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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-19793) Minor improvements on Master/RS startup
Date Sun, 14 Jan 2018 12:47:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-19793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Duo Zhang updated HBASE-19793:
------------------------------
    Assignee: Duo Zhang
      Status: Patch Available  (was: Open)

> 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
>             Fix For: 2.0.0-beta-1
>
>         Attachments: 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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