a word of caution about the new default of so-reuseport on FreeBSD

[Sean Bruno]

On 10/10/18 11:40 AM, Harry Schmalzbauer wrote:
> Am 10.10.2018 um 10:53 schrieb Dag-Erling Smørgrav:
>> Author: des
>> Date: Wed Oct 10 08:53:47 2018
>> New Revision: 339278
>> URL: https://svnweb.freebsd.org/changeset/base/339278
>>
>> Log:
>>    Upgrade to 1.8.1.
>>       Approved by:    re (kib)
> 
> Very much appreciated!
> Most likely you are aware about the "so-reuseport" topic via Unbound-users.
> I didn't follow the diff/issue at all, just wanted to point it out, so
> somebody from the experts team can decide if 1.8.1 is suitable (with the
> 1.8.1 defaults) for shipping...
> 
> Thanks,
> -harry
> 
> Am 08.10.2018 um 14:01 schrieb Benno Overeinder via Unbound-users:
>> On 21/09/2018 20:27, nusenu via Unbound-users wrote:
>>> When upgrading (and before restarting unbound) I explicitly set
>>> the new defaults in the conf file to make their value explicit.
>>> ( so-reuseport, harden-below-nxdomain, minimal-responses)
>>>
>>> After I upgraded and restarted unbound all queries were handled by
>>> only a single thread
>>> even though I have multiple threads enabled in the config, as a
>>> result of that the number of
>>> queries in the queue skyrocketed.
>>>
>>> I expected this to be related to so-reuseport and after setting that
>>> to 'no',
>>> things were back to normal (all threads handled queries again, queue
>>> size back to normal).
>> Thank you for bringing this to our attention.  so-reuseport behaves
>> indeed different for Linux and FreeBSD.  We will schedule a different
>> default so-reuseport config setting for FreeBSD in Unbound 1.8.2.  (It
>> will not appear in 1.8.1 which will released this week.)
>>
>> Best regards,
>>
>> -- Benno
> 
> 


I didn't see Johnnes on this thread, so I'm tagging him in the CC.

sean

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 618 bytes
Desc: OpenPGP digital signature
URL: <http://lists.freebsd.org/pipermail/svn-src-head/attachments/20181010/638f6019/attachment.sig>