Re: retroactive freeze break request: kojipkgs01

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On Thu, Feb 26, 2015 at 08:11:50AM -0700, Kevin Fenzi wrote:
> We have been having some persistent issues with kojipkgs01 lately. 
> 
> kojipkgs01 is our squid proxy in front of koji builds. It allows users
> and builders to get fast access to packages. (When it's working). 
> 
> Lately, it's been working fine at first, then in a few days or so it
> starts getting really slow. Downloads go from 25M/s to 200k/sec and
> sometimes things even just timeout. 
> 
> Restarting squid seems to fix this... for a few more days.
> There is never any errors on the box, i/o, load and everything is fine. 
> 
> I looked this morning a bunch at options and adjusted the memory cache
> down in case we were hitting some kind of issue with memory cache. 
> 
> I'd like +1's for that change, and also to solicit ideas for what we
> can do to fix this once and for all (if these changes don't do so). 
> 
> diff --git a/roles/kojipkgs/files/squid.conf b/roles/kojipkgs/files/squid.conf
> index b011143..a0d5312 100644
> --- a/roles/kojipkgs/files/squid.conf
> +++ b/roles/kojipkgs/files/squid.conf
> @@ -6,8 +6,8 @@ hierarchy_stoplist cgi-bin ?
>  
>  cache_swap_low 98
>  cache_swap_high 99
> -cache_mem 50 GB
> -maximum_object_size 700 MB
> +cache_mem 10 GB
> +maximum_object_size 200 MB
>  minimum_object_size 0 KB
>  cache_replacement_policy heap LFUDA
>  maximum_object_size_in_memory 100 MB

+1 for me

We can always revert if we see it doesn't improve

Pierre

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