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From Panagiotis Garefalakis <panga...@gmail.com>
Subject Re: autoscaling cassandra cluster
Date Wed, 21 May 2014 13:04:28 GMT
I agree with Prem, but recently a guy send this promising project called
Mesos in this list.
https://github.com/mesosphere/cassandra-mesos
One of its goals is to make scaling easier.
I don’t have any personal opinion yet but maybe you could give it a try.

Regards,
Panagiotis



On Wed, May 21, 2014 at 3:49 PM, Jabbar Azam <ajazam@gmail.com> wrote:

> Hello Prem,
>
> I'm trying to find out whether people are autoscaling up and down
> automatically, not manually. I'm also interested in whether they are using
> a cloud based solution and creating and destroying instances.
>
> I've found the following regarding GCE
> https://cloud.google.com/developers/articles/auto-scaling-on-the-google-cloud-platformand
how instances can be created and destroyed.
>
>  I
>
>
> Thanks
>
> Jabbar Azam
>
>
> On 21 May 2014 13:09, Prem Yadav <ipremyadav@gmail.com> wrote:
>
>> Hi Jabbar,
>> with vnodes, scaling up should not be a problem. You could just add a
>> machines with the cluster/seed/datacenter conf and it should join the
>> cluster.
>> Scaling down has to be manual where you drain the node and decommission
>> it.
>>
>> thanks,
>> Prem
>>
>>
>>
>> On Wed, May 21, 2014 at 12:35 PM, Jabbar Azam <ajazam@gmail.com> wrote:
>>
>>> Hello,
>>>
>>> Has anybody got a cassandra cluster which autoscales depending on load
>>> or times of the day?
>>>
>>> I've seen the documentation on the datastax website and that only
>>> mentioned adding and removing nodes, unless I've missed something.
>>>
>>> I want to know how to do this for the google compute engine. This isn't
>>> for a production system but a test system(multiple nodes) where I want to
>>> learn. I'm not sure how to check the performance of the cluster, whether I
>>> use one performance metric or a mix of performance metrics and then invoke
>>> a script to add or remove nodes from the cluster.
>>>
>>> I'd be interested to know whether people out there are autoscaling
>>> cassandra on demand.
>>>
>>> Thanks
>>>
>>> Jabbar Azam
>>>
>>
>>
>

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