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Posted to dev@commons.apache.org by "Harri Kähkönen (JIRA)" <ji...@apache.org> on 2006/07/06 07:11:29 UTC

[jira] Created: (VFS-68) Extraction process is unefficient with large packages

Extraction process is unefficient with large packages
-----------------------------------------------------

         Key: VFS-68
         URL: http://issues.apache.org/jira/browse/VFS-68
     Project: Commons VFS
        Type: Improvement

 Environment: Windows XP Pro, Java 1.5.0_03
    Reporter: Harri Kähkönen
    Priority: Minor


It seems that extracting large zip packages is much slower than with java.util.zip. In certain tests, the extraction time of 2 large packages was almost 1 hour more with VFS.  The packages that caused this major efficiency issue we're over 1Gb size, and usually contain lots of entries.

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[jira] Resolved: (VFS-68) Extraction process is unefficient with large packages

Posted by "Mario Ivankovits (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/VFS-68?page=all ]

Mario Ivankovits resolved VFS-68.
---------------------------------

    Fix Version/s: Nightly Builds
       Resolution: Fixed

> Extraction process is unefficient with large packages
> -----------------------------------------------------
>
>                 Key: VFS-68
>                 URL: http://issues.apache.org/jira/browse/VFS-68
>             Project: Commons VFS
>          Issue Type: Improvement
>         Environment: Windows XP Pro, Java 1.5.0_03
>            Reporter: Harri Kähkönen
>            Priority: Minor
>             Fix For: Nightly Builds
>
>
> It seems that extracting large zip packages is much slower than with java.util.zip. In certain tests, the extraction time of 2 large packages was almost 1 hour more with VFS.  The packages that caused this major efficiency issue we're over 1Gb size, and usually contain lots of entries.

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[jira] Closed: (VFS-68) Extraction process is unefficient with large packages

Posted by "Mario Ivankovits (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/VFS-68?page=all ]

Mario Ivankovits closed VFS-68.
-------------------------------


> Extraction process is unefficient with large packages
> -----------------------------------------------------
>
>                 Key: VFS-68
>                 URL: http://issues.apache.org/jira/browse/VFS-68
>             Project: Commons VFS
>          Issue Type: Improvement
>         Environment: Windows XP Pro, Java 1.5.0_03
>            Reporter: Harri Kähkönen
>            Priority: Minor
>             Fix For: Nightly Builds
>
>
> It seems that extracting large zip packages is much slower than with java.util.zip. In certain tests, the extraction time of 2 large packages was almost 1 hour more with VFS.  The packages that caused this major efficiency issue we're over 1Gb size, and usually contain lots of entries.

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[jira] Commented: (VFS-68) Extraction process is unefficient with large packages

Posted by "Mario Ivankovits (JIRA)" <ji...@apache.org>.
    [ http://issues.apache.org/jira/browse/VFS-68?page=comments#action_12456900 ] 
            
Mario Ivankovits commented on VFS-68:
-------------------------------------

I am not 100% sure, but maybe I found the problem.
Would be great if you could find some time to test it again. Still, due to some overhead VFS introduces it might never be that fast than the native methods.

> Extraction process is unefficient with large packages
> -----------------------------------------------------
>
>                 Key: VFS-68
>                 URL: http://issues.apache.org/jira/browse/VFS-68
>             Project: Commons VFS
>          Issue Type: Improvement
>         Environment: Windows XP Pro, Java 1.5.0_03
>            Reporter: Harri Kähkönen
>            Priority: Minor
>             Fix For: Nightly Builds
>
>
> It seems that extracting large zip packages is much slower than with java.util.zip. In certain tests, the extraction time of 2 large packages was almost 1 hour more with VFS.  The packages that caused this major efficiency issue we're over 1Gb size, and usually contain lots of entries.

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