== sanity test 124b: lru resize (performance test) ================================================================================= 14:51:10 (1783450270)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1455 (time 1783450282.63 total 10.01 last 145.41)
 - open/close 3000 (time 1783450292.63 total 20.01 last 154.42)
 - open/close 4561 (time 1783450302.63 total 30.01 last 156.09)
 - open/close 6065 (time 1783450312.64 total 40.02 last 150.29)
 - open/close 7556 (time 1783450322.65 total 50.03 last 148.99)
total: 8000 open/close in 52.86 seconds: 151.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 400
 - unlinked 0 (time 1783450416 ; total 0 ; last 0)
total: 8000 unlinks in 40 seconds: 200.000000 unlinks/second
 - open/close 1563 (time 1783450469.62 total 10.00 last 156.25)
 - open/close 3320 (time 1783450479.62 total 20.01 last 175.66)
 - open/close 5418 (time 1783450489.63 total 30.01 last 209.73)
 - open/close 7770 (time 1783450499.63 total 40.01 last 235.18)
total: 8000 open/close in 41.01 seconds: 195.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1783450562 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second