== sanity test 124b: lru resize (performance test) ================================================================================= 00:00:15 (1746072015)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2127 (time 1746072026.95 total 10.00 last 212.62)
 - open/close 3702 (time 1746072036.95 total 20.01 last 157.47)
 - open/close 5580 (time 1746072046.96 total 30.01 last 187.74)
 - open/close 7485 (time 1746072056.96 total 40.01 last 190.46)
total: 8000 open/close in 42.79 seconds: 186.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 116 seconds
lru_size = 400
 - unlinked 0 (time 1746072178 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second
 - open/close 1750 (time 1746072238.17 total 10.01 last 174.90)
 - open/close 3337 (time 1746072248.17 total 20.01 last 158.67)
 - open/close 4974 (time 1746072258.17 total 30.01 last 163.63)
 - open/close 6532 (time 1746072268.18 total 40.02 last 155.72)
total: 8000 open/close in 47.93 seconds: 166.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 21 seconds
lru_size = 8005
ls -la is 81% faster with lru resize enabled
 - unlinked 0 (time 1746072303 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second