Re: Răspuns: AS7 plugin: Hibernate Query Cache resource type
Van Dillon
vandillon at gmail.com
Tue Dec 3 17:58:07 UTC 2013
Can you discern between JMS temporary queues and regular queues? I have
seen temporary queues show up as resources only to become unavailable.
-Van
On Tue, Dec 3, 2013 at 12:10 PM, Thomas Segismont <tsegismo at redhat.com>wrote:
> My opinion is that Query Cache resources should not be auto discovered
> whereas JMS queues should be.
>
> Waiting for more input before taking action.
>
> Le 29/11/2013 12:49, Michael Burman a écrit :
>
>> Hi,
>>
>> Costel, on the other hand, JMS queues and their changing sizes are the
>> only thing we really monitor in our environment. That's a quick way to
>> find out if something is wrong, when queue's message amounts keep
>> growing (or a certain service shows such behaviour).
>>
>> There's no silver bullet to keep just certain resources.
>>
>> - Micke
>>
>>
>> On Fri, Nov 29, 2013 at 1:17 PM, Costel Cosman <costelcsmn at yahoo.ro
>> <mailto:costelcsmn at yahoo.ro>> wrote:
>>
>> Hi Thomas,
>>
>> I was thinking the same thing with other resources too, like the
>> EJBs, JMS queues, etc.
>>
>> In our company we use RHQ to monitor production JBoss servers with a
>> lot of EJBs but no one is really interested to monitor these EJBs or
>> at least they are interested in monitoring only some of them.
>> These useless resources bring unnecessary load on both RHQ server
>> and agent. By default they are checked for the availability and have
>> some metrics enabled.
>>
>> An idea would be to have a lazy discovery for these resources - at
>> request, maybe some configuration in the Connection Settings of the
>> parent resource to enable the discovery of such child resources,
>> maybe define a regexp pattern for the resource names we are
>> interested in.
>>
>>
>> Regards,
>> Costel
>>
>>
>> ------------------------------------------------------------
>> ------------
>> *De la:* Thomas Segismont <tsegismo at redhat.com
>> <mailto:tsegismo at redhat.com>>
>> *Către:* rhq-devel at lists.fedorahosted.org
>> <mailto:rhq-devel at lists.fedorahosted.org>
>> *Trimis:* Vineri, 29 Noiembrie 2013 12:27:48
>> *Subiect:* AS7 plugin: Hibernate Query Cache resource type
>>
>>
>> Hi everyone,
>>
>> I fixed "Bug 1033130 - [AS7] Exception during discovery of Query Cache
>> resources of RHQ Server resource" this week.
>>
>> So what? Well now if you inventory RHQ server resource you get more
>> than
>> 2000 query cache resources showing up. Which of course costs you CPU
>> and
>> memory.
>>
>> You can of course just ignore this resource type (via the admin
>> pages).
>>
>> So I was wondering: shouldn't we change such resource types to no
>> longer
>> auto discover them but only allow manual add?
>>
>> Opinions?
>>
>> Thanks,
>> Thomas
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