== sanity test 124b: lru resize (performance test) ================================================================================= 23:59:45 (1761969585)
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 1896 (time 1761969599.76 total 10.00 last 189.57)
 - open/close 3853 (time 1761969609.77 total 20.00 last 195.66)
 - open/close 5818 (time 1761969619.77 total 30.01 last 196.40)
 - open/close 7789 (time 1761969629.78 total 40.01 last 197.01)
total: 8000 open/close in 41.11 seconds: 194.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
400
 - unlinked 0 (time 1761969740 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1945 (time 1761969777.02 total 10.00 last 194.45)
 - open/close 4787 (time 1761969787.02 total 20.00 last 284.17)
 - open/close 6859 (time 1761969797.03 total 30.01 last 207.14)
total: 8000 open/close in 35.45 seconds: 225.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 4006
4001
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1761969884 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second