wu-sheng commented on issue #3159: about OAP cluster setup URL: https://github.com/apache/skywalking/issues/3159#issuecomment-514527932 > could you help confirm if there are anything that I miss? do I need to setup a load balancer for OAP Servers? Yes. If you want the real LB. > if we config multiple OAP servers in agent.config, when a java agent sends out data, which OAP server will it be sent to? or do we need to setup a load balance server, and use it for collector.backend_service in agent.config? You could do both. If you set up multiple addresses, the agent chooses one randomly. > when we config multiple OAP servers in RocketbotUI's webapp/webapp.yml, how does RocketbotUI decide which OAP server to send graphQL request to? Route randomly. > A little suggestion: I think it will be best if we have a complete guide for OAP cluster setup (maybe include UI and agent setup links). We don't have a link and document, because basically, we did nothing. These things used to exist in 5.x, but be removed permanently. Because in real env, k8s/VPC/Zone, the LB could be much better than use client side service discovery and LB.
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