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https://issues.apache.org/jira/browse/OAK-3547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14987582#comment-14987582
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Ian Boston commented on OAK-3547:
---------------------------------
Added GC on index files and listing files. At present the code will keep a max
of 100 directory listing files files and wont delete any index files referenced
in those directory listing files. When there are 10 or more directory listing
files to delete, they are deleted and the index files are GC'd. The number of
directory listing files can be changed.
The check happens every time a non read only OakDirectory is opened. its quick
to perform the check.
Code just pushed, testing using AEM6.1 on MongoMK overnight.
> 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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