== sanity test 124b: lru resize (performance test) ================================================================================= 03:10:05 (1738483805)
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 2392 (time 1738483817.41 total 10.00 last 239.20)
 - open/close 4757 (time 1738483827.42 total 20.00 last 236.43)
 - open/close 7160 (time 1738483837.42 total 30.01 last 240.22)
total: 8000 open/close in 32.95 seconds: 242.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 400
400
 - unlinked 0 (time 1738483893 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2386 (time 1738483922.90 total 10.00 last 238.57)
 - open/close 4803 (time 1738483932.90 total 20.00 last 241.67)
 - open/close 7172 (time 1738483942.90 total 30.00 last 236.89)
total: 8000 open/close in 33.64 seconds: 237.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4006
4001
ls -la is 82% faster with lru resize enabled
 - unlinked 0 (time 1738483962 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second