== sanity test 124b: lru resize (performance test) ================================================================================= 00:39:30 (1788842370)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 869 (time 1788842384.00 total 10.01 last 86.78)
 - open/close 1689 (time 1788842394.01 total 20.02 last 81.94)
 - open/close 2529 (time 1788842404.02 total 30.03 last 83.91)
 - open/close 3323 (time 1788842414.02 total 40.03 last 79.39)
 - open/close 4076 (time 1788842424.02 total 50.04 last 75.28)
 - open/close 4910 (time 1788842434.03 total 60.04 last 83.36)
 - open/close 5730 (time 1788842444.03 total 70.04 last 81.97)
 - open/close 6507 (time 1788842454.04 total 80.06 last 77.59)
 - open/close 7193 (time 1788842464.07 total 90.09 last 68.41)
 - open/close 7971 (time 1788842474.08 total 100.10 last 77.72)
total: 8000 open/close in 100.46 seconds: 79.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 155 seconds
lru_size = 400
 - unlinked 0 (time 1788842637 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
 - open/close 786 (time 1788842751.55 total 10.00 last 78.58)
 - open/close 1557 (time 1788842761.55 total 20.01 last 77.06)
 - open/close 2380 (time 1788842771.56 total 30.01 last 82.28)
 - open/close 3246 (time 1788842781.56 total 40.01 last 86.59)
 - open/close 4148 (time 1788842791.56 total 50.02 last 90.16)
 - open/close 5052 (time 1788842801.56 total 60.02 last 90.38)
 - open/close 5789 (time 1788842811.57 total 70.03 last 73.66)
 - open/close 6578 (time 1788842821.57 total 80.03 last 78.87)
 - open/close 7360 (time 1788842831.58 total 90.03 last 78.16)
total: 8000 open/close in 98.04 seconds: 81.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1788842936 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second