Hongchao Deng created ZOOKEEPER-1992:
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Summary: backward compatibility of zoo.cfg
Key: ZOOKEEPER-1992
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1992
Project: ZooKeeper
Issue Type: Bug
Affects Versions: 3.5.0
Reporter: Hongchao Deng
Assignee: Hongchao Deng
Priority: Blocker
Fix For: 3.5.0
This issue supersedes our discussion in ZOOKEEPER-1989.
To summarize, ZK users can seamlessly upgrade 3.4 to 3.5. But two things will
happen:
1. the server list will be separated out as a dynamic file (the original should
be backup automatically).
2. Client port is mandatory on reconfig. So when reconfig the server itself
(its id), the client port in config file will be removed and replaced by the
one in reconfig (written in dynamic file).
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