| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
| Cc: | Jerry Richards <jerry(dot)richards(at)teotech(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Does Version 9.1 Streaming Replication Supports Multi-Master? |
| Date: | 2012-01-18 23:06:21 |
| Message-ID: | CA+U5nM+t0X469mCiDExiZhgg3rQK_AVObfZ08eQJEBoCbT6Hzw@mail.gmail.com |
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| Lists: | pgsql-general |
On Tue, Jan 17, 2012 at 6:33 PM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> On Wed, Jan 18, 2012 at 3:09 AM, Jerry Richards
> <jerry(dot)richards(at)teotech(dot)com> wrote:
>> I know PostgreSQL version 9.1 supports built-in streaming replication.
>> Just wondering if that supports only a single-master or also multi-master
>> implementation?
>
> Only a single-master. If you want a multi-master solution, see Postgres-XC.
Postgres-XC doesn't support multi-site disaster recovery.
Oracle RAC recommends the use of Data Guard as well. Does Postgres-XC
support streaming replication for replay on another Postgres-XC
cluster? If so, you have been a busy bee.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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