numi_372246
Sep 17, 2018Nimbostratus
question for load balancing
hi~
I have some problems configuring load balancing.
Device: BIG-IP 10250v
Environment: server1, server2, server3
Each server has 10 identical services, each using a different port.
service is web site(http)
server1 (xxx.xxx.xxx.011): ins0 8080, ins1 8081 ... ins9 8089,
server2 (xxx.xxx.xxx.012): ins0 8080, ins1 8081 ... ins9 8089,
server3 (xxx.xxx.xxx.013): ins0 8080, ins1 8081 ... ins9 8089,
L4: xxx.xxx.xxx.010: 8080 ... 8089
least connection load balancing
Load balancing testing with http request detected anomalies.
If you send 1 million http requests continuously for a certain time
The number of operations per instance group is similar,
but the number of operations per server is significantly different.
ins0 (8080) group: 11%
ins1 (8081) group: 8%
...
ins9 (8089) group: 10%
The difference in the number of processes between each instance group is similar to 1-2%.
server1: 34%
server2: 41%
server3: 10%
(instance group is Horizontal perspective, server group is Vertical perspective)
server1 server2 server3 sum
ins0 19 79 9 11%
ins1 x x x 8%
ins2 x x x 10%
... x x x ..%
ins9 x x x 11%
sum 34% 41% 10%
However, the number of processes per server is very different.
What's the big difference?