[jira] [Commented] (OAK-4566) Multiplexing store support in Lucene Indexes

["Chetan Mehrotra (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-4566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15393647#comment-15393647 ] 

Chetan Mehrotra commented on OAK-4566:
--------------------------------------

Feature branch at https://github.com/chetanmeh/jackrabbit-oak/tree/OAK-4566

> Multiplexing store support in Lucene Indexes
> --------------------------------------------
>
>                 Key: OAK-4566
>                 URL: https://issues.apache.org/jira/browse/OAK-4566
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>          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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