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https://issues.apache.org/jira/browse/OAK-3547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14989147#comment-14989147
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Ian Boston commented on OAK-3547:
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No issues seen running for 12h.
Need to look into improving recovery capabilities. Currently any change to any
file referenced in a listing causes rejection of the listing. Some lucene index
files are mutable (the delete file) and so checking must be relaxed for those
files as the file will change. Need to analyse the changes in the log files to
check what really is mutable and what is immutable in a listing.
> Improve ability of the OakDirectory to recover from unexpected file errors
> --------------------------------------------------------------------------
>
> Key: OAK-3547
> URL: https://issues.apache.org/jira/browse/OAK-3547
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: lucene
> Affects Versions: 1.4
> Reporter: Ian Boston
>
> Currently if the OakDirectory finds that a file is missing or in some way
> damaged, and exception is thrown which impacts all queries using that index,
> at times making the index unavailable. This improvement aims to make the
> OakDirectory recover to a previously ok state by storing which files were
> involved in previous states, and giving the code some way of checking if they
> are valid.
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