[Bro] Version: 2.0-907 -- Bro manager memory exhaustion

Robin Sommer robin at icir.org
Tue Jul 31 08:11:28 PDT 2012

On Mon, Jul 30, 2012 at 20:57 +0000, you wrote:

> The deployment consists of six servers; one as a manager and the other five
> as nodes.  Each node runs 20 workers and 2 proxies.  The manager is
> FreeBSD; the workers are Linux with PF_RING transparent_mode=2.

(Note, you don't need 2 proxies per node; it may actually already be
fine to run a single proxy on the manager box).

> After starting bro, the manger continually consumes memory until system
> exhaustion (64GB).  The CPU usage is high as well.

That's not a good sign for the manager ... It's possible that we have
a memory leak in there. Has it worked better with 2.0? (If you have
tried that?)

> Another problem is over 50% of the workers consume 100% CPU.  This is very
> odd considering the low volume traffic between 400-1000 Mbps per node.

So that's 400-1000 Mbps divided by 20 workers processes? I'll let
other's chime in here, not really sure what to expect with PF_RING in
that setup.


Robin Sommer * Phone +1 (510) 722-6541 * robin at icir.org
ICSI/LBNL    * Fax   +1 (510) 666-2956 *   www.icir.org

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