mysql主从切换后，haproxy配置咨询 #24
Description
What version of MoHA are you using?
最新版
Does this issue reproduce with the latest release?
N/A
What operating system and processor architecture are you using?
N/A
What did you do?
What did you expect to see?
N/A
What did you see instead?
N/A
咨询一下，我的理解，当mysql发生主从切换后，agent会把最新的MySQL主从角色与ip地址对应关系写入etcd。haproxy会将写流量转发到最新的mysql主库ip地址去。我的疑惑是，haproxy通过什么机制感知到etcd里的信息变化，并且将变化准确快速地同步到haproxy的配置里去的呢？