== sanity test 124b: lru resize (performance test) ================================================================================= 00:37:51 (1746160671)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1209 (time 1746160683.60 total 10.00 last 120.87)
 - open/close 2445 (time 1746160693.61 total 20.00 last 123.57)
 - open/close 3669 (time 1746160703.61 total 30.01 last 122.38)
 - open/close 5075 (time 1746160713.61 total 40.01 last 140.52)
 - open/close 6373 (time 1746160723.62 total 50.02 last 129.72)
 - open/close 7432 (time 1746160733.63 total 60.02 last 105.85)
total: 8000 open/close in 64.80 seconds: 123.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1746160896 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second
 - open/close 1483 (time 1746160960.37 total 10.01 last 148.21)
 - open/close 3038 (time 1746160970.37 total 20.01 last 155.43)
 - open/close 5094 (time 1746160980.38 total 30.02 last 205.48)
 - open/close 6810 (time 1746160990.38 total 40.02 last 171.54)
total: 8000 open/close in 46.28 seconds: 172.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 26 seconds
lru_size = 8005
ls -la is 83% faster with lru resize enabled
 - unlinked 0 (time 1746161030 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second