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https://issues.apache.org/jira/browse/LUCENE-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-3736:
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Attachment: LUCENE-3736-readerMaps.patch
This is a patch for ParallelAtomicReader (after the heavy commit of Robert,
rev. 1291679), I found some other inconsistencies in some tests. One was
already fixed (rev 1291753).
The new implementation builds the ParallelFields instance using the FieldsEnums
of the parallel readers, which is much more correct than iterating FieldInfos
and checking for indexed fields.
The fieldInfos and fieldToReaderMap is now only used for retrieving stored
fields and other global information. Fields is now completely separate.
> ParallelReader is now atomic, rename to ParallelAtomicReader and also add a
> ParallelCompositeReader (that requires LogDocMergePolicy to have identical
> subreader structure)
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-3736
> URL: https://issues.apache.org/jira/browse/LUCENE-3736
> Project: Lucene - Java
> Issue Type: Sub-task
> Components: core/index
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 4.0
>
> Attachments: LUCENE-3736-improveTestCoverage.patch,
> LUCENE-3736-readerMaps.patch, LUCENE-3736.patch, LUCENE-3736.patch,
> LUCENE-3736.patch, LUCENE-3736.patch, LUCENE-3736.patch, LUCENE-3736.patch,
> LUCENE-3736.patch, LUCENE-3736.patch, LUCENE-3736.patch, LUCENE-3736.patch,
> LUCENE-3736.patch
>
>
> The plan is:
> - Move all subreaders to ctor (builder-like API. First build reader-set, then
> call build)
> - Rename ParallelReader to ParallelAtomicReader
> - Add a ParallelCompositeReader with same builder API, but taking any
> CompositeReader-set and checks them that they are aligned (docStarts
> identical). The subreaders are ParallelAtomicReaders.
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