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Subject svn commit: r1591388 - /accumulo/site/trunk/content/release_notes/1.6.0.mdtext
Date Wed, 30 Apr 2014 16:21:17 GMT
Author: elserj
Date: Wed Apr 30 16:21:17 2014
New Revision: 1591388

ACCUMULO-2396 Add notice about DefaultKeySizeConstraint


Modified: accumulo/site/trunk/content/release_notes/1.6.0.mdtext
--- accumulo/site/trunk/content/release_notes/1.6.0.mdtext (original)
+++ accumulo/site/trunk/content/release_notes/1.6.0.mdtext Wed Apr 30 16:21:17 2014
@@ -132,6 +132,12 @@ It is recommended that users invoke the 
 Be aware that you will need a C++ compiler/toolchain installed to build this library. Check
your GNU/Linux distribution documentation for the package manager command.
+#### Size-Based Constraint on New Tables
+A Constraint is an interface that can determine if a Mutation should be applied or rejected
server-side. New tables that are created in 1.6.0 will automatically have the `DefaultKeySizeConstraint`
+As performance can suffer when large Keys are inserted into a table, this Constraint will
reject any Key that is larger than 1MB. If this constraint is undesired, it can be removed
using the `constraint` shell
+command. See the help message on the command for more information.
 ### Other notable changes
  * [ACCUMULO-842][ACCUMULO-842] Added FATE administration to shell

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