== sanity test 124b: lru resize (performance test) ================================================================================= 12:48:06 (1787849286)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 641 (time 1787849301.50 total 10.00 last 64.09)
 - open/close 1293 (time 1787849311.51 total 20.01 last 65.14)
 - open/close 1966 (time 1787849321.52 total 30.02 last 67.21)
 - open/close 2587 (time 1787849331.54 total 40.04 last 62.01)
 - open/close 3298 (time 1787849341.55 total 50.05 last 71.00)
 - open/close 3915 (time 1787849351.55 total 60.05 last 61.70)
 - open/close 4447 (time 1787849361.56 total 70.06 last 53.16)
 - open/close 5038 (time 1787849371.57 total 80.07 last 59.07)
 - open/close 5619 (time 1787849381.58 total 90.08 last 58.01)
 - open/close 6267 (time 1787849391.60 total 100.10 last 64.69)
 - open/close 6905 (time 1787849401.61 total 110.11 last 63.74)
 - open/close 7539 (time 1787849411.61 total 120.12 last 63.35)
total: 8000 open/close in 127.99 seconds: 62.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 190 seconds
lru_size = 400
 - unlinked 0 (time 1787849622 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
 - open/close 558 (time 1787849764.32 total 10.03 last 55.66)
 - open/close 1158 (time 1787849774.34 total 20.05 last 59.87)
 - open/close 1686 (time 1787849784.36 total 30.06 last 52.73)
 - open/close 2394 (time 1787849794.36 total 40.06 last 70.77)
 - open/close 3098 (time 1787849804.36 total 50.07 last 70.39)
 - open/close 3751 (time 1787849814.37 total 60.07 last 65.29)
 - open/close 4428 (time 1787849824.38 total 70.08 last 67.63)
 - open/close 5050 (time 1787849834.38 total 80.08 last 62.18)
 - open/close 5679 (time 1787849844.39 total 90.09 last 62.85)
 - open/close 6359 (time 1787849854.40 total 100.10 last 67.94)
 - open/close 6999 (time 1787849864.40 total 110.10 last 63.98)
 - open/close 7675 (time 1787849874.40 total 120.11 last 67.56)
total: 8000 open/close in 124.81 seconds: 64.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1787849987 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second