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From "Michael Allen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-980) support pluggable codecs for RFile
Date Fri, 01 Feb 2013 17:54:14 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Allen updated ACCUMULO-980:
-----------------------------------

    Attachment: RFile-Changes-Proposal-V1.pdf

I've got a proposal for how to modify the RFile format for it to easily support encryption.
 We won't change the types or availability of codecs, as previously suggested.  Instead we
will cue off of the same encryption configuration for the WAL logs and apply it slightly differently
to the RFiles.

The proposal for changes is attached.
                
> support pluggable codecs for RFile
> ----------------------------------
>
>                 Key: ACCUMULO-980
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-980
>             Project: Accumulo
>          Issue Type: Improvement
>            Reporter: Adam Fuchs
>            Assignee: Adam Fuchs
>             Fix For: 1.6.0
>
>         Attachments: RFile-Changes-Proposal-V1.pdf
>
>
> As part of the encryption at rest story, RFile should support pluggable modules where
it currently has hardcoded options for compression codecs. This is a natural place to add
encryption capabilities, as the cost of encryption would likely not be significantly different
from the cost of compression, and the block-level integration should maintain the same seek
and scan performance. Given the many implementation options for both encryption and compression,
it makes sense to have a plugin structure here.

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