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From "Benjamin Reed (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5189) Integration with BookKeeper logging system
Date Thu, 09 Apr 2009 18:06:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12697584#action_12697584
] 

Benjamin Reed commented on HADOOP-5189:
---------------------------------------

looks good luca. if curious about your comment  about reads being file based. if you configure
bookkeeper to be the only logging device, wouldn't it read from bookkeeper?

i'm also wondering about having to create a new Configuration object to get config parameters.
shouldn't a configuration object be passed to the EditLogStreams?

> Integration with BookKeeper logging system
> ------------------------------------------
>
>                 Key: HADOOP-5189
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5189
>             Project: Hadoop Core
>          Issue Type: New Feature
>    Affects Versions: 0.19.0
>            Reporter: Luca Telloli
>         Attachments: create.png, HADOOP-5189-trunk-preview.patch, HADOOP-5189-trunk-preview.patch,
HADOOP-5189.patch, HADOOP-5189.patch
>
>
> BookKeeper is a system to reliably log streams of records (https://issues.apache.org/jira/browse/ZOOKEEPER-276).
The NameNode is a natural target for such a system for being the metadata repository of the
entire file system for HDFS. 

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