Size is from 0 to 600kB. Derby comes out of the box in JDK5 and 6 afaik. Not 
sure if it's part of JRE though.
Start time should be measured.

LieGrue,
strub



----- Original Message -----
> From: David Blevins <[email protected]>
> To: [email protected]
> Cc: 
> Sent: Friday, July 6, 2012 5:02 PM
> Subject: Re: why do we use hsqldb?
> 
> 
> On Jul 6, 2012, at 4:21 AM, Romain Manni-Bucau wrote:
> 
>>  http://www.h2database.com/html/performance.html
>> 
>>  that's biased because of the source but derby seems pretty slow which 
> is
>>  not so fine for tests
> 
> Performance & size.  We can certainly check it out again.
> 
> If it adds even 500ms on the embedded boot time, that'd be too much.  Our 
> embedded test times have gotten slower.  Hopefully something we can 
> investigate 
> more at some point -- I have looked into it a bit.
> 
> Test times of injection-of-entitymanager on my machine:
> 
> - 4.1.0, 2.459 sec
> - 3.1.4, 1.903 sec
> 
> Would hate to see that go up more than it has.
> 
> 
> -David
> 
>>  2012/7/6 AndyG <[email protected]>
>> 
>>>  +1 Derby
>>> 
>>>  Using it for a long time in production.
>>> 
>>>  --
>>>  View this message in context:
>>> 
> http://openejb.979440.n4.nabble.com/why-do-we-use-hsqldb-tp4656087p4656098.html
>>>  Sent from the OpenEJB Dev mailing list archive at Nabble.com.
>>> 
>

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