We need HA for all main S2 core components. ( CC, ELB, ADC and Agent ). We
have to test all scenarios.  Will start with Agent
On Jan 13, 2013 7:40 AM, "Lakmal Warusawithana" <[email protected]> wrote:

> +1 for pacemaker and DRBD
> On Jan 12, 2013 9:54 PM, "Damitha Kumarage" <[email protected]> wrote:
>
>> There is a recommended high availability solution for Openstack using
>> Pacemaker and DRBD. Pacemaker is application and service agnostic so this
>> should work for our S2 foundation level HA as well.
>>
>> Damitha
>>
>> On Sat, Jan 12, 2013 at 8:14 PM, Lahiru Sandaruwan <[email protected]>wrote:
>>
>>> Hi all,
>>>
>>> I talked with Azeez. He said implementing a HA with master-slave would
>>> work for this. I'll take this up after current issues solved.
>>>
>>> Thanks.
>>>
>>>
>>> On Sat, Jan 12, 2013 at 10:20 AM, Lakmal Warusawithana 
>>> <[email protected]>wrote:
>>>
>>>> Got it. But adding 20mb for only agent is useless.  What I am saying we
>>>> should run whole PHP under 100 MB.
>>>>  On Jan 12, 2013 10:15 AM, "Nirmal Fernando" <[email protected]> wrote:
>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Sat, Jan 12, 2013 at 10:13 AM, Lakmal Warusawithana <
>>>>> [email protected]> wrote:
>>>>>
>>>>>> -1, PHP should run under 100mb
>>>>>>
>>>>> You missed my reply :-) It was:
>>>>>
>>>>> Quoting Azeez: "The pack in only 11 MB & operates in the region of 20
>>>>> MB memory footprint, as was the requirement."
>>>>>
>>>>>
>>>>>> On Jan 12, 2013 9:56 AM, "Damitha Kumarage" <[email protected]> wrote:
>>>>>>
>>>>>>> Last time we tried it it took more 160mb
>>>>>>>
>>>>>>> Damitha
>>>>>>>
>>>>>>> On Sat, Jan 12, 2013 at 9:50 AM, Lakmal Warusawithana <
>>>>>>> [email protected]> wrote:
>>>>>>>
>>>>>>>> In a very highly scalable system 10mb (as example ) is a
>>>>>>>> significant.  How much memory take for JVM?
>>>>>>>>  On Jan 12, 2013 9:47 AM, "Nirmal Fernando" <[email protected]>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Sat, Jan 12, 2013 at 9:40 AM, Damitha Kumarage <
>>>>>>>>> [email protected]> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Nirmal,
>>>>>>>>>> Moving a java agent into to a php cartridge vm would not work for
>>>>>>>>>> us. I think here we are going back to the beginning of discussions 
>>>>>>>>>> about
>>>>>>>>>> the topic. The memory levels that java processes take comparably in 
>>>>>>>>>> a php
>>>>>>>>>> environment is not acceptable.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> AFAIR, Azeez made this agent to have a very low memory footprint.
>>>>>>>>>
>>>>>>>>> Unless we give a python tribes solution for this I am -1 for this.
>>>>>>>>>> Why don't we provide HA for agent?
>>>>>>>>>>
>>>>>>>>>> Damitha
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Sat, Jan 12, 2013 at 8:41 AM, Nirmal Fernando <[email protected]
>>>>>>>>>> > wrote:
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Sat, Jan 12, 2013 at 8:25 AM, Lakmal Warusawithana <
>>>>>>>>>>> [email protected]> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> That's the ultimate solution.  That's why we need a python
>>>>>>>>>>>> implimentation of agent.
>>>>>>>>>>>>
>>>>>>>>>>> Then we need a Python implementation of Tribes, right? That
>>>>>>>>>>> would take a considerable amount of time. For this release, can't 
>>>>>>>>>>> we just
>>>>>>>>>>> install Java and run this light weight Agent inside instance?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>> On Jan 12, 2013 8:19 AM, "Nirmal Fernando" <[email protected]>
>>>>>>>>>>>> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Guys,
>>>>>>>>>>>>>
>>>>>>>>>>>>> What about $subject?
>>>>>>>>>>>>>
>>>>>>>>>>>>> In this case, bringing down the Agent will only bring down
>>>>>>>>>>>>> that particular instance where the agent in.
>>>>>>>>>>>>>
>>>>>>>>>>>>> WDYT?
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>>
>>>>>>>>>>>>> Thanks & regards,
>>>>>>>>>>>>> Nirmal
>>>>>>>>>>>>>
>>>>>>>>>>>>> Software Engineer- Platform Technologies Team, WSO2 Inc.
>>>>>>>>>>>>> Mobile: +94715779733
>>>>>>>>>>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>>>>>>>>>>
>>>>>>>>>>>>> <http://nirmalfdo.blogspot.com/>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>>
>>>>>>>>>>> Thanks & regards,
>>>>>>>>>>> Nirmal
>>>>>>>>>>>
>>>>>>>>>>> Software Engineer- Platform Technologies Team, WSO2 Inc.
>>>>>>>>>>> Mobile: +94715779733
>>>>>>>>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>>>>>>>>
>>>>>>>>>>> <http://nirmalfdo.blogspot.com/>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> __________________________________________________________________
>>>>>>>>>> Damitha Kumarage
>>>>>>>>>> Senior Technical Lead; WSO2 Inc.
>>>>>>>>>> Oxygenating the Web Service Platform
>>>>>>>>>> http://www.wso2.com/
>>>>>>>>>> blog:
>>>>>>>>>> http://damithakumarage.wordpress.com/
>>>>>>>>>> __________________________________________________________________
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>>
>>>>>>>>> Thanks & regards,
>>>>>>>>> Nirmal
>>>>>>>>>
>>>>>>>>> Software Engineer- Platform Technologies Team, WSO2 Inc.
>>>>>>>>> Mobile: +94715779733
>>>>>>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>>>>>>
>>>>>>>>> <http://nirmalfdo.blogspot.com/>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> __________________________________________________________________
>>>>>>> Damitha Kumarage
>>>>>>> Senior Technical Lead; WSO2 Inc.
>>>>>>> Oxygenating the Web Service Platform
>>>>>>> http://www.wso2.com/
>>>>>>> blog:
>>>>>>> http://damithakumarage.wordpress.com/
>>>>>>> __________________________________________________________________
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Thanks & regards,
>>>>> Nirmal
>>>>>
>>>>> Software Engineer- Platform Technologies Team, WSO2 Inc.
>>>>> Mobile: +94715779733
>>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>>
>>>>> <http://nirmalfdo.blogspot.com/>
>>>>>
>>>>
>>>
>>>
>>> --
>>> --
>>> Lahiru Sandaruwan
>>> Software Engineer,
>>> Cloud Team,
>>> WSO2 Inc., http://wso2.com
>>> lean.enterprise.middleware
>>>
>>> email: [email protected] cell: (+94) 773 325 954
>>> blog: http://lahiruwrites.blogspot.com/
>>> twitter: http://twitter.com/lahirus
>>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
>>> <http://wso2con.com/>
>>>
>>
>>
>>
>> --
>> __________________________________________________________________
>> Damitha Kumarage
>> Senior Technical Lead; WSO2 Inc.
>> Oxygenating the Web Service Platform
>> http://www.wso2.com/
>> blog:
>> http://damithakumarage.wordpress.com/
>> __________________________________________________________________
>
>
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