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https://issues.apache.org/jira/browse/HADOOP-13340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322927#comment-16322927
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Ruslan Dautkhanov commented on HADOOP-13340:
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I'd say the former approach (transparent compression) would be much more
useful. And yes compressing multiple files would give much better compression
especially when those are tiny files. I just thought that compressing
individual files is easier to implement.
> Compress Hadoop Archive output
> ------------------------------
>
> Key: HADOOP-13340
> URL: https://issues.apache.org/jira/browse/HADOOP-13340
> Project: Hadoop Common
> Issue Type: New Feature
> Components: tools
> Affects Versions: 2.5.0
> Reporter: Duc Le Tu
> Labels: features, performance
>
> Why Hadoop Archive tool cannot compress output like other map-reduce job?
> I used some options like -D mapreduce.output.fileoutputformat.compress=true
> -D
> mapreduce.output.fileoutputformat.compress.codec=org.apache.hadoop.io.compress.GzipCodec
> but it's not work. Did I wrong somewhere?
> If not, please support option for compress output of Hadoop Archive tool,
> it's very neccessary for data retention for everyone (small files problem and
> compress data).
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