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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2123) 1073: Checkpoint interval should be based on txn count, not size
Date Sat, 02 Jul 2011 22:22:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-2123:
------------------------------

          Component/s: name-node
          Description: Currently, the administrator can configure the secondary namenode to
checkpoint either every N seconds, or every N bytes worth of edit log. It would make more
sense to get rid of the size-based interval and instead allow the administrator to specify
checkpoints every N transactions. This also simplifies the code a little bit.
    Affects Version/s: Edit log branch (HDFS-1073)
        Fix Version/s: Edit log branch (HDFS-1073)

> 1073: Checkpoint interval should be based on txn count, not size
> ----------------------------------------------------------------
>
>                 Key: HDFS-2123
>                 URL: https://issues.apache.org/jira/browse/HDFS-2123
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: Edit log branch (HDFS-1073)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: Edit log branch (HDFS-1073)
>
>
> Currently, the administrator can configure the secondary namenode to checkpoint either
every N seconds, or every N bytes worth of edit log. It would make more sense to get rid of
the size-based interval and instead allow the administrator to specify checkpoints every N
transactions. This also simplifies the code a little bit.

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