== sanity test 124b: lru resize (performance test) ================================================================================= 16:49:26 (1788209366)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 648 (time 1788209381.33 total 10.02 last 64.66)
 - open/close 1326 (time 1788209391.33 total 20.03 last 67.76)
 - open/close 1978 (time 1788209401.33 total 30.03 last 65.18)
 - open/close 2635 (time 1788209411.34 total 40.04 last 65.67)
 - open/close 3388 (time 1788209421.34 total 50.04 last 75.26)
 - open/close 4088 (time 1788209431.35 total 60.05 last 69.95)
 - open/close 4797 (time 1788209441.35 total 70.05 last 70.87)
 - open/close 5529 (time 1788209451.37 total 80.07 last 73.06)
 - open/close 6264 (time 1788209461.39 total 90.08 last 73.41)
 - open/close 6991 (time 1788209471.39 total 100.09 last 72.65)
 - open/close 7697 (time 1788209481.39 total 110.09 last 70.59)
total: 8000 open/close in 114.27 seconds: 70.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1788209678 ; total 0 ; last 0)
total: 8000 unlinks in 122 seconds: 65.573769 unlinks/second
 - open/close 608 (time 1788209815.92 total 10.01 last 60.75)
 - open/close 1243 (time 1788209825.92 total 20.01 last 63.49)
 - open/close 1875 (time 1788209835.93 total 30.01 last 63.18)
 - open/close 2570 (time 1788209845.93 total 40.01 last 69.49)
 - open/close 3252 (time 1788209855.93 total 50.02 last 68.19)
 - open/close 3984 (time 1788209865.95 total 60.03 last 73.07)
 - open/close 4717 (time 1788209875.96 total 70.04 last 73.24)
 - open/close 5444 (time 1788209885.97 total 80.05 last 72.64)
 - open/close 6127 (time 1788209895.97 total 90.05 last 68.28)
 - open/close 6789 (time 1788209905.97 total 100.06 last 66.16)
 - open/close 7393 (time 1788209915.98 total 110.07 last 60.35)
total: 8000 open/close in 119.07 seconds: 67.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1788210044 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second