[jira] Commented: (COMPRESS-82) cpio is terribly slow

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https://issues.apache.org/jira/browse/COMPRESS-82?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736241#action_12736241
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Emmanuel Bourg commented on COMPRESS-82:
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There is probably the same issue with the other archive output streams.

I don't know if it's best to change the code in CpioArchiveOutputStream, or 
tell the user to initialize the CpioArchiveOutputStream with a buffered stream. 
If the code is changed and the user initialize the class with a buffered 
stream, there would be 2 buffered stream encapsulated.

> cpio is terribly slow
> ---------------------
>
>                 Key: COMPRESS-82
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-82
>             Project: Commons Compress
>          Issue Type: Bug
>    Affects Versions: 1.0
>         Environment: linux java6
>            Reporter: deckrider
>         Attachments: cpio-speed-patch.txt
>
>
> I have a directory with 20 jar files in it to be placed into a cpio archive.  
> This seems VERY slow (about 3 minutes).  It is almost immediate with the 
> linux cpio command (of course its non-java).  is there any way to improve 
> speed for the cpio archiving?

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