[ovirt-devel] vdsm vds.dispatcher

[Martin Sivak]

One more thing:

MOM's getStatistics is actually called by VDSM stats reporting code,
so my guess here is that someone queries VDSM for stats pretty hard,
VDSM then asks MOM for details.

Martin

On Thu, Aug 31, 2017 at 4:14 PM, Martin Sivak <msivak at redhat.com> wrote:
> Hi,
>
>> 2017-08-27 23:15:41,199 - mom.RPCServer - INFO - ping()
>> 2017-08-27 23:15:41,200 - mom.RPCServer - INFO - getStatistics()
>> 2017-08-27 23:15:43,946 - mom.RPCServer - INFO - ping()
>> 2017-08-27 23:15:43,947 - mom.RPCServer - INFO - getStatistics()
>
> These are logs from mom's RPC server, someone is calling MOM way too
> often. Well about 25 times per minute if my math is right.
>
> The only client I know about is actually VDSM.
>
> Martin
>
>
> On Mon, Aug 28, 2017 at 9:17 AM, Gary Pedretty <gary at ravnalaska.net> wrote:
>> Be glad to provide logs to help diagnose this.  I see nothing unusual in the
>> vdsm.log
>>
>> mom.log shows the following almost as frequently as the messages log entries
>>
>> 2017-08-27 23:15:41,199 - mom.RPCServer - INFO - ping()
>> 2017-08-27 23:15:41,200 - mom.RPCServer - INFO - getStatistics()
>> 2017-08-27 23:15:43,946 - mom.RPCServer - INFO - ping()
>> 2017-08-27 23:15:43,947 - mom.RPCServer - INFO - getStatistics()
>>
>>
>> ------------------------------------------------------------------------
>> Gary Pedretty                                        gary at ravnalaska.net
>> Systems Manager                                          www.flyravn.com
>> Ravn Alaska                           /\                    907-450-7251
>> 5245 Airport Industrial Road         /  \/\             907-450-7238 fax
>> Fairbanks, Alaska  99709        /\  /    \ \ Second greatest commandment
>> Serving All of Alaska          /  \/  /\  \ \/\   “Love your neighbor as
>> Green, green as far as the eyes can see             yourself” Matt 22:39
>> ------------------------------------------------------------------------
>>
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>> On Aug 27, 2017, at 10:51 PM, Piotr Kliczewski <piotr.kliczewski at gmail.com>
>> wrote:
>>
>> This change was backported to 4.1 and you can find it in 4.19.7+.
>>
>> This log entry appears in the logs when a client disconnects. 3
>> seconds is much too often and the only client could do it is mom
>> (adding Martin to confirm).
>>
>> On Mon, Aug 28, 2017 at 12:11 AM, Gary Pedretty <gary at ravnalaska.net> wrote:
>>
>> vdsm-4.18.21-1.el7.centos.x86_64
>>
>> the entries are about every 3 seconds on all hosts
>>
>>
>> ------------------------------------------------------------------------
>> Gary Pedretty                                        gary at ravnalaska.net
>> Systems Manager                                          www.flyravn.com
>> Ravn Alaska                           /\                    907-450-7251
>> 5245 Airport Industrial Road         /  \/\             907-450-7238 fax
>> Fairbanks, Alaska  99709        /\  /    \ \ Second greatest commandment
>> Serving All of Alaska          /  \/  /\  \ \/\   “Love your neighbor as
>> Green, green as far as the eyes can see             yourself” Matt 22:39
>> ------------------------------------------------------------------------
>>
>>
>>
>>
>> On Aug 27, 2017, at 12:46 PM, Piotr Kliczewski <piotr.kliczewski at gmail.com>
>> wrote:
>>
>> Hello,
>>
>> This is not an error and it was modified to reduce logging level.
>> Which vdsm version are you using?
>>
>> Thanks,
>> Piotr
>>
>>
>>