[jira] [Commented] (MESOS-1794) allow CURL download into a pipe

["Adam B (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14594981#comment-14594981 ] 

Adam B commented on MESOS-1794:
-------------------------------

Removing 0.x target version, since it's already been deferred twice and hasn't seen activity in many months. Feel free to Accept it and retarget if you want to start working on it!
We might want to discard [~kdomanski]'s patch too, as it's likely going to need a serious rebase by now.

> allow CURL download into a pipe
> -------------------------------
>
>                 Key: MESOS-1794
>                 URL: https://issues.apache.org/jira/browse/MESOS-1794
>             Project: Mesos
>          Issue Type: Improvement
>          Components: stout
>    Affects Versions: 0.20.0
>            Reporter: Kamil Domański
>            Assignee: Kamil Domański
>              Labels: features, patch, performance
>
> This divides {{Try<int> net::download(const std::string& url, const std::string& path)}} into three overloads:
> # {{Try<int> net::download(const std::string& url, FILE* file)}} downloads a file and sends it to FILE stream
> # {{Try<int> net::download(const std::string& url, int fdout)}} opens a file stream based on a file descriptor and calls 1)
> # {{Try<int> net::download(const std::string& url, const std::string& path)}} opens a file at _path_ and passes the descriptor to 2), effectively working as before this change
> This will allow to download into any file descriptor, such as a pipe, e.g. directly to extraction, as proposed by [~bernd-mesos] in MESOS-1667.
> Under similar rationale it's necessary to implement {{hadoop fs -cat}} into a file descriptor, but I'm unable to deploy HDFS for testing.



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