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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-2498) Root record references provide too little context for parsing a segment
Date Tue, 04 Oct 2016 12:13:20 GMT

    [ https://issues.apache.org/jira/browse/OAK-2498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15545191#comment-15545191
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Michael Dürig commented on OAK-2498:
------------------------------------

This didn't gain us too much. I'm considering trying to squeeze out a bit more from the record
ids. Will reopen OAK-4844 for that and attach a patch there. 

> Root record references provide too little context for parsing a segment
> -----------------------------------------------------------------------
>
>                 Key: OAK-2498
>                 URL: https://issues.apache.org/jira/browse/OAK-2498
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Francesco Mari
>              Labels: tools
>             Fix For: Segment Tar 0.0.14
>
>
> According to the [documentation | http://jackrabbit.apache.org/oak/docs/nodestore/segmentmk.html]
the root record references in a segment header provide enough context for parsing all records
within this segment without any external information. 
> Turns out this is not true: if a root record reference turns e.g. to a list record. The
items in that list are record ids of unknown type. So even though those records might live
in the same segment, we can't parse them as we don't know their type. 



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