[jira] [Commented] (OAK-8097) Load Lucene index files before writing to the index

["Thomas Mueller (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-8097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16781471#comment-16781471 ] 

Thomas Mueller commented on OAK-8097:
-------------------------------------

http://svn.apache.org/r1854565 (trunk)

A review would still be great. But committing now should simplify testing.

> Load Lucene index files before writing to the index
> ---------------------------------------------------
>
>                 Key: OAK-8097
>                 URL: https://issues.apache.org/jira/browse/OAK-8097
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: lucene
>            Reporter: Thomas Mueller
>            Priority: Major
>
> Right now, Lucene index files are downloaded from the datastore when reading from the index (when running a query). However, when updating the index, they are not downloaded. So if lazy loading of index files is enabled (OAK-7947), files are read from the datastore (streaming). Leading to the following warnings in the log file:
> {noformat}
> org.apache.jackrabbit.oak.plugins.index.lucene.directory.CopyOnWriteDirectory COWRemoteFileReference::local file (_2.cfs) doesn't exist
> ...
> {noformat}



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