seconds: 473.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 4006
4001
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1775880549 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second