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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2946) HA: Put a cap on the number of completed edits files retained by the NN
Date Mon, 15 Oct 2012 18:40:03 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13476335#comment-13476335
] 

Eli Collins commented on HDFS-2946:
-----------------------------------

+1
                
> HA: Put a cap on the number of completed edits files retained by the NN
> -----------------------------------------------------------------------
>
>                 Key: HDFS-2946
>                 URL: https://issues.apache.org/jira/browse/HDFS-2946
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ha, name-node
>    Affects Versions: 2.0.1-alpha
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-2946.patch, HDFS-2946.patch, HDFS-2946.patch
>
>
> HDFS-2794 added a minimum number of transactions to retain in edits files. Since many
underlying file systems put a cap on the number of entries in a single directory, we should
put a cap on the number of edits files which will be retained by the NN.

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