Based on this change, caching catalog time appears to be about 1/10 of
the total Catalog retrieval number fairly consistently.

Thanks,

Trevor

On Wed, May 9, 2012 at 3:28 AM, Emile MOREL <[email protected]> wrote:
> Hi,
>
> Trevor Vaughan a écrit :
>
>> All,
>>
>> I've noticed an understandable correlation between catalog size and
>> config retrieval time. However, I'm a bit lost as to why it seems so
>> slow.
>>
>> For an example 1.5M catalog:
>>
>> 24 seconds compile time
>> Almost instantaneous transfer time (localhost)
>> 40 seconds registered by the puppet client as the 'Config retrieval time'
>>
>
> Which version of Ruby and Puppet ?
>
> 'Config retrieval time' include the 'caching catalog time' (write catalog on
> disk in YAML format). Your catalog is pretty big, so caching could be very
> slow.
> You can check this by add theses lines in
> lib/puppet/indirector/indirection.rb on the agent side:
>
> +      beginning_time = Time.now
>      Puppet.info "Caching #{self.name} for #{request.key}"
>      cache.save request(:save, result, *args)
> +      Puppet.debug "Caching catalog time: #{(Time.now - beginning_time)}"
>
>
>> Why is there almost as much "other stuff" on the client as the
>> original compile time and is there anywhere that I can start looking
>> to potentially optimize it?
>>
>
>
> I have made a patch to add an option for caching catalog in Marshal format
> (read and write in this format is very faster); I will make a pull request
> for this patch in few time.
>
>
>> I'm perfectly willing to accept that it's just doing a lot and that's
>> how long it takes but it seems a bit odd.
>>
>> Thanks,
>>
>> Trevor
>>
>>
>
>
> Émile
>
>
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-- 
Trevor Vaughan
Vice President, Onyx Point, Inc
(410) 541-6699
[email protected]

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