== sanity test 124b: lru resize (performance test) ================================================================================= 04:29:58 (1739525398)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2450 (time 1739525409.64 total 10.00 last 244.99)
 - open/close 4406 (time 1739525419.64 total 20.00 last 195.56)
 - open/close 5983 (time 1739525429.65 total 30.01 last 157.64)
 - open/close 7517 (time 1739525439.65 total 40.01 last 153.32)
total: 8000 open/close in 42.88 seconds: 186.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 127 seconds
lru_size = 400
 - unlinked 0 (time 1739525573 ; total 0 ; last 0)
total: 8000 unlinks in 45 seconds: 177.777771 unlinks/second
 - open/close 1370 (time 1739525629.93 total 10.00 last 136.98)
 - open/close 2918 (time 1739525639.93 total 20.01 last 154.73)
 - open/close 4547 (time 1739525649.93 total 30.01 last 162.90)
 - open/close 6346 (time 1739525659.93 total 40.01 last 179.85)
 - open/close 7726 (time 1739525669.94 total 50.02 last 137.91)
total: 8000 open/close in 51.94 seconds: 154.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 34 seconds
lru_size = 8005
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1739525715 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second