== sanity test 124b: lru resize (performance test) ================================================================================= 01:05:59 (1789448759)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 702 (time 1789448774.57 total 10.01 last 70.15)
 - open/close 1386 (time 1789448784.58 total 20.01 last 68.34)
 - open/close 2107 (time 1789448794.59 total 30.02 last 72.03)
 - open/close 2844 (time 1789448804.59 total 40.02 last 73.70)
 - open/close 3604 (time 1789448814.59 total 50.02 last 76.00)
 - open/close 4390 (time 1789448824.60 total 60.03 last 78.54)
 - open/close 5102 (time 1789448834.61 total 70.04 last 71.13)
 - open/close 5902 (time 1789448844.61 total 80.04 last 79.98)
 - open/close 6575 (time 1789448854.62 total 90.05 last 67.25)
 - open/close 7315 (time 1789448864.62 total 100.05 last 73.99)
 - open/close 7906 (time 1789448874.63 total 110.06 last 59.06)
total: 8000 open/close in 111.53 seconds: 71.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 161 seconds
lru_size = 400
 - unlinked 0 (time 1789449047 ; total 0 ; last 0)
total: 8000 unlinks in 109 seconds: 73.394493 unlinks/second
 - open/close 781 (time 1789449170.87 total 10.01 last 78.02)
 - open/close 1516 (time 1789449180.88 total 20.02 last 73.44)
 - open/close 2309 (time 1789449190.90 total 30.04 last 79.15)
 - open/close 3079 (time 1789449200.90 total 40.05 last 76.94)
 - open/close 3901 (time 1789449210.91 total 50.05 last 82.20)
 - open/close 4682 (time 1789449220.91 total 60.06 last 78.02)
 - open/close 5463 (time 1789449230.92 total 70.06 last 78.08)
 - open/close 6171 (time 1789449240.93 total 80.07 last 70.71)
 - open/close 6943 (time 1789449250.93 total 90.07 last 77.19)
 - open/close 7696 (time 1789449260.94 total 100.08 last 75.23)
total: 8000 open/close in 103.92 seconds: 76.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1789449364 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second