Re: cf-agent and memory usage

tis 2022-01-04 klockan 09:00 -0800 skrev '[email protected]' via
help-cfengine:
> Here are the docs for the datastate() function for reference: 
> https://docs.cfengine.com/docs/3.18/reference-functions-datastate.html
> 
> I would assume that the return from datastate() is quite large due to
> your policy defining many vars and classes.
> 
> Can you give a minimal reproducer of some sort or some more
> information about your policy that does something like
> 
> ```
> "state" data => datastate();
> ```
> 
> From what you said I assume you have something like that and using
> cf-agent --verbose or --debug you can see that it is "redone in pass
> 2"?
> 
> Could you use classesmatching to find just the classes you want and
> send those to your template? 
> https://docs.cfengine.com/docs/3.18/reference-functions-classesmatching.html
> 
> -Craig
> 
> On Tuesday, January 4, 2022 at 10:32:22 AM UTC-6 [email protected]
> wrote:
> > tis 2022-01-04 klockan 16:54 +0100 skrev Stefan Skoglund:
> > > I have a error in my policy such that cf-agent on the hub eats up
> > all
> > > memory (a virtual machine with 5G of RAM allocated) and when
> > crashes
> > > with xrealloc:
> > > ---
> > >   notice: Q: "...ne/bin/git pull": Already up to date.
> > > xreallocCRITICAL: Unable to allocate memory
> > > ---
> > > 
> > > This is enterprise 18.1.
> > > 
> > > How to debug ?
> > > 
> > > Do cf-agent pulls down data from the clients or is it cf-hub who
> > does
> > > that ?
> > > 
> > 
> > answering to myself, i have a policy which load data_state() into
> > an
> > container in pass 1 and then it is redone in pass 2. 
> > 
> > I wanted the classes part from data_state which is then used in a
> > custom template_data container.
> > 
> > It isn't the first time i have tried this.....
> > 
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Hmm, anyone which has used classesmatching(".*", "hardclass") to get
something which can be checked for in mustache templates using '#' ie
equal to:
---
{{#classes.debian_11}}
.....
{{/classes.debian_11}}
---

I would need the classes from the environment or those defined in
def.json.

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