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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-118) accumulo could work across HDFS instances, which would help it to scale past a single namenode
Date Tue, 04 Feb 2014 03:00:11 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13890317#comment-13890317
] 

Keith Turner commented on ACCUMULO-118:
---------------------------------------

My comment about voting on design documents was a possible solution to a problem.  The problem
is how can we get peer reviewed designs?  How can we motivate each other to spend a good chunk
of time critically thinking about our designs.   This issue had a design document and I remember
reading and thinking "makes sense".  I do not remember investing much time trying to find
flaws with it, I think I just wanted to get back to whatever I was immersed in at the time.
  My thinking is that calling for a vote on the dev list after writing a design doc for a
feature seems like a simple thing to try w/o any additional overhead because we have the dev
list in place.

> accumulo could work across HDFS instances, which would help it to scale past a single
namenode
> ----------------------------------------------------------------------------------------------
>
>                 Key: ACCUMULO-118
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-118
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: master, tserver
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>            Priority: Blocker
>             Fix For: 1.6.0
>
>         Attachments: ACCUMULO-118-01.txt, ACCUMULO-118-02.txt
>
>   Original Estimate: 2,016h
>  Remaining Estimate: 2,016h
>
> Consider using full path names to files, which would allow the servers to access the
files on any HDFS file system.
> Work may exist elsewhere to run HDFS using a number of NameNode instances to break up
the namespace.
> We may need a pluggable strategy to determine namespace for new files.



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