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https://issues.apache.org/jira/browse/OAK-4808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davide Giannella updated OAK-4808:
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Fix Version/s: (was: 1.5.17)
1.5.18
> Index external changes as part of NRT indexing
> ----------------------------------------------
>
> Key: OAK-4808
> URL: https://issues.apache.org/jira/browse/OAK-4808
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: lucene
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.5.18, 1.6
>
>
> With OAK-4412 NRT indexing support in hybrid index case indexes local
> changes. It would be useful to have an option to index external changes. In
> ideal world
> # Async indexing is configured at 5 sec internal
> # DocumentNodeStore background read is configured at 1 sec interval
> So we can index 5 external changes before changes via async indexing are
> picked up. In real world delays can happen in both parts so having such
> changes indexed via NRT mode would be useful to reduce the latency in
> reflecting external changes as part of query result.
> This part would though introduce a cost as it would do complete diff for each
> external change. So while implementing care must be taken to do it on best
> effort basis i.e. if queue becomes large then skip certain processing etc
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