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Re: draft RFC: concept for partial, wal-based replication

From: Hans-Jürgen Schönig <postgres(at)cybertec(dot)at>
To: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: draft RFC: concept for partial, wal-based replication
Date: 2009-11-30 16:51:22
Message-ID: EAC5CB76-8A8A-4AE5-8294-1E48997DDD1A@cybertec.at (view raw or flat)
Thread:
Lists: pgsql-hackers
>
> Just a side note: in addition to its use for partial replication, this
> might have potential for performance-prioritizing databases or  
> tablespaces.



hello ...

this is an absolutely non-starter. the WAL is designed to be "hyper  
ordered" and hyper critical. once you fuck up order you will end up  
with a total disaster. WAL has to be applied in perfect order without  
skipping depending objects and so on. any concept which tries to get  
around those fundamental law is either broken.

	hans


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