[jira] [Updated] (HADOOP-14668) Remove Configurable Default Sequence File Compression Type

["BELUGA BEHR (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-14668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

BELUGA BEHR updated HADOOP-14668:
---------------------------------
    Affects Version/s: 2.8.1
        Fix Version/s:     (was: 2.8.1)

> Remove Configurable Default Sequence File Compression Type
> ----------------------------------------------------------
>
>                 Key: HADOOP-14668
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14668
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 2.8.1, 3.0.0-alpha3
>            Reporter: BELUGA BEHR
>            Priority: Trivial
>
> It is confusing to have two different ways to set the Sequence File compression type.
> In a basic configuration, I can set _mapreduce.output.fileoutputformat.compress.type_ or _io.seqfile.compression.type_.  If I would like to set a default value, I should set it by setting the cluster environment's mapred-site.xml file setting for _mapreduce.output.fileoutputformat.compress.type_.
> Please remove references to this magic string _io.seqfile.compression.type_, remove the {{setDefaultCompressionType}} method, and have {{getDefaultCompressionType}} return value hard-coded to {{CompressionType.RECORD}}.  This will make administration easier as I have to only interrogate one configuration.
> {code:title=org.apache.hadoop.io.SequenceFile}
>   /**
>    * Get the compression type for the reduce outputs
>    * @param job the job config to look in
>    * @return the kind of compression to use
>    */
>   static public CompressionType getDefaultCompressionType(Configuration job) {
>     String name = job.get("io.seqfile.compression.type");
>     return name == null ? CompressionType.RECORD : 
>       CompressionType.valueOf(name);
>   }
>   
>   /**
>    * Set the default compression type for sequence files.
>    * @param job the configuration to modify
>    * @param val the new compression type (none, block, record)
>    */
>   static public void setDefaultCompressionType(Configuration job, 
>                                                CompressionType val) {
>     job.set("io.seqfile.compression.type", val.toString());
>   }
> {code}



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