== sanity test 124b: lru resize (performance test) ================================================================================= 13:34:36 (1777916076)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2024 (time 1777916088.21 total 10.00 last 202.32)
 - open/close 4103 (time 1777916098.22 total 20.01 last 207.83)
 - open/close 5396 (time 1777916108.22 total 30.01 last 129.28)
 - open/close 7228 (time 1777916118.22 total 40.01 last 183.16)
total: 8000 open/close in 43.80 seconds: 182.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 400
 - unlinked 0 (time 1777916226 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
 - open/close 2088 (time 1777916260.35 total 10.00 last 208.73)
 - open/close 4313 (time 1777916270.36 total 20.01 last 222.41)
 - open/close 6644 (time 1777916280.36 total 30.01 last 233.01)
total: 8000 open/close in 35.81 seconds: 223.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1777916348 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second