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From "Francesco Mari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-4740) TarReader recovery skips generating the index and binary graphs
Date Thu, 01 Sep 2016 14:02:20 GMT

    [ https://issues.apache.org/jira/browse/OAK-4740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15455485#comment-15455485
] 

Francesco Mari commented on OAK-4740:
-------------------------------------

At r1758775 I parameterised the strategy for the recovery of a segment. The code is functionally
equivalent to the previous revision, but now it would be possible to create a different implementation
of the {{TarRecovery}} interface that would parse the segment to extract derived data.

> TarReader recovery skips generating the index and binary graphs
> ---------------------------------------------------------------
>
>                 Key: OAK-4740
>                 URL: https://issues.apache.org/jira/browse/OAK-4740
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: segment-tar
>            Reporter: Alex Parvulescu
>            Assignee: Francesco Mari
>             Fix For: Segment Tar 0.0.12
>
>
> As noticed from the tar recovery bits [0] the resulting tar file would lack the binary
reference graph and index graph. This has implications on the DSGC (not properly reporting
binary references would result in binaries being GC'ed) and GC operations.
> / cc [~frm], [~mduerig]
> [0] https://github.com/apache/jackrabbit-oak/blob/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/TarReader.java#L216



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