[cisco-voip] Cisco Jabber, UDS, High CPU

[ROZA, Ariel]

Hi, Ryan.

CUCM/Presence  is 11.5 SU2. If those messages appear in the default log level, I haven´t seen any.
And I am not sure the bug applies, as I havn´t been told of any general degradation, besides the 20-min CPU spike.
As a fix/workaround I asked my customer to add multiple SRV records for cisco-uds. (they have only one, pointing to the affected subscriber).
The internal Jabber clients use EDI, but all the cucm-uds calls come from the Expressway and MRA Jabber clients.

Regards,

Ariel.

De: Ryan Ratliff (rratliff) [mailto:rratliff at cisco.com]
Enviado el: lunes, 16 de abril de 2018 01:26 p.m.
Para: ROZA, Ariel <Ariel.ROZA at LA.LOGICALIS.COM>
CC: cisco-voip list <cisco-voip at puck.nether.net>
Asunto: Re: [cisco-voip] Cisco Jabber, UDS, High CPU

What version of UCM are you on? If it’s 11.5 SU3 check informix ccm.log for something like this:
23:13:59 SCHAPI: last statement aus_refresh_stats(integer,integer)
23:13:59 SCHAPI: [Auto Update Statistics Refresh 43-2] Error -217 Column (aus_cmd_dbs_priority) not found in any table in the query (or SLV is undefined).

This is CSCva78144.

I ask because I’m pretty sure one of those last two numbers is the time taken to process the request, and neither of those are a good number.

-Ryan

On Apr 13, 2018, at 2:22 PM, ROZA, Ariel <Ariel.ROZA at la.logicalis.com<mailto:Ariel.ROZA at la.logicalis.com>> wrote:

Hi, guys and gals.

I am trying to troubleshoot a High CPU Alarm on a CUCM Subscriber:

I ran the “utils diagnose test” command and got warnings on the tomcat_sessions module. gathered all the  tomcats logs around the time of the event and found lots of  GET /cucm-uds/users HTTP/1.1 200 1383 1611 queries.

In the Bug Search tool I found several bugs for old jabber versions regarding this, one enhancement request but no fixes.

I was wondering if it is possible to load balance the UDS queries around the cluster using several DNS SRV records for _cisco-uds._tcp<domain> with the same priority /weight to load balance the queries, or if this breaks functionality, somehow. The only examples I found are ones with different weight/priority.

Regards,

Ariel Roza
Collaboration Support Engineer
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