== sanity test 124b: lru resize (performance test) ================================================================================= 16:56:08 (1777582568)
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 675 (time 1777582583.56 total 10.00 last 67.49)
 - open/close 1262 (time 1777582593.56 total 20.00 last 58.69)
 - open/close 1984 (time 1777582603.56 total 30.00 last 72.19)
 - open/close 2646 (time 1777582613.57 total 40.01 last 66.14)
 - open/close 3303 (time 1777582623.57 total 50.01 last 65.70)
 - open/close 3987 (time 1777582633.58 total 60.02 last 68.33)
 - open/close 4665 (time 1777582643.59 total 70.03 last 67.77)
 - open/close 5331 (time 1777582653.61 total 80.05 last 66.46)
 - open/close 5912 (time 1777582663.63 total 90.07 last 57.97)
 - open/close 6564 (time 1777582673.64 total 100.08 last 65.13)
 - open/close 7212 (time 1777582683.67 total 110.11 last 64.65)
 - open/close 7857 (time 1777582693.67 total 120.11 last 64.46)
total: 8000 open/close in 122.10 seconds: 65.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 181 seconds
lru_size = 400
400
 - unlinked 0 (time 1777582886 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 645 (time 1777583034.33 total 10.02 last 64.37)
 - open/close 1311 (time 1777583044.34 total 20.03 last 66.53)
 - open/close 1938 (time 1777583054.34 total 30.04 last 62.66)
 - open/close 2573 (time 1777583064.34 total 40.04 last 63.49)
 - open/close 3168 (time 1777583074.35 total 50.04 last 59.48)
 - open/close 3877 (time 1777583084.36 total 60.06 last 70.78)
 - open/close 4557 (time 1777583094.37 total 70.06 last 67.98)
 - open/close 5255 (time 1777583104.38 total 80.08 last 69.67)
 - open/close 5948 (time 1777583114.41 total 90.11 last 69.10)
 - open/close 6513 (time 1777583124.41 total 100.11 last 56.49)
 - open/close 7141 (time 1777583134.42 total 110.11 last 62.79)
 - open/close 7842 (time 1777583144.43 total 120.12 last 70.02)
total: 8000 open/close in 122.47 seconds: 65.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 4006
4001
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1777583259 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second