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https://issues.apache.org/jira/browse/HDFS-7011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152164#comment-14152164
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Colin Patrick McCabe commented on HDFS-7011:
--------------------------------------------

I don't see anything wrong with using things in {{std::tr1}} directly.  They're 
supported by all compilers, and will continue being supported for a long time 
into the future.  As you wrote, the {{tr1}} namespace will probably never be 
dropped.  And if it is, we will be old and grey by that point, and we can have 
this conversation at a retirement home :)

When thinking about SIGPIPE, you should be thinking: what is likely to generate 
fewer bug reports?  Certainly blocking SIGPIPE is better from that point of 
view.  Why don't we try to get this committed and then discuss this later?  
There's still a lot of patches to go.

> Implement basic utilities for libhdfs3
> --------------------------------------
>
>                 Key: HDFS-7011
>                 URL: https://issues.apache.org/jira/browse/HDFS-7011
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Zhanwei Wang
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-7011-pnative.001.patch, 
> HDFS-7011-pnative.002.patch, HDFS-7011.patch
>
>
> Implement basic utilities such as hash, exception handling, logger, configure 
> parser, checksum calculate and so on.



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