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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2016/10/26 12:15:58 UTC

[jira] [Updated] (OAK-4104) Refactor reading records from segments

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

Michael Dürig updated OAK-4104:
-------------------------------
    Fix Version/s: 1.5.13

> 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, 1.5.13
>
>
> 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 tests. 



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