[Beowulf] What services do you run on your cluster nodes?

Greg Lindahl lindahl at pbm.com
Mon Sep 22 22:12:45 EDT 2008


On Mon, Sep 22, 2008 at 08:54:36PM -0400, Perry E. Metzger wrote:

> If you're sending out a status email every 30 seconds, something is
> very wrong with your setup.

Many things wake up when they have no work to do.

> By the way, if you really can't afford for things to "go away" for
> 1/250th of a second very often, I have horrible news for you: NO
> COMPUTER WILL WORK FOR YOU.

You haven't done much HPC, have you? Why do you think we build
interconnects with latencies on order 1 microsecond?

-- greg

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