Hi,

When I try to create an ExecutorService with dw's facilities:

        ExecutorService jdbcExec = 
environment.lifecycle().executorService("jdbc-worker-%d").minThreads(2)
                
.maxThreads(Runtime.getRuntime().availableProcessors()).build();

I get the following warning:

WARN  [2017-01-27 16:08:10,009] 
io.dropwizard.lifecycle.setup.ExecutorServiceBuilder: Parameter 
'maximumPoolSize' is conflicting with unbounded work queues

What is the problem with a limited number of thread with an unbounded queue?

What alternative do I have if I don't want callers of 
ExecutorService.submit to be blocked, but with a limited number of 
concurrently executed task?

Thanks!

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