== sanity test 124b: lru resize (performance test) ================================================================================= 08:50:07 (1786193407)
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 2943 (time 1786193421.64 total 10.00 last 294.23)
 - open/close 6576 (time 1786193431.64 total 20.00 last 363.28)
total: 8000 open/close in 24.23 seconds: 330.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 400
400
 - unlinked 0 (time 1786193520 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2858 (time 1786193545.67 total 10.00 last 285.75)
 - open/close 6136 (time 1786193555.68 total 20.00 last 327.74)
total: 8000 open/close in 27.09 seconds: 295.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 4052
3955
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1786193624 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second