== sanity test 124b: lru resize (performance test) ================================================================================= 08:43:25 (1746794605)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2448 (time 1746794617.38 total 10.00 last 244.71)
 - open/close 4933 (time 1746794627.39 total 20.01 last 248.42)
 - open/close 7309 (time 1746794637.39 total 30.01 last 237.50)
total: 8000 open/close in 32.52 seconds: 246.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
 - unlinked 0 (time 1746794748 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
 - open/close 2562 (time 1746794789.66 total 10.00 last 256.19)
 - open/close 5286 (time 1746794799.66 total 20.00 last 272.28)
 - open/close 7673 (time 1746794809.67 total 30.01 last 238.63)
total: 8000 open/close in 31.36 seconds: 255.09 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 1746794828 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second