> On 8 Aug 2022, at 06:49, Sergey A. Osokin <o...@freebsd.org.ru> wrote: > > Hi, > > On Fri, Aug 05, 2022 at 07:40:35PM +0530, Vishwas Bm wrote: >> >> What is the use of zone in stream upstream >> http://nginx.org/en/docs/stream/ngx_stream_upstream_module.html#zone > > Since this is the part of the commercial subscription, I'd recommend > to contact NGINX Plus premium support team, please visit the following > page to get details, https://www.nginx.com/support/
And also included in opensource nginx. > >> Does it have any impact on how loadbalancing happens when there are >> multiple worker process? > > No impact. Actually, enabling upstream zone moves internal peer state storage to shared memory, such that loadbalancing becomes consistent among worker processes. This includes reusing SSL sessions to backends. > >> Also how is the size needs to be calculated ? >> Is 5m size sufficient for 10 worker process? > > That depends on the actual NGINX Plus configuration and other factors, > usually 64k is enough, but that number can be revisited with an extensive > testing in a lower environments. > > Thank you. > It's roughly 500 bytes per upstream server in a simple case. The exact numbers depend on nginx version and configuration. Also, currently upstream zone cannot be configured to be less than 8 page sizes. -- Sergey Kandaurov _______________________________________________ nginx mailing list -- nginx@nginx.org To unsubscribe send an email to nginx-le...@nginx.org
