== sanity test 124b: lru resize (performance test) ================================================================================= 12:21:10 (1786119670)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2842 (time 1786119683.04 total 10.00 last 284.07)
 - open/close 4447 (time 1786119693.04 total 20.01 last 160.47)
 - open/close 5830 (time 1786119703.04 total 30.01 last 138.29)
 - open/close 7190 (time 1786119713.04 total 40.01 last 135.98)
total: 8000 open/close in 45.37 seconds: 176.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 400
400
 - unlinked 0 (time 1786119806 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1851 (time 1786119834.37 total 10.00 last 185.07)
 - open/close 4125 (time 1786119844.37 total 20.00 last 227.36)
 - open/close 6103 (time 1786119854.37 total 30.01 last 197.72)
 - open/close 7954 (time 1786119864.38 total 40.01 last 185.08)
total: 8000 open/close in 40.23 seconds: 198.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4006
4001
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1786119924 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second