== sanity test 124b: lru resize (performance test) ================================================================================= 00:42:41 (1763358161)
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 2662 (time 1763358172.73 total 10.00 last 266.09)
 - open/close 4979 (time 1763358182.73 total 20.01 last 231.62)
 - open/close 7180 (time 1763358192.73 total 30.01 last 219.99)
total: 8000 open/close in 33.92 seconds: 235.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 400
400
 - unlinked 0 (time 1763358302 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2763 (time 1763358351.86 total 10.00 last 276.22)
 - open/close 5318 (time 1763358361.86 total 20.00 last 255.50)
 - open/close 7688 (time 1763358371.86 total 30.01 last 236.91)
total: 8000 open/close in 31.54 seconds: 253.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1763358447 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second