From: Jack Broeren (jbroeren@ambrac.nl)
Date: Wed Jun 11 2003 - 00:16:33 PDT
Hi Alexander,
thanks for responding,
i tried these settings but ran into a memory exception. I managed to
get the complete file converted to pdf but it took more than 12 hours
and it turned out to be 821 pages. I used the settings -Xms16M -Xmx1024M
validation is off, but i only have 512 MB in my machine. I am using windows
2000 server and sun jdk 1.4.1_01.
I am now trying -Xms128M -Xmx800M, with -Xmx600M i ran into a memory
exception as well. Would buying extra memory solve the problem or would that
only reduce the conversion time from 12 to 11 hours or so ?
kind regards,
Jack Broeren (Ambrac)
> -----Original Message-----
> From: owner-xep-support@renderx.com
> [mailto:owner-xep-support@renderx.com]On Behalf Of Alexander Peshkov
> Sent: Wednesday, May 28, 2003 5:08 PM
> To: Jack Broeren
> Subject: Re: [xep-support] java settings ?
>
>
> Hello Jack,
>
> Java memory setting are critical for the overall performance. By
> default, the amount of memory available to Java VM is limited to 64MB
> regardless of the RAM size of the host machine. For a machine with <N>
> megabytes of RAM, reasonable defaults are <N - 64> for the upper heap
> size limit (-Xmx) and <N/2> (or less) for the lower limit (-Xms). For
> instance, the following yields effective memory usage on a computer
> with 512 MB of RAM: -Xms128M -Xmx400M
> You may also try to turn off validation (using switch
> -Dcom.renderx.xep.VALIDATION=false)
> to speed up processing and reduce memory consumption.
>
> There are small chances that performance degradation caused by Java VM
> instability. Which version of Java (and OS) are you using?
>
> Best regards,
> Alexander Peshkov
> mailto:peshkov@renderx.com
> RenderX
>
>
> JB> Hello,
> JB> i am trying to use xep to generate a 1000 page pdf file.
> JB> when I load a part of 600 pages (18 MB in fo), no tables
> or whatsoever,
> JB> it takes about 15 minutes to create a pdf file.
> JB> The full 1000 pages however (34 MB) slows down and nearly
> stops with no
> JB> apparent reason after 250 pages.
>
> JB> What are the recommended java heap and/or memory settings and how
> JB> can I speed xep up for larger volumes like these.
>
> JB> Jack Broeren
>
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