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https://issues.apache.org/jira/browse/SOLR-4375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13566327#comment-13566327
 ] 

Artem Lukanin commented on SOLR-4375:
-------------------------------------

I failed to make a custom codec LUCENE_41CUSTOM, so I've made a patch and 
rebuild Solr. The results:

Solr 4.1 with termVectors and without compression: 5,75586854460094 ms

patch for the test:

===================================================================
--- lucene/core/src/java/org/apache/lucene/codecs/lucene41/Lucene41Codec.java   
(date 1359358135000)
+++ lucene/core/src/java/org/apache/lucene/codecs/lucene41/Lucene41Codec.java   
(revision )
@@ -32,6 +32,7 @@
 import org.apache.lucene.codecs.lucene40.Lucene40LiveDocsFormat;
 import org.apache.lucene.codecs.lucene40.Lucene40NormsFormat;
 import org.apache.lucene.codecs.lucene40.Lucene40SegmentInfoFormat;
+import org.apache.lucene.codecs.lucene40.Lucene40StoredFieldsFormat;
 import org.apache.lucene.codecs.lucene40.Lucene40TermVectorsFormat;
 import org.apache.lucene.codecs.perfield.PerFieldPostingsFormat;
 
@@ -48,7 +49,7 @@
 // if they are backwards compatible or smallish we can probably do the 
backwards in the postingsreader
 // (it writes a minor version, etc).
 public class Lucene41Codec extends Codec {
-  private final StoredFieldsFormat fieldsFormat = new 
Lucene41StoredFieldsFormat();
+  private final StoredFieldsFormat fieldsFormat = new 
Lucene40StoredFieldsFormat();
   private final TermVectorsFormat vectorsFormat = new 
Lucene40TermVectorsFormat();
   private final FieldInfosFormat fieldInfosFormat = new 
Lucene40FieldInfosFormat();
   private final DocValuesFormat docValuesFormat = new 
Lucene40DocValuesFormat();

                
> Add config or schema option to turn off compressed stored fields in the 
> Lucene 4.1 index format
> -----------------------------------------------------------------------------------------------
>
>                 Key: SOLR-4375
>                 URL: https://issues.apache.org/jira/browse/SOLR-4375
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 4.1
>            Reporter: Shawn Heisey
>             Fix For: 4.2, 5.0
>
>
> There have been performance complaints on the mailing list about the default 
> compressed stored fields in the 4.1 index format.  There should be an option 
> to turn the compression off.

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