== sanity test 124b: lru resize (performance test) ================================================================================= 15:29:18 (1780342158)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 796 (time 1780342172.32 total 10.01 last 79.55)
 - open/close 1617 (time 1780342182.32 total 20.01 last 82.05)
 - open/close 2429 (time 1780342192.32 total 30.01 last 81.19)
 - open/close 3232 (time 1780342202.33 total 40.02 last 80.27)
 - open/close 4075 (time 1780342212.33 total 50.02 last 84.28)
 - open/close 4804 (time 1780342222.34 total 60.03 last 72.78)
 - open/close 5593 (time 1780342232.36 total 70.05 last 78.80)
 - open/close 6394 (time 1780342242.36 total 80.05 last 80.04)
 - open/close 7297 (time 1780342252.36 total 90.06 last 90.29)
total: 8000 open/close in 98.59 seconds: 81.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 137 seconds
lru_size = 400
 - unlinked 0 (time 1780342405 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second
 - open/close 855 (time 1780342498.99 total 10.00 last 85.48)
 - open/close 1720 (time 1780342509.01 total 20.02 last 86.38)
 - open/close 2632 (time 1780342519.01 total 30.02 last 91.16)
 - open/close 3455 (time 1780342529.02 total 40.03 last 82.23)
 - open/close 4358 (time 1780342539.02 total 50.03 last 90.27)
 - open/close 5296 (time 1780342549.03 total 60.04 last 93.73)
 - open/close 6180 (time 1780342559.04 total 70.05 last 88.26)
 - open/close 7007 (time 1780342569.05 total 80.06 last 82.64)
 - open/close 7836 (time 1780342579.06 total 90.07 last 82.80)
total: 8000 open/close in 91.95 seconds: 87.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1780342660 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second