FW: [docbook-apps] Strange slowdown in stylesheets

["Barton Wright" <barton.wright@streambase.com>]



Re-forwarded to the list from the right address to avoid authentication rejection.

---

From: Barton Wright
Sent: Saturday, March 28, 2009 6:11 PM
To: Dick Hamilton
Cc: docbook-apps@lists.oasis-open.org
Subject: Re: [docbook-apps] Strange slowdown in stylesheets

Glad to hear it's working now.

The products I've documented for two companies now have been supported only on official Sun JDKs, and I've had to document how to wrestle with the default-installed gcj on several distros. So your symptoms were very familiar.

One of these days, there will be only one JDK, and it will be both officially sanctioned by Sun and free, open-source. But we're not there yet.

F05F5D24D4014DD085FC20F565D11593@MILES type="cite">

Barton,

You nailed it.  Turns out I had Sun's 1.6 on the system,
but Ubuntu was pointing to gcj.  I used update-alternatives
to select 1.6, and that took care of the problem. Everything
is back to the expected speed.

Thanks for the help.

Dick Hamilton

Managing Writers: A Real World Guide to Managing Technical Documentation
http://xmlpress.net/managingwriters.html 

  

-----Original Message-----
From: Barton Wright [mailto:barton.wright@streambase.com] 
Sent: Friday, March 27, 2009 12:23 PM
To: Dick Hamilton; docbook-apps@lists.oasis-open.org
Subject: RE: [docbook-apps] Strange slowdown in stylesheets


1. Were you using Java 1.5 on SuSe? Java 1.6 is significantly faster.

2. Check to make sure you're using the JRE you intend. Ubuntu 
installs ready to use gcj or perhaps icedtea as the default 
system JRE, and remains set up that way even if you install a 
Sun JRE or JDK. If you've installed a Sun JRE, you need to 
make it the system-wide default in the alternatives system. 
Run update-alternatives as root and select the JRE you intend 
to use for the java, javac, and several other commands.


-----Original Message-----
From: Dick Hamilton [mailto:rlhamilton@frii.com] 
Sent: Friday, March 27, 2009 2:10 PM
To: docbook-apps@lists.oasis-open.org
Subject: [docbook-apps] Strange slowdown in stylesheets

I just moved my environment from SuSE to Ubuntu, and have
generally been very pleased with the change.

However, after the move, my DocBook stylesheet builds are
taking significantly longer to run than they used to, even
though I'm running on the same hardware and software.

At first, I thought I might have messed up the catalog
settings and caused Saxon to go out to the web for schemas,
etc, but I see no network traffic during a build. Instead,
what I see is one cpu pegged at 100% and the other idling
along at 25%.

Here is the environment:

AMD 64 dual core, running Ubuntu 2.6.27-11, Saxon 6.5.3,
Java 1.5.0., 1.74.2 stylesheets.

Has anyone run into anything like this before or have any
suggestions on where to look for possible problems?

Best Regards,
Dick Hamilton
---------------------------------
XML Press
XML for Technical Communicators
http://xmlpress.net
(970) 231-3624 



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