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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 13:51:34 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149164#comment-14149164
] 

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

Github user keith-turner commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/16#discussion_r18089531
  
    --- Diff: core/src/main/java/org/apache/accumulo/core/client/admin/TableOperations.java
---
    @@ -103,6 +103,25 @@
       void create(String tableName, boolean versioningIter, TimeType timeType) throws AccumuloException,
AccumuloSecurityException, TableExistsException;
     
       /**
    +   * @param tableName
    +   *          the name of the table
    +   * @param limitVersion
    +   *          Enables/disables the versioning iterator, which will limit the number of
Key versions kept.
    +   * @param timeType
    +   *          specifies logical or real-time based time recording for entries in the
table
    +   * @param properties
    +   *          initial table properties the user wants
    +   * @throws AccumuloException
    +   *           if a general error occurs
    +   * @throws AccumuloSecurityException
    +   *           if the user does not have permission
    +   * @throws TableExistsException
    +   *           if the table already exists
    +   */
    +  void create(String tableName, boolean limitVersion, TimeType timeType, Map<String,String>
properties) throws AccumuloException, AccumuloSecurityException,
    --- End diff --
    
    Could split this work into two branches.  One branch for adding tables props to create
table and another for this issue, and then rebase this branch on the other.  I am thinking
of working on ACCUMULO-1798 and ACCUMULO-3134 in two branches concurrently, with ACCUMULO-3134
branch being based on ACCUMULO-1798 branch.  Was thinking this would make things easier for
reviewers when I submit them for review, but I have never tried this before so uncertain of
benefit.


> 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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