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https://issues.apache.org/jira/browse/HBASE-19793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16326046#comment-16326046
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Duo Zhang commented on HBASE-19793:
-----------------------------------
Let me commit.
> Minor improvements on Master/RS startup
> ---------------------------------------
>
> Key: HBASE-19793
> URL: https://issues.apache.org/jira/browse/HBASE-19793
> Project: HBase
> Issue Type: Sub-task
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-19793.patch, HBASE-19793.patch
>
>
> Both ZooKeeper and hadoop FileSystem can do fencing, that means, if two
> processes try to create one file, only one of them can succeed. So I think we
> can move the initialization of ClusterId to the very beginning instead of
> only allow active master to do it.
> This may helps us solve the complicated dependency issue.
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