== sanity test 124b: lru resize (performance test) ================================================================================= 17:36:40 (1787866600)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 834 (time 1787866614.82 total 10.00 last 83.39)
 - open/close 1651 (time 1787866624.83 total 20.01 last 81.63)
 - open/close 2491 (time 1787866634.84 total 30.02 last 83.90)
 - open/close 3407 (time 1787866644.84 total 40.03 last 91.56)
 - open/close 4316 (time 1787866654.85 total 50.03 last 90.86)
 - open/close 5181 (time 1787866664.85 total 60.03 last 86.50)
 - open/close 6033 (time 1787866674.86 total 70.04 last 85.10)
 - open/close 6792 (time 1787866684.87 total 80.05 last 75.86)
 - open/close 7563 (time 1787866694.87 total 90.06 last 77.03)
total: 8000 open/close in 95.90 seconds: 83.42 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 1787866870 ; total 0 ; last 0)
total: 8000 unlinks in 97 seconds: 82.474228 unlinks/second
 - open/close 710 (time 1787866984.52 total 10.02 last 70.84)
 - open/close 1495 (time 1787866994.53 total 20.03 last 78.47)
 - open/close 2229 (time 1787867004.54 total 30.04 last 73.34)
 - open/close 2903 (time 1787867014.55 total 40.05 last 67.33)
 - open/close 3670 (time 1787867024.60 total 50.09 last 76.34)
 - open/close 4426 (time 1787867034.60 total 60.10 last 75.56)
 - open/close 5179 (time 1787867044.60 total 70.10 last 75.29)
 - open/close 5971 (time 1787867054.61 total 80.11 last 79.15)
 - open/close 6830 (time 1787867064.61 total 90.11 last 85.87)
 - open/close 7669 (time 1787867074.61 total 100.11 last 83.87)
total: 8000 open/close in 104.73 seconds: 76.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787867186 ; total 1 ; last 1)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second