== sanity test 124b: lru resize (performance test) ================================================================================= 04:44:03 (1780389843)
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 3535 (time 1780389856.54 total 10.00 last 353.43)
 - open/close 6998 (time 1780389866.54 total 20.00 last 346.30)
total: 8000 open/close in 22.56 seconds: 354.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 400
400
 - unlinked 0 (time 1780389970 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1289 (time 1780390045.01 total 10.01 last 128.80)
 - open/close 2900 (time 1780390055.01 total 20.01 last 161.07)
 - open/close 4448 (time 1780390065.02 total 30.01 last 154.73)
 - open/close 6002 (time 1780390075.02 total 40.02 last 155.32)
 - open/close 7509 (time 1780390085.02 total 50.02 last 150.70)
total: 8000 open/close in 53.18 seconds: 150.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1780390150 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second