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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2019/04/05 16:12:00 UTC
[jira] [Commented] (LUCENE-8749) Proposal: Pluggable Interface for
Slice Allocation Algorithm
[ https://issues.apache.org/jira/browse/LUCENE-8749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16810987#comment-16810987 ]
Adrien Grand commented on LUCENE-8749:
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I'm wondering whether customizing slices would actually be necessary if we had a better default implementation of IndexSearcher#slices? For instance something that would create slices of similar sizes?
> Proposal: Pluggable Interface for Slice Allocation Algorithm
> ------------------------------------------------------------
>
> Key: LUCENE-8749
> URL: https://issues.apache.org/jira/browse/LUCENE-8749
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Reporter: Atri Sharma
> Priority: Major
>
> The slice allocation method allocates one thread per segment today. If a user wishes to use a different slice allocation algorithm, there is no way except to make a change in IndexSearcher. This Jira proposes an interface to decouple the slice allocation mechanism from IndexSearcher and allow plugging in the method from an external factory (like Collectors).
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