See Knut Anders's weblog for the scoop! I was part of several major elements of the 10.6 release, and helped out with a number of smaller pieces, so I'm very pleased to see this work released. Rick, thanks a million for putting out the release!
Sadly, after I left my previous job, the new owners of the system almost immediately dumped Derby and transitioned to a Industrial Strength DBMS. Sigh. Derby was in 24x7 production use for almost 4 years at AmberPoint, and I think it did a wonderful job. But I've moved on, and they've moved on.
I still think Derby is a wonderful piece of software, and contains some of the best Java code I've seen anywhere: clearly written, efficient, well-maintained, thoroughly tested, elegant.
I'm not finding much time to spend on Derby right now; working on my mentoring projects for the Google Summer of Code is about all I have time for.
But Derby is a good project and I hope to stay connected to it, and I hope that it finds the success it deserves.
Wednesday, May 19, 2010
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Job well done Bryan & the Derby crew.
ReplyDeleteThanks for the effort you have put on.
Even before you left we saw very bad performance in many of the queries. We seemed to have reached a tipping point after some number of rows. The new industrial DB (my new employer) is
ReplyDeletedoing a much better job on the problematic queries. I think the Derby problem may have been an optimizer bug like you saw before. The system would go to 100% CPU during the entire query.