== sanity test 124b: lru resize (performance test) ================================================================================= 12:30:34 (1788539434)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 698 (time 1788539448.41 total 10.01 last 69.72)
 - open/close 1397 (time 1788539458.42 total 20.02 last 69.84)
 - open/close 2100 (time 1788539468.42 total 30.02 last 70.28)
 - open/close 2752 (time 1788539478.43 total 40.03 last 65.16)
 - open/close 3441 (time 1788539488.46 total 50.06 last 68.66)
 - open/close 4135 (time 1788539498.47 total 60.07 last 69.36)
 - open/close 4807 (time 1788539508.47 total 70.07 last 67.19)
 - open/close 5453 (time 1788539518.48 total 80.08 last 64.53)
 - open/close 6097 (time 1788539528.49 total 90.09 last 64.34)
 - open/close 6760 (time 1788539538.49 total 100.09 last 66.28)
 - open/close 7407 (time 1788539548.50 total 110.10 last 64.64)
total: 8000 open/close in 118.90 seconds: 67.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 170 seconds
lru_size = 400
 - unlinked 0 (time 1788539737 ; total 0 ; last 0)
total: 8000 unlinks in 129 seconds: 62.015503 unlinks/second
 - open/close 674 (time 1788539881.77 total 10.01 last 67.36)
 - open/close 1328 (time 1788539891.78 total 20.01 last 65.37)
 - open/close 2031 (time 1788539901.79 total 30.02 last 70.22)
 - open/close 2682 (time 1788539911.79 total 40.02 last 65.10)
 - open/close 3379 (time 1788539921.79 total 50.03 last 69.67)
 - open/close 4077 (time 1788539931.82 total 60.05 last 69.63)
 - open/close 4715 (time 1788539941.83 total 70.06 last 63.72)
 - open/close 5410 (time 1788539951.85 total 80.08 last 69.39)
 - open/close 6068 (time 1788539961.85 total 90.08 last 65.77)
 - open/close 6727 (time 1788539971.86 total 100.09 last 65.85)
 - open/close 7444 (time 1788539981.87 total 110.10 last 71.65)
total: 8000 open/close in 117.30 seconds: 68.20 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 49% faster with lru resize enabled
 - unlinked 0 (time 1788540097 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second