[Hippo-cms7-user] Re: CMS locks down completely after a modest load test

Rob van der Linden Vooren robvdlv at jteam.nl
Fri Dec 11 20:18:13 CET 2009


Additionally,

I have created a corresponding JIRA issue:
https://issues.onehippo.com/browse/HREPTWO-3527

<https://issues.onehippo.com/browse/HREPTWO-3527>Regards,

Rob


On Fri, Dec 11, 2009 at 5:14 PM, Rob van der Linden Vooren <robvdlv at jteam.nl
> wrote:

> Hi all,
>
> -------------
> Introduction:
> -------------
>
> In our acceptance environment we have encountered a bug where the CMS locks
> down completely after running with ~5 actual concurrent human users.
> In order to narrow down and reproduce this issue, we have taken your
> quickstart version of the CMS 2.09.04, and applied a simple automated load
> test
> with which we were able to reproduce the issue.
>
> --------------------------
> Reproduction of the issue:
> --------------------------
>
> We followed the instructions on:
>
> http://www.onehippo.org/cms7/documentation/quickstart.html
>
> and downloaded the quickstart from here:
>
>
> http://repository.hippocms.org/maven2/org/hippoecm/hippo-ecm-quickstart-bin/2.09.04/hippo-ecm-quickstart-bin-2.09.04.zip
>
> Without further modifications, we started the CMS quickstart on a developer
> notebook.
>
> We used a load testing tool called "Pure Load" (trial version) that allows
> recording and replaying of http requests.
> See: http://www.minq.se/products/pureload/
>
> As such, we set up our test to simulate 5 concurrent clients that perform
> the following steps for an infinite amount of time.
> Note that the scenario below was run from a simple notebook as well.
>
> - login to the cms under unique user credentials
> - navigate to the news folder
> - create a new newsitem with a unique name (counting up)
> - save the newsitem (including 'done', and closing tab)
> - navigate back to the document root
> - log out of the cms
>
> Results:
>
> After running this test setup for 5 to 10 minutes we observe that requests
> from the load tool no longer are served.
> Trying to login to the CMS from a browser with no running session (clear
> cache) results in a timeout: the login form does show, login times out...
>
> Users with a running session in the CMS, are capable of navigating through
> the CMS without visible issues.
> Logging out such a user, will result in a timeout, trying to logout.
>
> --------------------------
> Further information:
> --------------------------
> See attachments.
>
> - Deployment: clean Hippo 7.2 (2.09.04)
> - Tool: PureLoad (free edition, trial version)
> - Test Script: see attachment
> - Nr of workers: 5 (logical names: scenario0 ... scenario4)
> - Nr of threads: 5 (one per worker)
>
> The script uses five (admin)users in the CMS:
> - dennis0 / dennis0
> - dennis1 / dennis1
> - dennis2 / dennis2
> - dennis3 / dennis3
> - dennis4 / dennis4
>
> We used a 6th user (just admin/admin) to monitor activity in the CMS while
> performing the test.
>
> We are sure you can help us out.
> If you need any more information, let us know.
>
> --
> Rob van der Linden Vooren | Software Engineer | JTeam | T: +31(0)2-04862036
> | www.jteam.nl
> General conditions apply
>
>


-- 
Rob van der Linden Vooren | Software Engineer | JTeam | T: +31(0)2-04862036
| www.jteam.nl
General conditions apply
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