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From "churro morales (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13578) Add Codec for ZStandard Compression
Date Mon, 03 Oct 2016 23:09:20 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

churro morales updated HADOOP-13578:
------------------------------------
    Attachment: HADOOP-13578.v1.patch

Ran the mapreduce jobs with 
{noformat} 
hadoop jar $HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples*.jar wordcount -Dmapreduce.map.output.compress.codec=org.apache.hadoop.io.compress.ZStandardCodec
-Dmapreduce.map.output.compress=true -Dmapreduce.output.fileoutputformat.compress=true -Dmapreduce.output.fileoutputformat.compress.codec=org.apache.hadoop.io.compress.ZStandardCodec
wcin wcout-zst 

hadoop jar $HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples*.jar wordcount -Dmapreduce.map.output.compress.codec=org.apache.hadoop.io.compress.ZStandardCodec
 wcout-zst wcout-zst2

{noformat}

* Fixed the warnings for ZStandardDecompressor.c
* Updated the Building.txt
* Used the constant IO_COMPRESSION_CODEC_ZSTD_LEVEL_DEFAULT and fixed the default compression
level 
* Sorted out the TODO for the compression overhead.


> Add Codec for ZStandard Compression
> -----------------------------------
>
>                 Key: HADOOP-13578
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13578
>             Project: Hadoop Common
>          Issue Type: New Feature
>            Reporter: churro morales
>            Assignee: churro morales
>         Attachments: HADOOP-13578.patch, HADOOP-13578.v1.patch
>
>
> ZStandard: https://github.com/facebook/zstd has been used in production for 6 months
by facebook now.  v1.0 was recently released.  Create a codec for this library.  



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