== sanity test 124b: lru resize (performance test) ================================================================================= 06:30:43 (1787394643)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 611 (time 1787394657.36 total 10.03 last 60.90)
 - open/close 1196 (time 1787394667.37 total 20.04 last 58.48)
 - open/close 1735 (time 1787394677.39 total 30.06 last 53.80)
 - open/close 2296 (time 1787394687.39 total 40.06 last 56.06)
 - open/close 2952 (time 1787394697.40 total 50.07 last 65.54)
 - open/close 3587 (time 1787394707.42 total 60.09 last 63.38)
 - open/close 4247 (time 1787394717.43 total 70.10 last 65.96)
 - open/close 4845 (time 1787394727.44 total 80.11 last 59.73)
 - open/close 5377 (time 1787394737.44 total 90.11 last 53.18)
 - open/close 5968 (time 1787394747.45 total 100.12 last 59.08)
 - open/close 6588 (time 1787394757.45 total 110.12 last 61.99)
 - open/close 7203 (time 1787394767.46 total 120.13 last 61.41)
 - open/close 7776 (time 1787394777.47 total 130.14 last 57.24)
total: 8000 open/close in 134.50 seconds: 59.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 104 seconds
lru_size = 400
400
 - unlinked 0 (time 1787394896 ; total 0 ; last 0)
total: 8000 unlinks in 120 seconds: 66.666664 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 633 (time 1787395032.30 total 10.03 last 63.13)
 - open/close 1354 (time 1787395042.32 total 20.04 last 71.99)
 - open/close 2054 (time 1787395052.33 total 30.05 last 69.92)
 - open/close 2731 (time 1787395062.34 total 40.06 last 67.67)
 - open/close 3371 (time 1787395072.35 total 50.07 last 63.94)
 - open/close 4081 (time 1787395082.35 total 60.07 last 70.99)
 - open/close 4737 (time 1787395092.35 total 70.07 last 65.59)
 - open/close 5441 (time 1787395102.36 total 80.08 last 70.32)
 - open/close 6015 (time 1787395112.38 total 90.11 last 57.26)
 - open/close 6636 (time 1787395122.39 total 100.11 last 62.09)
 - open/close 7262 (time 1787395132.43 total 110.15 last 62.35)
 - open/close 7922 (time 1787395142.43 total 120.16 last 65.95)
total: 8000 open/close in 121.61 seconds: 65.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 4006
4001
ls -la is 2% faster with lru resize enabled
 - unlinked 0 (time 1787395263 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second