== sanity test 124b: lru resize (performance test) ================================================================================= 22:03:30 (1777428210)
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 4706 (time 1777428224.30 total 10.00 last 470.56)
total: 8000 open/close in 17.16 seconds: 466.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
400
 - unlinked 0 (time 1777428305 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3383 (time 1777428327.67 total 10.00 last 338.29)
 - open/close 7791 (time 1777428337.67 total 20.00 last 440.77)
total: 8000 open/close in 20.43 seconds: 391.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 4052
3955
ls -la is 26% faster with lru resize enabled
 - unlinked 0 (time 1777428397 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second