Netgraph/mpd5 stability issues

[Mike Tancsa]

Thanks,
	I will give those values a try!

	---Mike

On 1/17/2011 11:14 AM, Eugene Grosbein wrote:
> On 17.01.2011 17:41, Mike Tancsa wrote:
> 
>>>> I also have stability issues on RELENG_8.
>>>>
>>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=153497
>>>
>>> Do you change net.isr.direct from default 1 to 0 for your box?
>>
>> No, I leave it at 1
>>
>> 	---Mike
> 
> I was experiencing some instability with mpd/netgraph too
> but found workaround: increase netgraph buffers/queues.
> 
> For 4GB RAM, /boot/loader.conf:
> 
> # netgraph queue sizes tuning, see vmstat -z|egrep 'ITEM|NetGraph'
> net.graph.maxdata=65536
> net.graph.maxalloc=65536
> 
> For /etc/sysctl.conf:
> 
> kern.ipc.maxsockbuf=83886080
> net.graph.maxdgram=8388608
> net.graph.recvspace=8388608
> 
> It helps not to overflow netgraph event queues in my case
> and takes away netgraph-related stability problems.
> 
> Eugene Grosbein
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