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From Robert Enyedi <robert.eny...@intland.com>
Subject Re: Heap and stack size for Derby server
Date Fri, 03 Nov 2006 08:38:18 GMT
Does the lack of answers mean that there are no best practices in 
setting the stack and heap limits for Derby?


Robert Enyedi wrote:
> Hi,
> I've recently tested Derby with a SELECT statement containing 5000 
> elements inside an IN clause. The query looked something like this:
> SELECT field1 FROM table1 WHERE field1 IN (0, 1, 2, ..., 4999)
> This failed with a server side StackOverflowError. True, I got past 
> this issue by starting Derby with the "-Xss1024k" JVM option, but this 
> was a trial and error approach.
> Are there any recommendations on how to set the size of the heap and 
> stack for a Derby instance? Is there a way to estimate the memory 
> requirements of a Derby database? Did anyone had such experiences?
> Regards,
> Robert
> PS: I've been using the Derby release in networked mode 
> running on Sun JRE 1.5.0_09.

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