[rabbitmq-discuss] Statistics gathering

Mon Aug 12 18:29:50 BST 2013

Actually my evaluation has been postponed to the next month. I will keep
you up to date!

Best,
Flavio
On Aug 11, 2013 8:46 PM, "Matthias Radestock" <matthias at rabbitmq.com> wrote:
>
> Flavio,
>
> have you been able to answer the questions below yourself, after further
investigation?
>
> Regards,
>
> Matthias
>
>
> On 25/07/13 13:18, Flavio Pompermaier wrote:
>>
>> So, actually I have just to tune sample_retention_policies to keep and
>> aggregate statistics as long as I need!
>> Is there a way to reset those statistics (during development I think I
>> will make several tests in a day, but I think I'll keep stats for a day
>> so I need to reset those couters..)?
>> Moreover, I saw that detailed stats are available only for 10
>> seconds..do you think it could be feasible to keep detailed data for an
>> entire day or does it occupy too much space on disk?
>> For example, I'd like to do something like:
>>
>> {rabbitmq_management, [{sample_retention_policies,
>>                            [{global,   [{60, 5}, {3600, 60}, {86400,
>> 1200}]},
>>                             {basic,    [{60, 5},{3600, 60}, {86400,
1200}]},
>>                             {detailed, [{10, 5},{3600, 60}, {86400,
1200}]}
>>                          ]},
>>
>> What is not clear to me is which statistics provides each category..for
>> example, detailed what information does affects?
>> If i ask for /api/queues, will I receive more or less data if I had also
>> detailed infos?
>> Resolution defined in sample_retention_policies have different
>> granularities in order to perform cumulative stats faster and save disk,
>> right?
>> Because I could configure {basic, [{{86400, 5}]} but then I keep all
>> 5-secs samples for all the day and also compute aggregate stats will
>> require to pass all the samples..(correct me if I'm wrong).
>> Will HTTP api returns cumulative stats only? sample_age and sample_incr
>> parameters are useful only I want all samples, right?
>>
>> Thanks for the support,
>> Flavio
>
>
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