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From legolas wood <legola...@gmail.com>
Subject Re: does Derby has some form of performance problem ?
Date Sat, 04 Nov 2006 22:20:16 GMT
Daniel Noll wrote:
> legolas wood wrote:
>> Hi
>> Thank you for reading my post
>> i want to know whether this benchmark result is correct or not.
>> we are using derby as embedded database and it took a long time to 
>> start the database.
>> we use a proper shutdown every time we are leaving the application.
>> does any one here used derby for real world jobs (embedded mode) that 
>> database size growth to +100 MB ?
>> benchmark result
>> http://www.h2database.com/html/frame.html?performance.html&main
>> is it usual for derby to take 20-30 seconds to start ?
>> does startup time depend on database size ?
> Derby does take very long to start up.  Our database sizes are 
> generally quite large (gigabytes), but even smaller databases take 
> "too long" to start up, particularly comparing to HSQLDB.
> IIRC, someone said they were going to address this issue the last time 
> it was brought up (may have been by me.)
> Daniel
> (...PS... This H2 thing is new to me.  I wonder what it's like at 
> handling tens of gigabytes of data.)
Can i ask how much time does it takes ?
so it is normal that our database take 30 second to boot up just with 
100 MB size ?


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