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https://issues.apache.org/jira/browse/OAK-1724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chetan Mehrotra updated OAK-1724:
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Fix Version/s: (was: 1.0)
> Enable copying of Lucene index to local file system for read queries
> --------------------------------------------------------------------
>
> Key: OAK-1724
> URL: https://issues.apache.org/jira/browse/OAK-1724
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: query
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.1
>
>
> Currently the Lucene index is stored in NodeStore and is accessed via
> OakDirectory which is an implementation of [Lucene
> Directory|https://lucene.apache.org/core/4_0_0/core/org/apache/lucene/store/Directory.html].
> This would work fine for SegmentStore but does not work very well when
> BlobStore is used as with DocumentNodeStore
> For such scenarios it should be possible to copy the Lucene index to local
> file system and then read queries are performed using that. IndexWriter would
> continue to use the OakDirectory to store the updated index content in
> NodeStore.
> As Lucene does not modify any index file once created (ther are either
> deleted or new one created), it should be possible to incrementally update
> the index by copying newly created segment files.
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