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From Bryan Pendleton <bpendleton.de...@gmail.com>
Subject Re: What creates rawStoreDaemon threads in embedded derby db?
Date Wed, 02 Dec 2015 03:20:17 GMT
> It seems to work fine, normally. However, someone else running the program
> got several thousand rawStoreDaemon threads.
>
> I can't recreate these extra threads. What's worse I can't even seem to make
> more than one derby.rawStoreDaemon threads.  I have had up to 100 active
> connections and several users at once, but nothing seems to even make a
> second derby.rawStoreDaemon thread.
>
> My basic question is, what makes these threads? How come there is ever more
> than one?

People have made similar observations in the past, but we've never
identified a clear reproducible case.

See, e.g.,

https://issues.apache.org/jira/browse/DERBY-594

and

https://issues.apache.org/jira/browse/DERBY-4210

bryan



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