A problem on TCP in High RTT Environment.

[Eggert, Lars]

Hi,

On 2014-8-11, at 21:27, Michael Tuexen <Michael.Tuexen at lurchi.franken.de> wrote:
> On 11 Aug 2014, at 14:12, Eggert, Lars <lars at netapp.com> wrote:
>> 544/57/8194 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
> I guess the above is the problem. The card wants a lot of mbufs...
> So the problem should go away if you increase the number of mbufs/clusters,
> which means no requests are denied and you don't experience any performance
> issue.

And I have six of those ports in that box...

So I bump kern.ipc.nmbclusters? Any additional sysctls I should bump?

Thanks,
Lars

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