[Seaside] Nginx Load-Balancing Experiences ?

[Esteban A. Maringolo]

Thank you for sharing this Sven.

Are you storing Seaside sessions in memcache?

Regards!
Esteban A. Maringolo


2014-04-24 9:53 GMT-03:00 Sven Van Caekenberghe <sven at stfx.eu>:
> Hi,
>
> I want to share the nginx configuration I am currently using and that seems to work fine:
>
> ===
> upstream t3-mobile {
>   ip_hash;
>   server localhost:9090;
>   server localhost:9091;
> }
>
> server {
>   listen 443 ssl;
>   server_name XXX;
>
>   ssl_certificate /home/ubuntu/t3-mobile/XXX.chained.cert;
>   ssl_certificate_key /home/ubuntu/t3-mobile/XXX.key;
>
>   location /files {
>     alias /home/ubuntu/t3-mobile/static-files;
>     try_files $uri @seaside;
>     gzip on;
>     gzip_types application/x-javascript text/css;
>     expires 30d;
>   }
>
>   location / {
>     proxy_pass http://t3-mobile;
>     add_header X-Server Pharo;
>   }
>
>   location @seaside {
>     proxy_pass http://t3-mobile;
>     add_header X-Server Pharo;
>   }
> }
> ===
>
> I any case, it gives me an all A score on YSlow (except for the CDN usage).
>
> I deploy my static resources from FileLibraries to the filesytem.
>
> I share some session state in a memcached instance, mainly for recovering expired sessions.
>
> The web app accesses a large REST based system, so does not do its own persistency.
>
> I am happy - thanks for keeping Seaside alive !
>
> Sven
>
> On 26 Mar 2014, at 15:10, Sven Van Caekenberghe <sven at stfx.eu> wrote:
>
>> Thanks Johan, that was interesting.
>> I am still reading other documentation.
>>
>> On 26 Mar 2014, at 12:13, Johan Brichau <johan at inceptive.be> wrote:
>>
>>> Hey Sven,
>>>
>>> We use session affinity based on the seaside session parameter.
>>> I think you will find what you need in this article:
>>>
>>> http://johanbrichau.blogspot.be/2012/05/when-to-use-http-session-affinity-in.html
>>>
>>> There are other nginx modules to achieve session affinity based on another parameter too, but I do not remember what they were.
>>>
>>> regards,
>>> Johan
>>>
>>> On 26 Mar 2014, at 12:08, Sven Van Caekenberghe <sven at stfx.eu> wrote:
>>>
>>>> Hi,
>>>>
>>>> I am about to try to figure out how to do sticky load-balancing for multiple Seaside instances using Nginx (I know how to do it using Apache).
>>>>
>>>> I currently have this working:
>>>>
>>>> upstream t3-mobile {
>>>>       server localhost:9090;
>>>> #        server localhost:9091;
>>>> #        server localhost:9092;
>>>> #        server localhost:9093;
>>>> }
>>>>
>>>> server {
>>>>      listen 443 ssl;
>>>>
>>>>      location / {
>>>>               proxy_pass http://t3-mobile;
>>>>      }
>>>> }
>>>>
>>>> I just have to get the stickiness in. There seems to be a difference in available options between the open source and commercial versions.
>>>>
>>>> Any experiences, recommendations, pointers ?
>>>>
>>>> TIA,
>>>>
>>>> Sven_______________________________________________
>>>> seaside mailing list
>>>> seaside at lists.squeakfoundation.org
>>>> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>>>
>>> _______________________________________________
>>> seaside mailing list
>>> seaside at lists.squeakfoundation.org
>>> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>>
>
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