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https://issues.apache.org/jira/browse/ZOOKEEPER-2031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145687#comment-14145687
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Hongchao Deng commented on ZOOKEEPER-2031:
------------------------------------------
Let's say you have
{code}
config 1:
server.1=...;someTag
...
{code}
And you do a reconfig,
{code}
server.1=...;anotherTag
...
{code}
And you could make sure that 1. reconfig is successful and, 2. all servers have
the same content in dynamic config file "zoo.cfg.dynamic.xxx".
Please take a look at ReconfigXXXTest in the repository and use MainThread to
get you started. :)
> Support tagging a QuorumServer
> ------------------------------
>
> Key: ZOOKEEPER-2031
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2031
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Reporter: some one
> Assignee: some one
> Fix For: 3.5.1, 3.6.0
>
> Attachments: ZOOKEEPER-2031-Additional.patch, ZOOKEEPER-2031.patch
>
>
> Currently ZooKeeper only allows using the server id which is an integer for
> identifying servers. For my (unavoidable) use case, there may be concurrent
> dynamic removes and adds of servers which may eventually have id collisions.
> When this occurs, there is no good way to determine if the server (given an
> id collision) that we want to remove is the right server.
> To support my use case, I propose that we add a tag field to the server
> string.
> For my specific use case, this tag field will be used to store a uuid as a
> string.
> So for example:
> server.1=127.0.0.1:1234:1236:participant;0.0.0.0:1237;743b9d23-85cb-45b1-8949-930fdabb21f0
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