== sanity test 124b: lru resize (performance test) ================================================================================= 07:50:33 (1789645833)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 773 (time 1789645847.04 total 10.02 last 77.16)
 - open/close 1456 (time 1789645857.05 total 20.03 last 68.23)
 - open/close 2191 (time 1789645867.05 total 30.03 last 73.46)
 - open/close 2945 (time 1789645877.06 total 40.03 last 75.38)
 - open/close 3690 (time 1789645887.06 total 50.04 last 74.45)
 - open/close 4434 (time 1789645897.07 total 60.05 last 74.32)
 - open/close 5145 (time 1789645907.10 total 70.08 last 70.93)
 - open/close 5819 (time 1789645917.11 total 80.08 last 67.35)
 - open/close 6520 (time 1789645927.11 total 90.09 last 70.06)
 - open/close 7224 (time 1789645937.11 total 100.09 last 70.39)
 - open/close 7876 (time 1789645947.12 total 110.10 last 65.17)
total: 8000 open/close in 111.82 seconds: 71.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1789646142 ; total 1 ; last 1)
total: 8000 unlinks in 122 seconds: 65.573769 unlinks/second
 - open/close 649 (time 1789646279.60 total 10.01 last 64.85)
 - open/close 1377 (time 1789646289.61 total 20.02 last 72.72)
 - open/close 2029 (time 1789646299.62 total 30.02 last 65.17)
 - open/close 2729 (time 1789646309.63 total 40.04 last 69.87)
 - open/close 3310 (time 1789646319.64 total 50.05 last 58.06)
 - open/close 3972 (time 1789646329.65 total 60.06 last 66.15)
 - open/close 4683 (time 1789646339.65 total 70.06 last 71.06)
 - open/close 5399 (time 1789646349.66 total 80.07 last 71.56)
 - open/close 6087 (time 1789646359.66 total 90.07 last 68.77)
 - open/close 6678 (time 1789646369.68 total 100.09 last 59.00)
 - open/close 7347 (time 1789646379.68 total 110.09 last 66.90)
total: 8000 open/close in 119.45 seconds: 66.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1789646508 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second