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Re: Does Version 9.1 Streaming Replication Supports Multi-Master? - Mailing list pgsql-general

From John R Pierce
Subject Re: Does Version 9.1 Streaming Replication Supports Multi-Master?
Date
Msg-id 4F15D7AF.9000302@hogranch.com
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In response to Does Version 9.1 Streaming Replication Supports Multi-Master?  (Jerry Richards <jerry.richards@teotech.com>)
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On 01/17/12 12:10 PM, Jerry Richards 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?
>

master -> readonly slave only.

Master-Master replication is a giant can of worms, with thorny issues of
conflict resolution that can't be resolved in a general case without
massive performance impacts.





--
john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast

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