Only OSD calls set_socket_priority().
See  https://github.com/ceph/ceph/pull/3353

On Tue, Mar 10, 2015 at 3:36 AM, Robert LeBlanc <rob...@leblancnet.us> wrote:
> I've found commit 9b9a682fe035c985e416ee1c112fa58f9045a27c and I see
> that when 'osd heartbeat use min delay socket = true' it will mark the
> packet with DSCP CS6. Based on the setting of the socket in
> msg/simple/Pipe.cc is it possible that this can apply to both OSD and
> monitor? I don't understand the code enough to know how the
> set_socket_options() is called from the OSD and monitor.
>
> If this applies to both monitor and OSD, would it be better to rename
> the option to a more generic name?
>
> Thanks,
>
> On Sat, Mar 7, 2015 at 4:23 PM, Daniel Swarbrick
> <daniel.swarbr...@gmail.com> wrote:
>> Judging by the commit, this ought to do the trick:
>>
>> osd heartbeat use min delay socket = true
>>
>> On 07/03/15 01:20, Robert LeBlanc wrote:
>>>
>>> I see that Jian Wen has done work on this for 0.94. I tried looking
>>> through the code to see if I can figure out how to configure this new
>>> option, but it all went over my head pretty quick.
>>>
>>> Can I get a brief summary on how to set the priority of heartbeat
>>> packets or where to look in the code to figure it out?
>>>
>>> Thanks,
>>>
>>> On Thu, Aug 28, 2014 at 2:01 AM, Daniel Swarbrick
>>> <daniel.swarbr...@profitbricks.com
>>> <mailto:daniel.swarbr...@profitbricks.com>> wrote:
>>>
>>>     On 28/08/14 02:56, Sage Weil wrote:
>>>     > I seem to remember someone telling me there were hooks/hints you
>>> could
>>>     > call that would tag either a socket or possibly data on that socket
>>> with a
>>>     > label for use by iptables and such.. but I forget what it was.
>>>     >
>>>
>>>     Something like setsockopt() SO_MARK?
>>>
>>>             *SO_MARK *(since Linux 2.6.25)
>>>                    Set the mark for each packet sent through this socket
>>>     (similar
>>>                    to the netfilter MARK target but socket-based).
>>>     Changing the
>>>                    mark can be used for mark-based routing without
>>>     netfilter or
>>>                    for packet filtering.  Setting this option requires the
>>>                    *CAP_NET_ADMIN *capability.
>>>
>>>     Alternatively, directly set IP_TOS options on the socket, or
>>> SO_PRIORITY
>>>     which sets the IP TOS bits as well.
>>>
>>>
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>>>
>>>
>>>
>>>
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>>
>>
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-- 
Best,

Jian
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