savanna-all team mailing list archive

[Dmitry Mescheryakov <dmescheryakov@xxxxxxxxxxxx>]

Hey Erik,

Some tables in "Savanna Deployment Engine Architecture" doc are flattened
out, see attached screenshot for example. Could you reassemble the PDF with
correct tables' sizes?

Thanks,

Dmitry


2013/4/30 Erik Bergenholtz <ebergenholtz@xxxxxxxxxxxxxxx>

> Team - yet another update. See
> https://wiki.openstack.org/w/images/9/97/Savanna_hadoop_host_group_mapping.pdf for
> a document illustrating how hadoop nodes get mapped to provisioned VMs.
>
> Erik
>
>
>
> On Apr 30, 2013, at 11:07 AM, Erik Bergenholtz <
> ebergenholtz@xxxxxxxxxxxxxxx> wrote:
>
> Team,  John has updated the below referenced documents with better
> descriptions of the flows (same links apply).
>
> Cheers,
>
> Erik
>
> On Apr 30, 2013, at 6:35 AM, Erik Bergenholtz <
> ebergenholtz@xxxxxxxxxxxxxxx> wrote:
>
> Team,
>
> Below are a few documents intended to describe only a slightly modified
> approach to hadoop provider integration into Savanna (see existing
> blueprint in draft:
> https://blueprints.launchpad.net/savanna/+spec/pluggable-cluster-provisioning). These
> documents should not be considered a blueprint, but a vehicle for
> continuing discussion on the topic.
>
> To summarize there are two changes to note:
>
> 1. There is some IoC introduced into the design allowing hadoop plugin
> providers flexibility to integrate into Savanna while reducing the burden
> on the Savanna controller itself. This differs from the current approach of
> the controller invoking APIs on the provider at specific lifecycle points.
>
> 2. Attempts have been made to keep normalization of management APIs across
> providers at a minimum at the controller level. Our view is that existing
> Hadoop users are already familiar with their Hadoop distribution management
> API (CDH, Ambari, MapR etc.) and as such would want to leverage existing
> investments vs. learning a new management API specific to Savanna. This
> eases adoption and lowers the barrier of entry of adoption of Hadoop on
> OpenStack.
>
> Documents to review:
>
> Savanna Deployment Engine Architecture<https://wiki.openstack.org/w/images/5/5e/Savanna_Deployment_Engine_Architecture.pdf> -
> Puts forth the architecture of the deployment engine
> Savanna_add_hosts_flow<https://wiki.openstack.org/w/images/d/dc/Savanna_add_hosts_flow.pdf> -
> Describes sequence of steps executed in order to add a host to an existing
> Hadoop Cluster
> Savanna_create_cluster_flow<https://wiki.openstack.org/w/images/0/0f/Savanna_create_cluster_flow.pdf> -
> Describes the sequence of steps executed in order to create a new cluster
> Savanna_invoke_provider_rest_api_flow<https://wiki.openstack.org/w/images/a/a6/Savanna_invoke_provider_rest_api_flow.pdf> -
> Describes the sequence of steps executed in a REST request by the provider
> plugin on the controller.
>
> Please review at your earliest convenience and let us know your feedback.
>
> Best,
>
> Jon Maron, John Speidel and Erik Bergenholtz
>
>
>
>
>
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