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Posted to oak-issues@jackrabbit.apache.org by "Julian Reschke (Jira)" <ji...@apache.org> on 2019/10/16 07:54:00 UTC
[jira] [Commented] (OAK-7947) Lazy loading of Lucene index files
startup
[ https://issues.apache.org/jira/browse/OAK-7947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16952589#comment-16952589 ]
Julian Reschke commented on OAK-7947:
-------------------------------------
If we wanted to backport this to 1.10, we could:
1) backout the changes for OAK-8437 and OAK-8046
2) revert r1851052
3) merge r1851022 and r1852007
4) backport again OAK-8046 and OAK-8437
> Lazy loading of Lucene index files startup
> ------------------------------------------
>
> Key: OAK-7947
> URL: https://issues.apache.org/jira/browse/OAK-7947
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: lucene, query
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
> Priority: Major
> Fix For: 1.12.0
>
> Attachments: OAK-7947.patch, OAK-7947_v2.patch, OAK-7947_v3.patch, OAK-7947_v4.patch, OAK-7947_v5.patch, lucene-index-open-access.zip
>
>
> Right now, all Lucene index binaries are loaded on startup (I think when the first query is run, to do cost calculation). This is a performance problem if the index files are large, and need to be downloaded from the data store.
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