== sanity test 124b: lru resize (performance test) ================================================================================= 01:01:27 (1789189287)
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 5029 (time 1789189301.85 total 10.00 last 502.86)
total: 8000 open/close in 16.22 seconds: 493.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
400
 - unlinked 0 (time 1789189375 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4203 (time 1789189398.55 total 10.00 last 420.22)
total: 8000 open/close in 19.65 seconds: 407.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 4006
4001
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1789189457 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second