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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3089) Create a volume chooser that makes decisions based on table attributes
Date Fri, 26 Sep 2014 17:06:35 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149642#comment-14149642
] 

ASF GitHub Bot commented on ACCUMULO-3089:
------------------------------------------

Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/16#discussion_r18100820
  
    --- Diff: server/base/src/main/java/org/apache/accumulo/server/fs/VolumeChooser.java ---
    @@ -18,5 +18,7 @@
     
     
     public interface VolumeChooser {
    +  String choose(VolumeChooserEnvironment env, String[] options);
    --- End diff --
    
    It's not public API, but if we're selling it as "You can implement your own policy", it
should be (and I would argue we should treat it as such until that is rectified). If there
is something that fundamentally doesn't make sense and can't be solved in other ways, let's
consider that as a reason for change, but I'd prefer not to see an argument for change based
only on "we don't *have* keep it compatible"


> Create a volume chooser that makes decisions based on table attributes
> ----------------------------------------------------------------------
>
>                 Key: ACCUMULO-3089
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3089
>             Project: Accumulo
>          Issue Type: Improvement
>            Reporter: Christopher Tubbs
>            Assignee: Jenna Huston
>
> Use case:
> User provisions multiple volumes, some with tmpfs drives, some with SSDs, some with traditional
magnetic spindle hard drives. A volume chooser could use attribute information on tables (ACCUMULO-2841)
to decide which volume to choose when creating new tablets.



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