== sanity test 124b: lru resize (performance test) ================================================================================= 23:38:20 (1775878700)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1413 (time 1775878712.80 total 10.00 last 141.26)
 - open/close 3009 (time 1775878722.80 total 20.00 last 159.60)
 - open/close 4642 (time 1775878732.80 total 30.01 last 163.26)
 - open/close 6061 (time 1775878742.81 total 40.01 last 141.83)
 - open/close 7833 (time 1775878752.81 total 50.01 last 177.20)
total: 8000 open/close in 50.74 seconds: 157.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 400
400
 - unlinked 0 (time 1775878846 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1951 (time 1775878878.64 total 10.00 last 195.05)
 - open/close 3892 (time 1775878888.64 total 20.00 last 194.10)
 - open/close 5978 (time 1775878898.64 total 30.01 last 208.54)
 - open/close 7649 (time 1775878908.64 total 40.01 last 167.04)
total: 8000 open/close in 42.41 seconds: 188.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 4006
4001
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1775878964 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second