== sanity test 124b: lru resize (performance test) ================================================================================= 22:22:02 (1788661322)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 633 (time 1788661336.20 total 10.01 last 63.25)
 - open/close 1253 (time 1788661346.20 total 20.01 last 61.97)
 - open/close 1911 (time 1788661356.21 total 30.02 last 65.78)
 - open/close 2620 (time 1788661366.21 total 40.02 last 70.88)
 - open/close 3314 (time 1788661376.21 total 50.02 last 69.40)
 - open/close 4006 (time 1788661386.22 total 60.03 last 69.16)
 - open/close 4814 (time 1788661396.22 total 70.03 last 80.79)
 - open/close 5563 (time 1788661406.23 total 80.04 last 74.78)
 - open/close 6240 (time 1788661416.25 total 90.06 last 67.61)
 - open/close 6936 (time 1788661426.25 total 100.06 last 69.56)
 - open/close 7603 (time 1788661436.27 total 110.08 last 66.56)
total: 8000 open/close in 115.27 seconds: 69.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 171 seconds
lru_size = 400
 - unlinked 0 (time 1788661622 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
 - open/close 754 (time 1788661741.80 total 10.00 last 75.40)
 - open/close 1546 (time 1788661751.84 total 20.04 last 78.92)
 - open/close 2309 (time 1788661761.84 total 30.04 last 76.28)
 - open/close 3020 (time 1788661771.85 total 40.04 last 71.05)
 - open/close 3714 (time 1788661781.85 total 50.05 last 69.36)
 - open/close 4448 (time 1788661791.86 total 60.06 last 73.33)
 - open/close 5127 (time 1788661801.87 total 70.07 last 67.84)
 - open/close 5914 (time 1788661811.88 total 80.08 last 78.64)
 - open/close 6661 (time 1788661821.89 total 90.08 last 74.65)
 - open/close 7323 (time 1788661831.89 total 100.09 last 66.16)
total: 8000 open/close in 109.57 seconds: 73.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1788661945 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second