[Bro] Manager and logger threads crash immediately on deploy
cherdt at umn.edu
Wed Jul 12 12:01:46 PDT 2017
On Wed, Jul 12, 2017 at 1:56 PM, Mike Dopheide <dopheide at gmail.com> wrote:
> Is that (8 proxies and 32 workers) on ALL 8 hosts? For 64 total proxies?
> That seems like a lot to me.
> On Wed, Jul 12, 2017 at 1:44 PM Chris Herdt <cherdt at umn.edu> wrote:
>> I've successfully run smaller Bro clusters, but now that I'm scaling out
>> I'm seeing the manager and logger threads crash immediately when I deploy
>> the configuration.
>> What I'm trying to run:
>> - 1 manager, 1 logger on 1 host
>> - 8 proxies and 32 workers on 8 hosts
>> I'm using Bro 2.5.1. Each worker host has 2 Myricom 10G NICs w/2 ports
>> each, using the 3.0.10 Myricom SNF driver. I'm attempting to run 9
>> processes (lb_procs) per worker node, each pinned to its own CPU core.
>> What I'm finding is that any time the number of worker processes exceeds
>> ~160 (not a magic number--not consistent, but around that value based on
>> observation), the manager and logger threads crash. If I keep the number of
>> worker processes at or below ~160 (either by reducing processes per node,
>> reducing nodes per host, or reducing hosts in the cluster) it runs
>> successfully. Ideally, the cluster would have 288 worker processes.
>> This does not seem to be related packet volume, as the manager and logger
>> threads crash even if I am not sending any traffic to the worker nodes.
>> Any troubleshooting or optimization suggestions are appreciated.
8 total proxies, 32 total workers.
(1 proxy node + 4 worker nodes) * 8 hosts
University of Minnesota
cherdt at umn.edu
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