[jira] Updated: (LUCENE-1484) Remove SegmentReader.document synchronization

["Jason Rutherglen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-1484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Rutherglen updated LUCENE-1484:
-------------------------------------

    Attachment: LUCENE-1484.patch

LUCENE-1484.patch

- FieldsReader implements Cloneable
- fieldsReaderLocal added to SegmentReader
- TestIndexReader, TestFieldsReader, TestSegmentReader, TestParallelMultiSearcher passes

> Remove SegmentReader.document synchronization
> ---------------------------------------------
>
>                 Key: LUCENE-1484
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1484
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: 2.4
>            Reporter: Jason Rutherglen
>         Attachments: LUCENE-1484.patch
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> This is probably the last synchronization issue in Lucene.  It is the document method in SegmentReader.  It is avoidable by using a threadlocal for FieldsReader.  

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