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From "John Vines (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 Thu, 30 Jan 2014 22:20:10 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13887170#comment-13887170
] 

John Vines commented on ACCUMULO-118:
-------------------------------------

This suite of tickets is really starting to concern me. These really seem to be the long poll
in the tent for the 1.6 release and I'm starting to question how badly they're holding back
the release. We have a mix of standing improvements that are encompassed with this feature
with tickets for bugs found and bugs that are theoretically possible.

I would like to start the conversation about marking this item and items around it as @Experimental
and minimizing impact from the work done so far on single node instances.

> 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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