Re: Postgresql Replication High Availability

Hello Rodrigo,

Have you (or anyone else on this list) had great success with
Sequoia? I've been reading a bit about it. It looks like it might
work for us for a high-availability solution. Do you think it's just
as good as using p/cluster? We're deploying to Mac OS X Server and it
looks like p/cluster only supports Linux on x86.

Thanks,

____________________________________________________________________
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On Dec 2, 2005, at 8:32 PM, Rodrigo Hjort wrote:

> We're on the same situation.
>
> --> PGCluster
>
> Actualy, we installed and tested PGCluster on UML (User Mode Linux)
> environment and real distributed stations. There were a lot of
> critical issues on it! For example, once a user tries to connect to an
> unexisting database, the load balancer fails and needs to be
> restarted... Another: if closed by Ctrl+C, the postmaster starts in an
> infinite loop! We sent these problems to its User List, and we noted
> that there are other unsolved issues and a lot of patches not
> officially posted yet...
>
> One thing that made us afraid is that the project isn't updated since
> march of 2005!
> http://pgcluster.projects.postgresql.org/
>
> Too much risky to our critical mission database, we thought!
>
> --> ClusGres
>
> This application should be very promisor, if it weren't "vaporware"...
> http://www.linuxlabs.com/clusgres.html
>
> --> C-JDBC / Sequoia
>
> It looks like we're gonna stay with this solution, as I explained on a
> later e-mail.
>
> http://c-jdbc.objectweb.org/
> http://sequoia.continuent.org/
>
> ------
>
> Christopher wrote:
>
> I am currently looking into high availability solutions for
> Postgresql.
>
> I am designing system that should not have a single point of failure.
> I would like to at
> run-time Add new hardware and add them to my (cluster ) environment
> without shutting anything down.
>
> Please advise, Thanks
>
> #1. Is PGCluster production environment ready?
> #2. CJDBC.... has anyone used this in production environment with
> Postgresql?
> #3. Any other solutions viable for production environments?
>
> ------
>
> Regards,
>
> Rodrigo Hjort
>
> Linux User #348191 (http://counter.li.org)
>
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