== sanity test 124b: lru resize (performance test) ================================================================================= 08:29:57 (1741696197)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2296 (time 1741696208.72 total 10.00 last 229.56)
 - open/close 4583 (time 1741696218.72 total 20.01 last 228.62)
 - open/close 6725 (time 1741696228.72 total 30.01 last 214.18)
total: 8000 open/close in 35.73 seconds: 223.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 400
 - unlinked 0 (time 1741696340 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second
 - open/close 2357 (time 1741696384.01 total 10.00 last 235.65)
 - open/close 4786 (time 1741696394.02 total 20.00 last 242.88)
 - open/close 7113 (time 1741696404.02 total 30.01 last 232.63)
total: 8000 open/close in 33.85 seconds: 236.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 8005
ls -la is 89% faster with lru resize enabled
 - unlinked 0 (time 1741696425 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second