== sanity test 124b: lru resize (performance test) ================================================================================= 11:14:14 (1788189254)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 816 (time 1788189269.10 total 10.01 last 81.52)
 - open/close 1659 (time 1788189279.10 total 20.01 last 84.28)
 - open/close 2471 (time 1788189289.12 total 30.03 last 81.06)
 - open/close 3359 (time 1788189299.13 total 40.04 last 88.73)
 - open/close 4185 (time 1788189309.14 total 50.05 last 82.47)
 - open/close 4934 (time 1788189319.16 total 60.06 last 74.80)
 - open/close 5732 (time 1788189329.16 total 70.07 last 79.76)
 - open/close 6542 (time 1788189339.17 total 80.08 last 80.95)
 - open/close 7324 (time 1788189349.18 total 90.08 last 78.13)
total: 8000 open/close in 98.78 seconds: 80.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 177 seconds
lru_size = 400
 - unlinked 0 (time 1788189544 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
 - open/close 715 (time 1788189664.03 total 10.02 last 71.37)
 - open/close 1440 (time 1788189674.05 total 20.04 last 72.37)
 - open/close 2036 (time 1788189684.06 total 30.04 last 59.57)
 - open/close 2563 (time 1788189694.06 total 40.05 last 52.66)
 - open/close 3093 (time 1788189704.08 total 50.06 last 52.94)
 - open/close 3655 (time 1788189714.08 total 60.07 last 56.16)
 - open/close 4472 (time 1788189724.09 total 70.07 last 81.68)
 - open/close 5314 (time 1788189734.10 total 80.08 last 84.11)
 - open/close 6167 (time 1788189744.10 total 90.08 last 85.27)
 - open/close 7019 (time 1788189754.11 total 100.09 last 85.15)
 - open/close 7865 (time 1788189764.12 total 110.10 last 84.50)
total: 8000 open/close in 111.80 seconds: 71.56 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 49% faster with lru resize enabled
 - unlinked 0 (time 1788189878 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second