Re: Question on TemplateCache synchronization

Thursday, April 10, 2008, 9:11:50 PM, Attila Szegedi wrote:

> On 2008.04.10., at 19:42, Bruce Ritchie wrote:
> I just finished testing trunk with our performance test suite and the
> gains are significant (though there was also one other fix in the test
> with another overly synchronized block of code in an often called
> class that also would have had a significant impact). 
>
> Are you saying you've identified another concurrent performance
> hotspot in FreeMarker code? If so, I'd like to hear details.
>
> I'm wondering
> what the timetable for tagging this as 2.3.13 ?
>
> We don't tend to have fixed schedules...  There's a good bunch of
> changes since 2.3.12, for now these are (copied from preliminary documentation update):
> °       Bug fixed: [1725107] JspTaglibs with servlet spec 2.4 causes parser warnings.
> °       
> °       Bug fixed: [1851842] OutOfMemoryError parsing a largish text chunk.
> °       
> °       Feature: [1892546] Allow for custom template loader in FreemarkerServlet.
> °       
> °       Bug fixed: [1902012] IteratorModel eats exception causes.
> °       
> °       [1898300], [1818742], [1780882]: Reworked template caching
> mechanism for radically improved concurrent performance, with help
> from Azul Systems engineers. (Achieved 20x speedup with Struts2
> webapps on a 128-CPU Azul device compared to 2.3.12.)
> °       
> °       
>
> It looks to me as if it enough to warrant a release - what do
> others committers think? (Although I expect only Daniel will be interested in a 2.3.x release).

I would recommend looking at the bug tracker first... especially for
Jonathan. I guess there are some funny stuff there, like this latest
thing with SimpleHash (I didn't looked closely). But, of course, if
there is no mood to do that, I understand, and then there is nothing
to wait for.

-- 
Best regards,
 Daniel Dekany


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