== sanity test 124b: lru resize (performance test) ================================================================================= 07:06:24 (1788519984)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 858 (time 1788519998.21 total 10.01 last 85.68)
 - open/close 1657 (time 1788520008.21 total 20.02 last 79.87)
 - open/close 2454 (time 1788520018.21 total 30.02 last 79.68)
 - open/close 3077 (time 1788520028.22 total 40.03 last 62.25)
 - open/close 3609 (time 1788520038.24 total 50.05 last 53.11)
 - open/close 4097 (time 1788520048.24 total 60.05 last 48.78)
 - open/close 4720 (time 1788520058.26 total 70.06 last 62.21)
 - open/close 5558 (time 1788520068.26 total 80.06 last 83.80)
 - open/close 6419 (time 1788520078.26 total 90.07 last 86.08)
 - open/close 7187 (time 1788520088.27 total 100.08 last 76.73)
 - open/close 7923 (time 1788520098.27 total 110.08 last 73.59)
total: 8000 open/close in 110.83 seconds: 72.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1788520276 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 597 (time 1788520396.21 total 10.03 last 59.54)
 - open/close 1231 (time 1788520406.21 total 20.03 last 63.40)
 - open/close 1938 (time 1788520416.21 total 30.03 last 70.67)
 - open/close 2625 (time 1788520426.21 total 40.03 last 68.69)
 - open/close 3334 (time 1788520436.23 total 50.05 last 70.79)
 - open/close 4107 (time 1788520446.23 total 60.05 last 77.26)
 - open/close 4860 (time 1788520456.24 total 70.06 last 75.26)
 - open/close 5563 (time 1788520466.26 total 80.08 last 70.18)
 - open/close 6324 (time 1788520476.27 total 90.09 last 75.97)
 - open/close 6962 (time 1788520486.28 total 100.10 last 63.76)
 - open/close 7680 (time 1788520496.28 total 110.11 last 71.77)
total: 8000 open/close in 114.51 seconds: 69.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1788520607 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second