svn commit: r1302155 - /lucene/dev/branches/branch_3x/lucene/CHANGES.txt

[us...@apache.org]

Author: uschindler
Date: Sun Mar 18 16:18:15 2012
New Revision: 1302155

URL: http://svn.apache.org/viewvc?rev=1302155&view=rev
Log:
LUCENE-3867: Add CHANGES.txt.

Modified:
    lucene/dev/branches/branch_3x/lucene/CHANGES.txt

Modified: lucene/dev/branches/branch_3x/lucene/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/CHANGES.txt?rev=1302155&r1=1302154&r2=1302155&view=diff
==============================================================================
--- lucene/dev/branches/branch_3x/lucene/CHANGES.txt (original)
+++ lucene/dev/branches/branch_3x/lucene/CHANGES.txt Sun Mar 18 16:18:15 2012
@@ -70,6 +70,15 @@ Changes in backwards compatibility polic
   IndexReader.lastModified and getCurrentVersion (Andrzej Bialecki,
   Robert Muir, Mike McCandless)
   
+* LUCENE-3672: Deprecate instance creation of RamUsageEstimator, instead
+  the new static method sizeOf(Object) should be used. As the algorithm
+  is now using Hotspot(TM) internals (reference size, header sizes,
+  object alignment), the abstract o.a.l.util.MemoryModel class was
+  completely removed (without replacement). The new static methods
+  no longer support String intern-ness checking, interned strings
+  now count to memory usage as any other Java object.
+  (Dawid Weiss, Uwe Schindler, Shai Erera)
+  
 Changes in Runtime Behavior
 
 * LUCENE-3796, SOLR-3241: Throw an exception if you try to set an index-time