== sanity test 124b: lru resize (performance test) ================================================================================= 23:41:32 (1787802092)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 700 (time 1787802108.74 total 10.00 last 69.98)
 - open/close 1864 (time 1787802118.74 total 20.00 last 116.40)
 - open/close 2759 (time 1787802128.75 total 30.00 last 89.49)
 - open/close 3514 (time 1787802138.75 total 40.01 last 75.46)
 - open/close 4186 (time 1787802148.75 total 50.01 last 67.19)
 - open/close 4917 (time 1787802158.75 total 60.01 last 73.07)
 - open/close 5759 (time 1787802168.76 total 70.02 last 84.18)
 - open/close 6536 (time 1787802178.76 total 80.02 last 77.67)
 - open/close 7327 (time 1787802188.76 total 90.02 last 79.07)
total: 8000 open/close in 97.59 seconds: 81.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1787802366 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 716 (time 1787802492.91 total 10.00 last 71.58)
 - open/close 1455 (time 1787802502.92 total 20.02 last 73.80)
 - open/close 2051 (time 1787802512.95 total 30.05 last 59.42)
 - open/close 2700 (time 1787802522.97 total 40.06 last 64.82)
 - open/close 3431 (time 1787802532.97 total 50.07 last 73.05)
 - open/close 4163 (time 1787802542.98 total 60.07 last 73.14)
 - open/close 4828 (time 1787802552.99 total 70.08 last 66.44)
 - open/close 5607 (time 1787802563.00 total 80.09 last 77.81)
 - open/close 6362 (time 1787802573.02 total 90.11 last 75.37)
 - open/close 7088 (time 1787802583.03 total 100.12 last 72.50)
 - open/close 7758 (time 1787802593.04 total 110.13 last 66.98)
total: 8000 open/close in 115.01 seconds: 69.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1787802714 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second