You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@stratos.apache.org by Swapnil Patil <sw...@gmail.com> on 2015/07/20 13:31:20 UTC

Simulating scale up and scale down

Hi All,

I am currently testing AWS Load Balancer extension which is under
development. I want to test the extension for scale up and scale down.

As per my understanding, scaling up and scaling down is done based on the
auto-scaling policy used. So this will act on the real work load. I was
just wondering if it possible to manually add/remove members to/from
cluster just to test how extension will behave for scale up and scale down
(without needing actual workload to simulate scale up and scale down)

Could somebody please let me know if there is any way to do this?

Thanks and Regards,
Swapnil

Re: Simulating scale up and scale down

Posted by Swapnil Patil <sw...@gmail.com>.

Thanks Rajkumar! I will try this.

Regards,
Swapnil

On Mon, Jul 20, 2015 at 11:39 AM, Rajkumar Rajaratnam <ra...@wso2.com>
wrote:

> You can just stress the cartridge instances using some tool. For example,
> if you are using Ubuntu as cartridge OS, then you can install a tool called
> "stress" [1]. You can use this tool to stress memory or CPU. It will
> increase the memory or CPU usages in the instance. It will lead to scale
> up. After scale up, just stop the stress tool, it will lead to scale down.
>
> [1]
> http://www.hecticgeek.com/2012/11/stress-test-your-ubuntu-computer-with-stress/
>
> Thanks,
> Raj.
>
> On Mon, Jul 20, 2015 at 5:01 PM, Swapnil Patil <sw...@gmail.com>
> wrote:
>
>> Hi All,
>>
>> I am currently testing AWS Load Balancer extension which is under
>> development. I want to test the extension for scale up and scale down.
>>
>> As per my understanding, scaling up and scaling down is done based on the
>> auto-scaling policy used. So this will act on the real work load. I was
>> just wondering if it possible to manually add/remove members to/from
>> cluster just to test how extension will behave for scale up and scale down
>> (without needing actual workload to simulate scale up and scale down)
>>
>> Could somebody please let me know if there is any way to do this?
>>
>> Thanks and Regards,
>> Swapnil
>>
>
>
>
> --
> Rajkumar Rajaratnam
> Committer & PMC Member, Apache Stratos
> Software Engineer, WSO2
>
> Mobile : +94777568639
> Blog : rajkumarr.com
>

Re: Simulating scale up and scale down

Posted by Rajkumar Rajaratnam <ra...@wso2.com>.

You can just stress the cartridge instances using some tool. For example,
if you are using Ubuntu as cartridge OS, then you can install a tool called
"stress" [1]. You can use this tool to stress memory or CPU. It will
increase the memory or CPU usages in the instance. It will lead to scale
up. After scale up, just stop the stress tool, it will lead to scale down.

[1]
http://www.hecticgeek.com/2012/11/stress-test-your-ubuntu-computer-with-stress/

Thanks,
Raj.

On Mon, Jul 20, 2015 at 5:01 PM, Swapnil Patil <sw...@gmail.com>
wrote:

> Hi All,
>
> I am currently testing AWS Load Balancer extension which is under
> development. I want to test the extension for scale up and scale down.
>
> As per my understanding, scaling up and scaling down is done based on the
> auto-scaling policy used. So this will act on the real work load. I was
> just wondering if it possible to manually add/remove members to/from
> cluster just to test how extension will behave for scale up and scale down
> (without needing actual workload to simulate scale up and scale down)
>
> Could somebody please let me know if there is any way to do this?
>
> Thanks and Regards,
> Swapnil
>

-- 
Rajkumar Rajaratnam
Committer & PMC Member, Apache Stratos
Software Engineer, WSO2

Mobile : +94777568639
Blog : rajkumarr.com