On Wed, 29 Jul 2009 12:13:50 +0200, Rob van der Heij <[email protected]> wrote:
>Right, that is a very familiar problem with a lot of middleware and >enterprise applications. It's called "polling" when the developer >writes the program to wake up very frequent just to check for work. It >is bad behavior and hurts scalability. > I know. It is not so much the problem in this case. Well, obviously it is in terms of resource consumption. But in this case I am testing a PTF so I'm trying to recreate a problem that has to do with user sitting in queue wh ile not using CPU. > >Try this: PIPE literal +0.1 | dup * | delay | hole >On a z9 it shows me using less than 0.01% of a CPU and sit in Q3 all the time. > That's what I was looking for. Indeed, the user rests in Q3. Now let's se e if I can recreate the bug. Thanks. Berry.
