status/usage of FRiCKLE/ngx_cache_purge. still reliable? alternatives?
pgnet.dev at gmail.com
Wed Jun 6 22:42:25 UTC 2018
> My $0.02 coming from experience building out scalable WP clusters is,
> stick to Varnish here.
Miscommunication on my part -- my aforementioned Varnish-in-front
referred to site dev in general.
To date, it's been in front of Symfony sites. Works like a champ there.
Since you're apparently working with WP under real-world loads, do you
perchance have a production-ready, V6-compatible VCL & nginx config you
can share? or point to?
> FRiCKLE's module is great, but it would be scary to put into production-
> have fun with that test/release cycle :p
Yep. Hence my question(s)!
> The overhead of putting Nginx in front of Varnish is fairly small in the
> grand scheme of things. What's your motivation to strictly use Nginx?
This time 'round, it's not entirely 'my' motivation; came with the job's
"prefer to haves".
Based, in apparently large part, on the usual use of TheGoogle; these 2
> There is official support for cache purging with the commercial version
> of Nginx: https://www.nginx.com/products/nginx/caching/.
Ah, so not (yet) in the FOSS product. I see it's proxy_cache, not
fastcgi_cache, based ...
> I've seen moderate hardware running Nginx (for TLS offload + WAF) ->
> Varnish (cache + purge) -> Apache/mod_php do 50k r/s on a single node.
> One would hope this suffices; it's a stable and proven stack. Again,
> ngx_cache_purge is great, but any unsupported module in a prod
> environment is scary when you're not writing the code. ;)
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