[jboss-dev] Small boottime improvement

[Bill Burke]

BTW, my guess is that it is file caching.  Good job though!  Almost a 
full second shaved off.  Nothing to sneeze about.

So what's next for optimization?

* Is VFS3 in trunk/ now?

* Did somebody look into whether code guards are being done for logging? 
  (isDebugEnabled(), etc.)

* Any possible improvements to creating BeanMetaData?

* How about making our bean.xml files more coarse grain?  Meaning *A 
LOT* less implementation details exposed through XML.  You can do IoC in 
Java you know.  The vast majority of details within all our beans.xml 
files will never ever change, nor will we want to support users changing 
this stuff.  If our beans.xml file are reduced to a few bean definitions 
and classes, would make parsing and creating bean metadata much much faster.

* I also could resurrect Fast-JAXB, but I didn't want to do that until 
we got under 10 seconds.

For the MC team, I think the biggest focus should be profiling and 
optimizing Minimal.


Kabir Khan wrote:
> I actually did a few runs on each server first, but had loads of apps open so I rebooted
> On 11 Feb 2010, at 12:33, Jaikiran Pai wrote:
> 
>> Kabir Khan wrote:
>>>
>>> One strange thing is that the first time I started each server they took loads longer than the other times, does somebody know the reason for that? 
>>>
>> Wild guess - Perhaps, JBoss Messaging takes time to create the JBM 
>> tables for the first run. The second run the tables are already present 
>> in JBOSS_HOME/data folder so i guess it's skipped. Maybe deleting the 
>> data folder before starting the server, the second time, will show no 
>> significant difference between the two runs.
>>
>> regards,
>> -Jaikiran
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-- 
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com