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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-234) Integration with BookKeeper logging system
Date Tue, 08 May 2012 18:51:50 GMT

    [ https://issues.apache.org/jira/browse/HDFS-234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270705#comment-13270705

Eli Collins commented on HDFS-234:


Given all the bugs you found recently, and haven't been triaged/assigned, there are no docs,
etc I'd keep this slated for 3.0. If it gets tested/doc'd and stabilizes on trunk then we
can consider merging.

We're actually trying to get away from using contrib. See this thread for history: http://search-hadoop.com/m/EPdTjoLpuh2.
I removed most of the hdfs contrib components.

> Integration with BookKeeper logging system
> ------------------------------------------
>                 Key: HDFS-234
>                 URL: https://issues.apache.org/jira/browse/HDFS-234
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Luca Telloli
>            Assignee: Ivan Kelly
>             Fix For: 3.0.0
>         Attachments: HADOOP-5189-trunk-preview.patch, HADOOP-5189-trunk-preview.patch,
HADOOP-5189-trunk-preview.patch, HADOOP-5189-v.19.patch, HADOOP-5189.patch, HDFS-234-branch-2.patch,
HDFS-234.diff, HDFS-234.diff, HDFS-234.diff, HDFS-234.diff, HDFS-234.diff, HDFS-234.patch,
create.png, hdfs_tpt_lat.pdf, zookeeper-dev-bookkeeper.jar, zookeeper-dev.jar
> 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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