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https://issues.apache.org/jira/browse/ZOOKEEPER-29?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12699661#action_12699661
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Flavio Paiva Junqueira commented on ZOOKEEPER-29:
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> you build an ackToString String, but don't use it. it's probably a left over
> debugging.
I forgot to add to add the string to the message following it. I have fixed it
in the new patch.
> i'm wondering if it is a good idea to let the QuorumVerifier to be changed
> while the service
> is up. perhaps we should throw an exception in that case.
If I interpret your comment correctly, you're concerned about calls to
QuorumPeer::setQuorumVerifier after initialization. As far as I can tell, we
have the same issue with other variables. For example, if we change the quorum
port on-the-fly, we might get into trouble. Actually, changing the
QuorumVerifier on-the-fly doesn't seem to cause a server to stop operating. The
only issue I can see is that a server may have a different notion of quorums,
but I think this can happen even if we enforce that we set the QuorumVerifier
only during initialization. We guarantee that servers have consistent
configuration files, right?
If you think this is a general issue with initialization, we should perhaps
open a different jira and address this problem there?
> could you document the configuration of the hierarchical QuorumVerifier? it
> would also be
> good to expand the description in the javadoc at the top of
> QuorumHierarchical?
Done. Let me know if you think it is sufficient.
> Flexible quorums
> ----------------
>
> Key: ZOOKEEPER-29
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-29
> Project: Zookeeper
> Issue Type: New Feature
> Components: server
> Reporter: Patrick Hunt
> Assignee: Flavio Paiva Junqueira
> Fix For: 3.2.0
>
> Attachments: ZOOKEEPER-29.patch, ZOOKEEPER-29.patch,
> ZOOKEEPER-29.patch, ZOOKEEPER-29.patch, ZOOKEEPER-29.patch,
> ZOOKEEPER-29.patch, ZOOKEEPER-29.patch
>
>
> Moved from SourceForge to Apache.
> http://sourceforge.net/tracker/index.php?func=detail&aid=1938782&group_id=209147&atid=1008547
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