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From "Davide Giannella (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-6412) Consider upgrading to newer Lucene versions
Date Tue, 04 Jun 2019 15:35:11 GMT

     [ https://issues.apache.org/jira/browse/OAK-6412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davide Giannella updated OAK-6412:
----------------------------------
    Fix Version/s: 1.16.0

> Consider upgrading to newer Lucene versions
> -------------------------------------------
>
>                 Key: OAK-6412
>                 URL: https://issues.apache.org/jira/browse/OAK-6412
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: lucene
>            Reporter: Tommaso Teofili
>            Assignee: Tommaso Teofili
>            Priority: Major
>             Fix For: 1.14.0, 1.16.0
>
>
> An year ago I had started prototyping the upgrade to Lucene 5 [1], in the meantime version
6 (and 7 soon) has come out.
> I think it'd be very nice to upgrade Lucene version to the latest, this would give us
improvements in space consumption and runtime performance.
> In case we want to upgrade to 6.0 or later we need to consider upgrade scenarios because
Lucene Codecs are backward compatible with the previous major release, so Lucene 6 can read
Lucene 5 but not Lucene 4.x (4.7 in our case) therefore we would need to detect that when
reading an index and trigger reindexing using the new format.
> Related to that there's also a patch to upgrade Solr index to version 5 (see OAK-4318).
> [1] : https://github.com/tteofili/jackrabbit-oak/tree/lucene5



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