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From "Dave Newton (JIRA)" <j...@apache.org>
Subject [jira] Commented: (STR-3096) bufferSize in controller configuration does not work
Date Mon, 19 Nov 2007 18:47:35 GMT

    [ https://issues.apache.org/struts/browse/STR-3096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_42688
] 

Dave Newton commented on STR-3096:
----------------------------------

(Paul: ControllerConfig has the bufferSize.)

Increasing the buffer to 100K isn't going to do what you think it does, though; a buffer that
large would probably end up being more CPU-intensive since the underlying IO would probably
end up breaking it up into a normal buffer size anyway for writing.

> bufferSize in controller configuration does not work
> ----------------------------------------------------
>
>                 Key: STR-3096
>                 URL: https://issues.apache.org/struts/browse/STR-3096
>             Project: Struts 1
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.3.9
>         Environment: simple struts web application with file-upload feature
>            Reporter: AdNovum
>            Assignee: Paul Benedict
>            Priority: Minor
>             Fix For: Pending Review
>
>
> Controller configuration allows to set a buffer size to be used when doing file uploads
(described in online documentation):
> <controller
> 	className="..."
> 	processorClass="..."
> 	inputForward="true"
> 	bufferSize="102400"
> >
> ...
> Unfortunately it seems that this value is never propagated to the implementation classes
(CommonsMultipartRequestHandler, DiskFileUpload and FileUploadBase)
> from struts and apache commons-fileupload. So the default buffersize (4K) is used which
could possibly lead to bad performance (high CPU usage).
> Either the bufferSize should take effect or it should not be available as a configuration
attribute.

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