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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6349) Implement FastLZCodec for fastlz/lzo algorithm
Date Tue, 05 Jan 2010 05:48:55 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HADOOP-6349:
--------------------------------

    Attachment: TestCodecPerformance.java

The old TestCodecPerformance depended on RandomDatum which no longer exists. This new version
just uses java.util.Random. However, I'm getting the following exception:

Exception in thread "main" java.io.IOException: write beyond end of stream
        at org.apache.hadoop.io.compress.CompressorStream.write(CompressorStream.java:61)
        at java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)
        at java.io.DataOutputStream.write(DataOutputStream.java:90)
        at java.io.FilterOutputStream.write(FilterOutputStream.java:80)
        at org.apache.hadoop.io.compress.TestCodecPerformance.runCodecPerformance(TestCodecPerformance.java:161)
        at org.apache.hadoop.io.compress.TestCodecPerformance.runCodecPerformances(TestCodecPerformance.java:91)
        at org.apache.hadoop.io.compress.TestCodecPerformance.main(TestCodecPerformance.java:271)

(the other codecs work fine, so don't think it's a harness issue. Just commented out the others
at the moment.)

> Implement FastLZCodec for fastlz/lzo algorithm
> ----------------------------------------------
>
>                 Key: HADOOP-6349
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6349
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: io
>            Reporter: William Kinney
>         Attachments: HADOOP-6349-TestFastLZCodec.patch, HADOOP-6349.patch, TestCodecPerformance.java,
TestCodecPerformance.java, testCodecPerfResults.tsv
>
>
> Per  [HADOOP-4874|http://issues.apache.org/jira/browse/HADOOP-4874], FastLZ is a good
(speed, license) alternative to LZO. 

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