== sanity test 124b: lru resize (performance test) ================================================================================= 15:15:40 (1788981340)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 617 (time 1788981356.00 total 10.01 last 61.64)
 - open/close 1264 (time 1788981366.00 total 20.01 last 64.67)
 - open/close 1969 (time 1788981376.00 total 30.01 last 70.50)
 - open/close 2607 (time 1788981386.01 total 40.02 last 63.79)
 - open/close 3281 (time 1788981396.01 total 50.02 last 67.38)
 - open/close 3951 (time 1788981406.06 total 60.07 last 66.66)
 - open/close 4544 (time 1788981416.06 total 70.07 last 59.28)
 - open/close 5219 (time 1788981426.07 total 80.08 last 67.48)
 - open/close 5882 (time 1788981436.07 total 90.08 last 66.28)
 - open/close 6542 (time 1788981446.07 total 100.09 last 65.97)
 - open/close 7340 (time 1788981456.08 total 110.09 last 79.75)
total: 8000 open/close in 119.81 seconds: 66.77 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 1788981646 ; total 0 ; last 0)
total: 8000 unlinks in 120 seconds: 66.666664 unlinks/second
 - open/close 729 (time 1788981781.26 total 10.01 last 72.84)
 - open/close 1270 (time 1788981791.27 total 20.01 last 54.08)
 - open/close 1969 (time 1788981801.27 total 30.01 last 69.89)
 - open/close 2668 (time 1788981811.29 total 40.04 last 69.75)
 - open/close 3328 (time 1788981821.30 total 50.04 last 65.97)
 - open/close 4071 (time 1788981831.30 total 60.04 last 74.29)
 - open/close 4823 (time 1788981841.30 total 70.04 last 75.19)
 - open/close 5609 (time 1788981851.30 total 80.04 last 78.59)
 - open/close 6343 (time 1788981861.30 total 90.05 last 73.39)
 - open/close 6989 (time 1788981871.30 total 100.05 last 64.58)
 - open/close 7728 (time 1788981881.31 total 110.06 last 73.85)
total: 8000 open/close in 114.34 seconds: 69.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1788982011 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second