== sanity test 124b: lru resize (performance test) ================================================================================= 23:35:11 (1743737711)
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 2293 (time 1743737722.83 total 10.00 last 229.22)
 - open/close 4552 (time 1743737732.83 total 20.00 last 225.89)
 - open/close 6849 (time 1743737742.83 total 30.01 last 229.66)
total: 8000 open/close in 35.02 seconds: 228.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 400
400
 - unlinked 0 (time 1743737802 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2340 (time 1743737832.17 total 10.00 last 233.92)
 - open/close 4696 (time 1743737842.18 total 20.01 last 235.53)
 - open/close 7061 (time 1743737852.18 total 30.01 last 236.49)
total: 8000 open/close in 34.00 seconds: 235.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 80% faster with lru resize enabled
 - unlinked 0 (time 1743737872 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second