| From: | Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com> |
|---|---|
| To: | Greg Sabino Mullane <greg(at)turnstep(dot)com>, <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: PostgreSQL HA config recommendations |
| Date: | 2015-05-04 20:11:21 |
| Message-ID: | 5547D269.6000002@BlueTreble.com |
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| Lists: | pgsql-general |
On 4/30/15 1:23 PM, Greg Sabino Mullane wrote:
>> 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.
Doh! My apologies.
--
Jim Nasby, Data Architect, Blue Treble Consulting
Data in Trouble? Get it in Treble! http://BlueTreble.com
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