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From Craig Russell <Craig.Russ...@Sun.COM>
Subject Re: JIRA JDO-13
Date Tue, 07 Jun 2005 17:45:35 GMT
Hi Andy,

On Jun 7, 2005, at 10:29 AM, Andy Jefferson wrote:

>> Sounds good, thanks.  I found that the 6/6 JPOX build ran 10x slower
>> than the 6/3 build -- 10 hours to run the TCK.  I am running the 6/7
>> build right now, and I'm not sure what the final time will be.  At  
>> first
>> it seemed to be running pretty quickly, but now that it's doing the
>> fieldtypes tests, it is very slow.  So you may want to use an  
>> older JPOX
>> build if you hope to get both application and datastore identity  
>> done in
>> one night!
> Hi Michelle,
> have you got "org.jpox.autoStartMechanism" set to anything in  
> particular ?
> The fact that things slow down is symptomatic of JPOX progressively  
> loading up
> all of the classes that it has ever encountered during its lifetime  
> with the
> DB schema (JPOX_TABLES table) that it connects to. So with each  
> test, it
> finds more classes and so loads up the MetaData of the previous  
> ones, plus
> the new ones. If you set this property to "None" it will start from  
> scratch
> each time (and so not go off an load up other classes not used in  
> that test).
> The log would tell you what is taking the time

Thanks, does this mean


in the properties file?


> Nothing significant has changed in the period you mention (AFAIK)  
> and I see no
> change in runtime speed here on our unit tests.
> -- 
> Andy
> Java Persistent Objects JDO - JPOX

Craig Russell
Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
408 276-5638 mailto:Craig.Russell@sun.com
P.S. A good JDO? O, Gasp!

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