Any time I find a bottleneck with CF tags, I generally go looking for a Java
solution. These pages may have useful snippets...
http://www.coldfusionmuse.com/index.cfm/2006/10/26/Java.directory.list
http://java.sun.com/j2se/1.4.2/docs/api/java/io/File.html
http://www.scripts.com/coldfusion-scripts/file-manipulation-scripts/
On Jan 21, 2008 2:27 PM, Sarah Geren <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I have an application which uses CFFILE to read a binary file into a
> variable, and that variable is used to write out the video to the brower so
> someone can download it...
> This code is working great, until the file sizes become too large. It
> seems to stop working (and returns a null null or 500 null error) when the
> file sizes go past 200-250MB...
> There are some files on this server that are up to 1GB in size that have
> to be downloaded via this script, so it needs to be able to handle pretty
> big files.
>
> The server is MX7, 4GB Ram, and here are my java args:
>
> java.args=-server -DJINTEGRA_NATIVE_MODE -DJINTEGRA_PREFETCH_ENUMS
> -Xms1024m -Xmx1024m -Dsun.io.useCanonCaches=false -XX:MaxPermSize=512m
> -XX:PermSize=64m -Dcoldfusion.rootDir={application.home}/../ -
> Dcoldfusion.libPath={application.home}/../lib -XX:+UseConcMarkSweepGC
> -XX:+UseParNewGC
> -XX:NewSize=48m -Dcoldfusion.classPath={application.home}/../lib/updates
> ,{application.home}/../lib,{application.home}/../gateway/lib/,{
> application.home}/../wwwroot/WEB-INF/cfform/jars
>
> Any help would be appreciated!
> Thanks!
>
> <cffile action="readbinary" file="#scene_data.mpeg#" variable="video">
> <cfheader name="Content-disposition" value="attachment;
> filename=scene_#scene_id#.mpg">
> <cfscript>
> context = getPageContext();
> context.setFlushOutput(false);
> response = context.getResponse().getResponse();
> out = response.getOutputStream();
> response.setContentType("video/mpeg");
> response.setContentLength(arrayLen(video));
> out.write(video);
> out.flush();
> response.reset();
> out.close();
> </cfscript>
>
>
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