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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 05:01:34 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14148781#comment-14148781
] 

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_r18073847
  
    --- Diff: server/master/src/main/java/org/apache/accumulo/master/tableOps/CreateTable.java
---
    @@ -176,7 +178,7 @@ public long isReady(long tid, Master environment) throws Exception
{
       @Override
       public Repo<Master> call(long tid, Master master) throws Exception {
         // Constants.DEFAULT_TABLET_LOCATION has a leading slash prepended to it so we don't
need to add one here
    -    tableInfo.dir = master.getFileSystem().choose(ServerConstants.getTablesDirs()) +
"/" + tableInfo.tableId + Constants.DEFAULT_TABLET_LOCATION;
    +    tableInfo.dir = master.getFileSystem().choose(Optional.of(tableInfo.tableId), ServerConstants.getTablesDirs())
+ "/tables/" + tableInfo.tableId + Constants.DEFAULT_TABLET_LOCATION;
    --- End diff --
    
    Extra "tables" here too.


> 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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