On Monday, June 29, 2015 at 5:47:54 PM UTC+2, Erik Dalén wrote:
>
> If you have any exported resource collections or query any external system 
> for data it won't work (puppetdbquery, DNS, LDAP for example).
>
> But for the subset you can make those guarantees I suppose it will give a 
> speed boost.
>


That is quite true. Most of the time in our case, new exported resources 
mean either a change of code, or a newly classified node (which means new 
hiera data in our case), so that would actually work.


 

>
> On Mon, Jun 29, 2015, 17:43 Raphaël Pinson <raphael...@camptocamp.com 
> <javascript:>> wrote:
>
>> Hello,
>>
>>
>> I've activated caching on our Puppetservers, using the admin API to 
>> invalidate the cache upon deploying new environments. However, this only 
>> caches manifests, and catalogs still need to be compiled for every request.
>>
>> I'm thinking (at least in our case) it wouldn't be totally crazy to cache 
>> catalogs on the master so long as:
>>
>> * manifests are not changed (this is taken care of by the r10k hook + 
>> admin API)
>> * data do not change (same, since we deploy hiera data with r10k)
>> * facts do not change.
>>
>>
>> Obviously, *some* facts always change (uptime, memoryfree, swapfree, 
>> etc.), but most of them don't. So the idea would be to add a parameter in 
>> puppet.conf with the name of these facts that should be used as a basis for 
>> invalidating the catalog, and use the other facts to decide when a catalog 
>> should be recompiled.
>>
>> Is there already some kind of code doing that, or any opinion/feedback on 
>> this idea?
>>
>>
>> Cheers,
>>
>> Raphaël
>>
>>
>>
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