== sanity test 124b: lru resize (performance test) ================================================================================= 02:37:05 (1763883425)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1938 (time 1763883437.71 total 10.00 last 193.78)
 - open/close 3902 (time 1763883447.71 total 20.00 last 196.40)
 - open/close 5273 (time 1763883457.74 total 30.03 last 136.72)
 - open/close 6129 (time 1763883467.75 total 40.03 last 85.57)
total: 8000 open/close in 49.62 seconds: 161.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 400
 - unlinked 0 (time 1763883591 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second
 - open/close 1951 (time 1763883628.70 total 10.00 last 195.08)
 - open/close 3936 (time 1763883638.70 total 20.00 last 198.42)
 - open/close 5955 (time 1763883648.71 total 30.01 last 201.82)
 - open/close 7938 (time 1763883658.71 total 40.01 last 198.27)
total: 8000 open/close in 40.31 seconds: 198.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 8005
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1763883741 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second