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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2291) HA: Checkpointing in an HA setup
Date Wed, 04 Jan 2012 20:45:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-2291:
------------------------------

    Attachment: hdfs-2291.txt

Updated patch attached
                
> HA: Checkpointing in an HA setup
> --------------------------------
>
>                 Key: HDFS-2291
>                 URL: https://issues.apache.org/jira/browse/HDFS-2291
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Aaron T. Myers
>            Assignee: Todd Lipcon
>             Fix For: HA branch (HDFS-1623)
>
>         Attachments: hdfs-2291.txt, hdfs-2291.txt, hdfs-2291.txt
>
>
> We obviously need to create checkpoints when HA is enabled. One thought is to use a third,
dedicated checkpointing node in addition to the active and standby nodes. Another option would
be to make the standby capable of also performing the function of checkpointing.

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