[jira] [Created] (OAK-4566) Multiplexing store support in Lucen Indexes

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

Chetan Mehrotra created OAK-4566:
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             Summary: Multiplexing store support in Lucen 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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