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Date: Tue, 7 May 2013 02:43:19 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
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Message-ID: <JIRA.12546413.1331740449603.277583.1367894599069@arcas>
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Subject: [jira] [Commented] (ACCUMULO-466) add a default constraint to limit
 the size of keys
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    [ https://issues.apache.org/jira/browse/ACCUMULO-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13650416#comment-13650416 ] 

Hudson commented on ACCUMULO-466:
---------------------------------

Integrated in Accumulo-Trunk #851 (See [https://builds.apache.org/job/Accumulo-Trunk/851/])
    ACCUMULO-466 commit Corey Nolet's patch to add a default constraint limit the size of keys (Revision 1478404)

     Result = SUCCESS
ecn : 
Files : 
* /accumulo/trunk/core/src/main/java/org/apache/accumulo/core/constraints/DefaultKeySizeConstraint.java
* /accumulo/trunk/core/src/main/java/org/apache/accumulo/core/iterators/IteratorUtil.java
* /accumulo/trunk/core/src/test/java/org/apache/accumulo/core/constraints
* /accumulo/trunk/core/src/test/java/org/apache/accumulo/core/constraints/DefaultKeySizeConstraintTest.java
* /accumulo/trunk/proxy/src/test/java/org/apache/accumulo/proxy/SimpleTest.java
* /accumulo/trunk/test/src/test/java/org/apache/accumulo/test/ShellServerTest.java
* /accumulo/trunk/test/src/test/java/org/apache/accumulo/test/TableOperationsIT.java

                
> add a default constraint to limit the size of keys
> --------------------------------------------------
>
>                 Key: ACCUMULO-466
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-466
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: master
>            Reporter: Eric Newton
>            Assignee: Corey J. Nolet
>             Fix For: 1.6.0
>
>         Attachments: ACCUMULO-466.1.patch
>
>
> If a user mistakenly inserts extremely large keys, the tablet server will eventually run out of memory just loading indexes.  This is almost certainly a mistake.  Add a constraint, by default, to new tables, which will limit the size of a key to a megabyte, for example, to catch these kinds of errors earlier.  If the user intends to use very large keys, they can always remove the constraint.

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