== sanity test 124b: lru resize (performance test) ================================================================================= 12:28:52 (1783960132)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 611 (time 1783960148.05 total 10.01 last 61.06)
 - open/close 1200 (time 1783960158.06 total 20.01 last 58.85)
 - open/close 1729 (time 1783960168.07 total 30.02 last 52.85)
 - open/close 2340 (time 1783960178.08 total 40.03 last 61.04)
 - open/close 2896 (time 1783960188.08 total 50.04 last 55.56)
 - open/close 3467 (time 1783960198.09 total 60.05 last 57.07)
 - open/close 4050 (time 1783960208.10 total 70.06 last 58.23)
 - open/close 4612 (time 1783960218.12 total 80.08 last 56.07)
 - open/close 5190 (time 1783960228.16 total 90.11 last 57.61)
 - open/close 5721 (time 1783960238.16 total 100.12 last 53.07)
 - open/close 6205 (time 1783960248.19 total 110.14 last 48.29)
 - open/close 6720 (time 1783960258.20 total 120.16 last 51.43)
 - open/close 7250 (time 1783960268.24 total 130.20 last 52.79)
 - open/close 7796 (time 1783960278.25 total 140.21 last 54.53)
total: 8000 open/close in 144.14 seconds: 55.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 235 seconds
lru_size = 400
 - unlinked 0 (time 1783960531 ; total 0 ; last 0)
total: 8000 unlinks in 151 seconds: 52.980133 unlinks/second
 - open/close 533 (time 1783960697.65 total 10.01 last 53.25)
 - open/close 1081 (time 1783960707.66 total 20.01 last 54.78)
 - open/close 1627 (time 1783960717.68 total 30.04 last 54.48)
 - open/close 2278 (time 1783960727.72 total 40.07 last 64.87)
 - open/close 2819 (time 1783960737.73 total 50.08 last 54.04)
 - open/close 3376 (time 1783960747.74 total 60.09 last 55.64)
 - open/close 3990 (time 1783960757.74 total 70.10 last 61.36)
 - open/close 4588 (time 1783960767.75 total 80.11 last 59.75)
 - open/close 5114 (time 1783960777.77 total 90.12 last 52.52)
 - open/close 5652 (time 1783960787.77 total 100.12 last 53.79)
 - open/close 6210 (time 1783960797.77 total 110.13 last 55.76)
 - open/close 6829 (time 1783960807.79 total 120.14 last 61.81)
 - open/close 7399 (time 1783960817.79 total 130.15 last 56.96)
 - open/close 7980 (time 1783960827.81 total 140.16 last 58.03)
total: 8000 open/close in 140.44 seconds: 56.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 8005
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1783960955 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second