== sanity test 124b: lru resize (performance test) ================================================================================= 21:39:59 (1786844399)
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 2314 (time 1786844411.95 total 10.00 last 231.35)
 - open/close 4437 (time 1786844421.95 total 20.00 last 212.27)
 - open/close 6496 (time 1786844431.95 total 30.01 last 205.85)
total: 8000 open/close in 36.76 seconds: 217.66 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 1786844537 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2151 (time 1786844581.94 total 10.00 last 215.00)
 - open/close 4346 (time 1786844591.94 total 20.01 last 219.43)
 - open/close 6721 (time 1786844601.94 total 30.01 last 237.43)
total: 8000 open/close in 36.23 seconds: 220.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 4006
4001
ls -la is 19% faster with lru resize enabled
 - unlinked 0 (time 1786844694 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second