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From chris snow <chsnow...@gmail.com>
Subject Re: partition information
Date Mon, 31 Mar 2014 08:55:34 GMT
Looks great - thank you!


On Mon, Mar 31, 2014 at 9:03 AM, Mariangela Hills <mariangela@wso2.com>wrote:

> Hi Chris,
>
> Thanks for asking such valuable questions. Your questions together with
> the answers given are really helpful to enrich the Apache Stratos wiki
> content.
>
> Based on Lahiru's and Udara's replies to your questions I wrote up a small
> description for Partitions [1]. Please note that page [1] is still work in
> progress, so I have hidden it in the navigation bar and also that I have
> only completed the section with regard to partitions.
>
> @all - Please let me know whether more information can be added to the
> write-up on partitions [1], so that it can be enriched.
>
> [1]
> https://cwiki.apache.org/confluence/display/STRATOS/4.0.0+Overview+on+Stratos+Configurations#id-4.0.0OverviewonStratosConfigurations-Partitions
>
> Regards,
> Mariangela
>
>
>
>
> *--*
> Mariangela Hills
> Senior Technical Writer
>
> *WSO2, Inc.*lean.enterprise.middleware.
> m: +94 773 500185
> w: http://wso2.com
>  <http://wso2.com/events/>
>
>
> On Fri, Mar 28, 2014 at 8:01 PM, Udara Liyanage <udara@wso2.com> wrote:
>
>> Hi Chris,
>>
>> By defining multiple partitions you can ask Stratos to spawn instances in
>> multiple areas(region, zone or rack as Lahiru mentioned). This is needed if
>> you need high availability. For instance if you spawn instances in multiple
>> availability zones in EC2, your system is still functional even if one
>> availability zone is down.
>>
>> Note that you can define multiple partition groups each having multiple
>> partitions under it.
>>
>>
>>
>> Touched, not typed. Erroneous words are a feature, not a typo.
>> On Mar 28, 2014 10:51 AM, "chris snow" <chsnow123@gmail.com> wrote:
>>
>>> Thanks Lahiru!
>>>
>>> On Thu, Mar 27, 2014 at 9:00 PM, Lahiru Sandaruwan <lahirus@wso2.com>
>>> wrote:
>>> > Hi Chris,
>>> >
>>> > Find my answers,
>>> >
>>> >
>>> > On Thu, Mar 27, 2014 at 1:03 PM, chris snow <chsnow123@gmail.com>
>>> wrote:
>>> >>
>>> >> I'm working through the wiki user guide [1], and the first step is
>>> >> setting up the partitions.  There is also a link to a sample partition
>>> >> [2].
>>> >>
>>> >> However, the is little background inforrmation on partitions, e.g.
>>> >>
>>> >> - what are partitions?
>>> >
>>> >
>>> > A portion of an IaaS which can be defined by any separation that an
>>> IaaS
>>> > has.
>>> >
>>> > E.g. Zone, Rack, etc.
>>> >
>>> > We have to mention about partition groups here. Partition groups are
>>> also
>>> > known as "network partitions". As the name implies, this is the an
>>> area of
>>> > an IaaS that is bound by one network of an IaaS. We can include several
>>> > paritions inside a network partition.
>>> >
>>> > E.g. Region
>>> >
>>> >>
>>> >> - how are partitions used by stratos?
>>> >
>>> >
>>> > We can define partition in stratos to manage the instance count. You
>>> can
>>> > define min and max for that. We can select to use round-robin or
>>> > one-after-another algorithms when scaling happens among several
>>> partitions.
>>> >
>>> >> - how do I design my partitions for my PaaS?
>>> >>
>>> >
>>> > Previous answer had some clues. Your definition point of your PaaS is
>>> the
>>> > deployment policy. There, you can organize your partitions and
>>> partition
>>> > groups(network partitions) as you want.
>>> >
>>> > Let me know if you need further information.
>>> >
>>> > Thanks.
>>> >>
>>> >> Shall I raise this as a defect in JIRA?   Alternatively, I can update
>>> >> the wiki, if someone can email me the answers to the above questions.
>>> >> How do I get wiki access?
>>> >>
>>> >> Many thanks,
>>> >>
>>> >> Chris
>>> >>
>>> >> ---
>>> >> [1]
>>> >>
>>> https://cwiki.apache.org/confluence/display/STRATOS/4.0.0+Configuring+Stratos
>>> >> [2]
>>> >>
>>> https://cwiki.apache.org/confluence/display/STRATOS/4.0.0+Sample+Partition+Definition
>>> >
>>> >
>>> >
>>> >
>>> > --
>>> > --
>>> > Lahiru Sandaruwan
>>> > Software Engineer,
>>> > Platform Technologies,
>>> > WSO2 Inc., http://wso2.com
>>> > lean.enterprise.middleware
>>> >
>>> > email: lahirus@wso2.com 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
>>> >
>>>
>>>
>>>
>>> --
>>> Check out my professional profile and connect with me on LinkedIn.
>>> http://lnkd.in/cw5k69
>>>
>>
>


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Check out my professional profile and connect with me on LinkedIn.
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