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From "Francesco Mari (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-4104) Refactor reading records from segments
Date Thu, 14 Jul 2016 19:58:22 GMT

     [ https://issues.apache.org/jira/browse/OAK-4104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Francesco Mari updated OAK-4104:
    Fix Version/s:     (was: Segment Tar 0.0.4)
                   Segment Tar 0.0.6

> Refactor reading records from segments
> --------------------------------------
>                 Key: OAK-4104
>                 URL: https://issues.apache.org/jira/browse/OAK-4104
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>          Components: segment-tar
>            Reporter: Michael Dürig
>              Labels: technical_debt
>             Fix For: 1.6, Segment Tar 0.0.6
> We should refactor how records (e.g. node states) are read from segments. Currently this
is scattered and replicated across various places. All of which hard coding certain indexes
into a byte buffer (see calls to {{Record.getOffset}} for how bad this is). 
> The current implementation makes it very hard to maintain the code and evolve the segment
format. We should optimally have one place per segment version defining the format as a single
source of truth which is then reused by the various parts in of the SegmentMK, tooling and

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