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From "Davide Giannella (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (OAK-3550) Add meta data to segments
Date Thu, 12 Nov 2015 13:55:12 GMT

     [ https://issues.apache.org/jira/browse/OAK-3550?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Davide Giannella closed OAK-3550.

Bulk close for 1.3.10

> Add meta data to segments
> -------------------------
>                 Key: OAK-3550
>                 URL: https://issues.apache.org/jira/browse/OAK-3550
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: segmentmk
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>             Fix For: 1.3.10
> For various kinds of tooling it would be good to have additional meta data available
within segments. Like which segment writer wrote (i.e. system or compaction) the segment,
a time stamp, the revision gc generation etc. 
> Such meta data could live in a regular String record right at the beginning of the segment.
As such it would always occupy the first slot of the root records and would be very easy to
get to in tooling. Additionally it would be written as regular content and thus wouldn't require
any changes in the segment format. 

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