From: | "Greg Sabino Mullane" <greg(at)turnstep(dot)com> |
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To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: PostgreSQL HA config recommendations |
Date: | 2015-04-30 18:23:31 |
Message-ID: | a4c5de2c2bf3452082c92a550e0416e3@biglumber.com |
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Lists: | pgsql-general |
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> Bucardo and pg_pool are both based on the idea of replaying SQL
> statements instead of replicating actual data. They have their uses, but
> I personally distrust that idea, especially for DR.
Actually, Bucardo is very data-based, not statement at all. It stores up
a list of affected rows, then COPYs those from the source databases
to the target ones. It's particularly strong when you have large
delays and many updates to the same row.
- --
Greg Sabino Mullane greg(at)turnstep(dot)com
End Point Corporation http://www.endpoint.com/
PGP Key: 0x14964AC8 201504301422
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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