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From Mahadev Konar <maha...@hortonworks.com>
Subject Re: Ambari support HA?
Date Tue, 03 Dec 2013 07:21:28 GMT
Hi Peter,
 Great to see that you are looking at HA for Ambari as such. Am sure
others will be interested in it as well. I would recommend creating a
jira and putting up a proposal (in a doc) and we can iterate over it
on the jira.

thanks
mahadev
Mahadev Konar
Hortonworks Inc.
http://hortonworks.com/


On Fri, Nov 29, 2013 at 11:21 PM, Shihaoliang (Shihaoliang)
<shihaoliang@huawei.com> wrote:
> Hi,
>
>
>
> Our team has a fork of ambari 1.4.1, we need ambari service to be HA.
>
> But seems currently not supported.
>
>
>
> Whether we can implement ambari HA like this
>
> 1)       Deploy 2 ambari-server with it database in 2 machine, say primary
> and backup;
>
> 2)       Sync data from primary database to backup database(using postgresql
> streaming sync) when have data updated.
>
> 3)       Use heartbeat between the 2 ambari-server to discover server_lost
> event, and make backup server to be primary; and the new backup server stop
> communicate with ambari-agent
>
> 4)       Each agent have 2 ambari-server’s address configurations(or
> negotiate from zookeeper?), once primary server changed, agent should
> register to new one.
>
> 5)       Backup webui can redirect page to primary one. GET method REST api
> can access both ambari-server
>
>
>
> My question
>
> a.       Can this works?
>
> b.       Any other information I need sync or restore other than information
> in database.
>
>
>
>
>
> Thanks.
>
> Peter Shi
>
>

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