== sanity test 124b: lru resize (performance test) ================================================================================= 23:36:48 (1747798608)
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 2309 (time 1747798619.93 total 10.00 last 230.82)
 - open/close 4557 (time 1747798629.93 total 20.00 last 224.79)
 - open/close 6800 (time 1747798639.93 total 30.00 last 224.30)
total: 8000 open/close in 35.36 seconds: 226.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 400
400
 - unlinked 0 (time 1747798700 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2363 (time 1747798730.07 total 10.00 last 236.25)
 - open/close 4725 (time 1747798740.07 total 20.01 last 236.12)
 - open/close 7056 (time 1747798750.08 total 30.01 last 233.01)
total: 8000 open/close in 34.15 seconds: 234.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4006
4001
ls -la is 80% faster with lru resize enabled
 - unlinked 0 (time 1747798769 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second