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Posted to dev@lucene.apache.org by "Uwe Schindler (Commented) (JIRA)" <ji...@apache.org> on 2012/02/06 01:01:59 UTC
[jira] [Commented] (LUCENE-3736) ParallelReader is now atomic, add
convenience methods to wrap CompositeReaders in either "slow atomic" or
"fast composite" way
[ https://issues.apache.org/jira/browse/LUCENE-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200975#comment-13200975 ]
Uwe Schindler commented on LUCENE-3736:
---------------------------------------
There are som test todos: The tests for parallel readers are very simplistic and have only 2 documents (which is especially stupid for composite readers to test them). We should raise number of documents.
> ParallelReader is now atomic, add convenience methods to wrap CompositeReaders in either "slow atomic" or "fast composite" way
> ------------------------------------------------------------------------------------------------------------------------------
>
> 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.patch, LUCENE-3736.patch
>
>
> ParallelReader is now atomic. We should add a sugar wrapper method to allow synchronized composite readers (with same segment sizes) to be aligned with MultiReaders or wrapped by Slow:
> - one ParallelReader with Slow wrapped parallel readers, they only need same maxDoc() (and deletions)
> - a MultiReader containing all sub-ParallelReaders. This needs CompositeReaders with same docStarts[]
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