== sanity test 124b: lru resize (performance test) ================================================================================= 19:28:16 (1786836496)
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 2807 (time 1786836509.64 total 10.00 last 280.69)
 - open/close 5949 (time 1786836519.64 total 20.00 last 314.14)
total: 8000 open/close in 27.78 seconds: 288.02 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 1786836612 ; 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 3948 (time 1786836638.47 total 10.00 last 394.79)
 - open/close 6700 (time 1786836648.48 total 20.00 last 275.08)
total: 8000 open/close in 25.95 seconds: 308.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 4052
3955
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1786836718 ; total 1 ; last 1)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second