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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 Mon, 03 Oct 2016 09:50:20 GMT

    [ https://issues.apache.org/jira/browse/OAK-2498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542013#comment-15542013
] 

Michael Dürig commented on OAK-2498:
------------------------------------

At http://svn.apache.org/viewvc?rev=1763140&view=rev I simplified the calculation of the
exact segment size. This is now possible we don't have to track the space required by the
roots any more.

> 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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