== sanity test 124b: lru resize (performance test) ================================================================================= 10:13:47 (1788358427)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2769 (time 1788358439.93 total 10.00 last 276.88)
 - open/close 5659 (time 1788358449.93 total 20.00 last 288.87)
total: 8000 open/close in 27.64 seconds: 289.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 400
400
 - unlinked 0 (time 1788358567 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2154 (time 1788358603.95 total 10.00 last 215.39)
 - open/close 4267 (time 1788358613.95 total 20.00 last 211.27)
 - open/close 7749 (time 1788358623.96 total 30.01 last 348.02)
total: 8000 open/close in 30.77 seconds: 260.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4052
3955
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1788358683 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second