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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2664) lzop-compatible CompresionCodec
Date Wed, 13 Feb 2008 23:29:08 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Chris Douglas updated HADOOP-2664:

    Status: Open  (was: Patch Available)


I'm pulling this back. The writes from the cstr and its (related) silent incompatibility with
SequenceFile are sufficient to prevent it from being checked in. It reads and writes lzop-compatible
files, but it is inadequate as a general compression codec. SequenceFile explicitly checks
for a non-native version of GzipCodec, but surely there's a better way to effect this.

That said, it should be noted that one can still write ".lzo" files from LzoCodec that aren't.
The incompatible change in this patch- that asserts precedence for the .lzo extension and
changes the former to .lzo_deflate - should be considered for 0.17 regardless of what happens
with this patch.

> lzop-compatible CompresionCodec
> -------------------------------
>                 Key: HADOOP-2664
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2664
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: io
>            Reporter: Chris Douglas
>            Assignee: Chris Douglas
>             Fix For: 0.17.0
>         Attachments: 2664-0.patch, 2664-1.patch
> The current lzo codec is not compatible with the standard .lzo file format used by lzop.

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