== sanity test 124b: lru resize (performance test) ================================================================================= 02:31:54 (1763883114)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2017 (time 1763883127.37 total 10.00 last 201.61)
 - open/close 4040 (time 1763883137.38 total 20.01 last 202.20)
 - open/close 6009 (time 1763883147.38 total 30.01 last 196.89)
 - open/close 7967 (time 1763883157.38 total 40.01 last 195.78)
total: 8000 open/close in 40.18 seconds: 199.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 400
400
 - unlinked 0 (time 1763883260 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2011 (time 1763883292.09 total 10.00 last 201.03)
 - open/close 4069 (time 1763883302.10 total 20.01 last 205.72)
 - open/close 6494 (time 1763883312.10 total 30.01 last 242.40)
total: 8000 open/close in 37.50 seconds: 213.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 57 seconds
lru_size = 4006
4001
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1763883387 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second