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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-234) Integration with BookKeeper logging system
Date Tue, 08 May 2012 19:07:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270729#comment-13270729
] 

Uma Maheswara Rao G commented on HDFS-234:
------------------------------------------

Eli, HDFS-2717 and HDFS-3058 are the main issues identified at BKJM side with testing and
discussions with Ivan. Also we have been filing some in BK project also.

{quote}
given that is this an option that Uma is trying out and 2.0-alpha is being release, I feel
it is fine for HDFS-234 to be merged to 2.0.
{quote}
Yes, Suresh, this is what my opinion. 
                
> 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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