[jboss-dev] AS trunk boot time back to poor?

[Brian Stansberry]

On 01/21/2010 11:19 AM, Rémy Maucherat wrote:
> On Thu, Jan 21, 2010 at 4:18 PM, Brian Stansberry
> <brian.stansberry at redhat.com>  wrote:
>> One thing I'm looking at is tagging the console's web.xml as metadata
>> complete. I'm seeing a ton of logging from WarAnnotationMetaDataDeployer.
>
> Disabling that does not really disable annotation scanning anymore: it
> only disables annotations which add to the web.xml metadata (= mostly
> the new ones from Servlet 3.0). Also, the optimized annotation scanner
> is not used yet, since it does not meet the Servlet 3.0 requirements
> yet (if this has changed, let me know).
>
> However, since classloading would happen anyway, the scanning cost is
> not a total showstopper.
>

I got 2 secs from adding metadata-complete=true. But that was hardly a 
scientific test.

Anyway, IMO just as a general practice anything we ourselves deploy 
should be metadata complete. We should optimize our stuff for boot perf, 
not for convenience of our own folks developing it.

-- 
Brian Stansberry
Lead, AS Clustering
JBoss by Red Hat