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https://issues.apache.org/jira/browse/OAK-4566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15407419#comment-15407419
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Chetan Mehrotra edited comment on OAK-4566 at 8/4/16 9:23 AM:
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My intention here was to ensure that getDefaultReader does not get invoked in
production code i.e. have all parts in production code adapted to work with
mounts and hence not make call to getDefaultReader. In normal setup (no mount)
existing code would work as is and no exception would be thrown. But in setup
where mount is present and say suggeter logic (yet not adapted) tries to get
the default then we throw exception to indicate this feature is yet not
complete.
Or may be we just open issue and track this missing piece and not throw
exception. For now I am think to remove this check. Opened OAK-4643 to track
changes in suggester etc
was (Author: chetanm):
My intention here was to ensure that getDefaultReader does not get invoked in
production code i.e. have all parts in production code adapted to work with
mounts and hence not make call to getDefaultReader. In normal setup (no mount)
existing code would work as is and no exception would be thrown. But in setup
where mount is present and say suggeter logic (yet not adapted) tries to get
the default then we throw exception to indicate this feature is yet not
complete.
Or may be we just open issue and track this missing piece and not throw
exception. For now I am think to remove this check
> Multiplexing store support in Lucene Indexes
> --------------------------------------------
>
> Key: OAK-4566
> URL: https://issues.apache.org/jira/browse/OAK-4566
> Project: Jackrabbit Oak
> Issue Type: New Feature
> Components: lucene
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.6
>
>
> Similar to OAK-3403 we need support multiplexing store in Lucene indexes.
> This can be done by having multiple directories under given index definition.
> For e.g. currently the Lucene indexes for an index /oak:index/assetIndex are
> stored in node /oak:index/assetIndex/:dir. For supporting multiple indexes
> which get stored in different stores we can have structure like
> {noformat}
> /oak:index/assetIndex
> + :oak:mount1-dir
> + :dir
> {noformat}
> In above structure index content for paths which are part of mount1 would be
> store in Lucene files stores under {{:oak:mount1-dir}} while the rest go in
> default location {{:dir}
> # *Writing* - At the time of indexing the {{LuceneIndexEditor}} should pick
> up correct writer i.e. one which is mapped to right directory node in
> repository
> # *Reading* - For reading we would have one {{IndexSearcher}} per directory
> node and then query would be executed against both and a joined cursor would
> be made
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