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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HDFS-1162) Reduce the time required for a checkpoint
Date Wed, 24 Nov 2010 05:21:15 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

dhruba borthakur resolved HDFS-1162.

    Resolution: Won't Fix

This has been fixed via various changes to the fsimage/edits file that Hairong has done recently...
compressing the fsimage, avoid downloading the fsimage based on checksums, storing only the
last component of the pathname in the fsimage, etc.

> Reduce the time required for a checkpoint
> -----------------------------------------
>                 Key: HDFS-1162
>                 URL: https://issues.apache.org/jira/browse/HDFS-1162
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
> The checkpoint time increases linearly with the number of files in the cluster. This
is a problem with large clusters.

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