| 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 |
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| 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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