== sanity test 124b: lru resize (performance test) ================================================================================= 09:27:34 (1787146054)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 803 (time 1787146070.19 total 10.01 last 80.20)
 - open/close 1570 (time 1787146080.20 total 20.02 last 76.66)
 - open/close 2386 (time 1787146090.21 total 30.02 last 81.55)
 - open/close 3125 (time 1787146100.21 total 40.03 last 73.86)
 - open/close 4006 (time 1787146110.22 total 50.04 last 87.99)
 - open/close 4666 (time 1787146120.24 total 60.06 last 65.89)
 - open/close 5483 (time 1787146130.25 total 70.06 last 81.65)
 - open/close 6394 (time 1787146140.25 total 80.07 last 91.06)
 - open/close 7267 (time 1787146150.26 total 90.08 last 87.24)
total: 8000 open/close in 98.08 seconds: 81.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 400
400
 - unlinked 0 (time 1787146269 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 760 (time 1787146380.73 total 10.00 last 75.99)
 - open/close 1604 (time 1787146390.74 total 20.01 last 84.35)
 - open/close 2448 (time 1787146400.74 total 30.01 last 84.38)
 - open/close 3369 (time 1787146410.74 total 40.01 last 92.09)
 - open/close 4273 (time 1787146420.75 total 50.02 last 90.33)
 - open/close 5113 (time 1787146430.75 total 60.02 last 83.99)
 - open/close 5944 (time 1787146440.76 total 70.03 last 83.05)
 - open/close 6843 (time 1787146450.76 total 80.03 last 89.88)
 - open/close 7708 (time 1787146460.76 total 90.03 last 86.49)
total: 8000 open/close in 92.83 seconds: 86.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 4006
4001
lru resize performs the same with no lru resize
 - unlinked 0 (time 1787146585 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second