From: | Ted Shab <tshab(at)yahoo(dot)com> |
---|---|
To: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, nd02tsk(at)student(dot)hig(dot)se |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Level of replication support? |
Date: | 2004-10-13 18:23:49 |
Message-ID: | 20041013182349.91022.qmail@web41001.mail.yahoo.com |
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Thread: | |
Lists: | pgsql-general |
Here is a good overview.
http://jeremy.zawodny.com/blog/archives/000846.html
Note that http://pgreplicator.sourceforge.net/ is a
multi-master solution using TCL. Despite the dire
home page, it is "actively" supported. However, our
experience with it was that it was not industrial
strenght. We aren't TCL experts though, so maybe that
would have helped.
--Ted
--- "Joshua D. Drake" <jd(at)commandprompt(dot)com> wrote:
> Hello,
>
> There are two heavily supported and active
> replication projects.
>
> 1. Slony - http://www.slony.info
> 2. Mammoth Replicator -
> http://www.commandprompt.com/
>
> Slony is Open Source and uses triggers and a
> replication schema to
> replicate data.
>
> Mammoth Replicator is commercial and uses a
> transaction log and a master
> control process to replicate data.
>
> Slony replicates data every (10?) transactions.
> Mammoth Replicator replicates every transaction.
>
> Mammoth is older than Slony and backed by my company
> Command Prompt, Inc.
>
> Neither is slated to be "integrated" with PostgreSQL
> as they are both
> good products that serve different purposes.
>
> Sincerely,
>
> Joshua D. Drake
>
>
> nd02tsk(at)student(dot)hig(dot)se wrote:
> > Hello
> >
> > I am going to do a comparison betweem PgSQL and
> MySQL replication system.
> >
> > I hear there are some replication projects
> available for PgSQL. Which are
> > still active and serious, because I hear that some
> are not active or
> > incomplete?
> >
> > Will any of these projects be merged with PgSQL
> soon?
> >
> > I appreciate all information.
> >
> > Thank you.
> >
> > Tim
> >
> >
> >
> > ---------------------------(end of
> broadcast)---------------------------
> > TIP 5: Have you checked our extensive FAQ?
> >
> >
> http://www.postgresql.org/docs/faqs/FAQ.html
>
>
> --
> Command Prompt, Inc., home of PostgreSQL
> Replication, and plPHP.
> Postgresql support, programming shared hosting and
> dedicated hosting.
> +1-503-667-4564 - jd(at)commandprompt(dot)com -
> http://www.commandprompt.com
> Mammoth PostgreSQL Replicator. Integrated
> Replication for PostgreSQL
> > begin:vcard
> fn:Joshua D. Drake
> n:Drake;Joshua D.
> org:Command Prompt, Inc.
> adr:;;PO Box 215;Cascade Locks;Oregon;97014;USA
> email;internet:jd(at)commandprompt(dot)com
> title:Consultant
> tel;work:503-667-4564
> tel;fax:503-210-0334
> note:Command Prompt, Inc. is the largest and oldest
> US based commercial PostgreSQL support provider. We
> provide the only commercially viable integrated
> PostgreSQL replication solution, but also custom
> programming, and support. We authored the book
> Practical PostgreSQL, the procedural language plPHP,
> and adding trigger capability to plPerl.
> x-mozilla-html:FALSE
> url:http://www.commandprompt.com/
> version:2.1
> end:vcard
>
> >
> ---------------------------(end of
> broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
>
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