== sanity test 124b: lru resize (performance test) ================================================================================= 20:49:10 (1788223750)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 703 (time 1788223764.18 total 10.01 last 70.24)
 - open/close 1423 (time 1788223774.21 total 20.03 last 71.83)
 - open/close 2031 (time 1788223784.21 total 30.04 last 60.78)
 - open/close 2659 (time 1788223794.22 total 40.05 last 62.74)
 - open/close 3355 (time 1788223804.22 total 50.05 last 69.60)
 - open/close 3984 (time 1788223814.22 total 60.05 last 62.87)
 - open/close 4722 (time 1788223824.23 total 70.06 last 73.73)
 - open/close 5349 (time 1788223834.26 total 80.08 last 62.54)
 - open/close 5951 (time 1788223844.26 total 90.08 last 60.20)
 - open/close 6688 (time 1788223854.27 total 100.09 last 73.63)
 - open/close 7362 (time 1788223864.27 total 110.09 last 67.39)
 - open/close 7999 (time 1788223874.27 total 120.10 last 63.69)
total: 8000 open/close in 120.10 seconds: 66.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1788224055 ; total 0 ; last 0)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
 - open/close 713 (time 1788224198.15 total 10.02 last 71.18)
 - open/close 1437 (time 1788224208.15 total 20.02 last 72.40)
 - open/close 2121 (time 1788224218.16 total 30.03 last 68.32)
 - open/close 2828 (time 1788224228.16 total 40.03 last 70.67)
 - open/close 3510 (time 1788224238.16 total 50.04 last 68.19)
 - open/close 4230 (time 1788224248.17 total 60.04 last 71.97)
 - open/close 5036 (time 1788224258.17 total 70.04 last 80.56)
 - open/close 5803 (time 1788224268.18 total 80.05 last 76.63)
 - open/close 6515 (time 1788224278.18 total 90.05 last 71.20)
 - open/close 7162 (time 1788224288.19 total 100.06 last 64.68)
 - open/close 7830 (time 1788224298.19 total 110.06 last 66.77)
total: 8000 open/close in 112.36 seconds: 71.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1788224423 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second