Does HippoCMS Enterprise support Tomcat Session Clustering

[Gordon McKinney]

Any pointers to docs would be great! thx :-)

[marijan milicevic]

Hi,

On Wed, Mar 30, 2016 at 6:12 PM, Gordon McKinney <gor...@dynamit.com> wrote:

Any pointers to docs would be great! thx :-)

I don't know much about tomcat session clustering, but as long as it (or load balancer) supports sticky sessions, it should be ok. 

see also:

http://www.onehippo.com/en/resources/blogs/2013/07/hippo-cms-a-birds-eye-architectural-tour.html

cheers

marijan

 

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[Gordon McKinney]

Sadly our load balancer is not authorized by the admin team to use sticky sessions... That was our first attempt at resolution. :-(

[Ard Schrijvers]

On Wed, Mar 30, 2016 at 6:41 PM, Gordon McKinney <gor...@dynamit.com> wrote:
> Sadly our load balancer is not authorized by the admin team to use sticky
> sessions... That was our first attempt at resolution. :-(

We don't support session clustering for the CMS and hence it is quite
likely we set unserializable objects as session attributes (I can't
tell for sure but it would surprise me if it doesn't happen). For site
implementations we normally try to stay stateless. The CMS requires
sticky sessions. See [1] where this is documented

HTH,

Regards Ard

[1] http://www.onehippo.org/library/about/why-hippo/scalability.html

>
>
> On Wednesday, March 30, 2016 at 11:12:06 AM UTC-5, Gordon McKinney wrote:
>>
>> Any pointers to docs would be great! thx :-)
>

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[Gordon McKinney]

Yes, the CMS we had an issue... thanks for clarifying the situation... and I completely understand the rationale... there's likely quite a lot in the session for the CMS.

For site we prefer stateless also for better internet scale.

Thanks for confirming this!!!

[Ard Schrijvers]

On Wed, Mar 30, 2016 at 7:15 PM, Gordon McKinney <gor...@dynamit.com> wrote:
> Yes, the CMS we had an issue... thanks for clarifying the situation... and I
> completely understand the rationale... there's likely quite a lot in the
> session for the CMS.
>
> For site we prefer stateless also for better internet scale.
>
> Thanks for confirming this!!!

You're welcome, hope you/infra can deal with it,

Regards Ard