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Re: Synchronous replication & Hot standby patches

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, jd(at)commandprompt(dot)com, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, "K, Niranjan (NSN - IN/Bangalore)" <niranjan(dot)k(at)nsn(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Synchronous replication & Hot standby patches
Date: 2009-02-25 20:45:18
Message-ID: 49A5ADDE.5050301@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-hackers
Robert Haas wrote:
> I think the more relevant question right now is whether the work Fujii
> Masao is planning to do for 8.5 is reponsive to the following comment
> from Heikki:
> 
> # IMHO, the synchronous replication isn't in such good shape, I'm
> afraid. I've said
> # this before, but I'm not happy with the "built from spare parts"
> nature of it. You
> # shouldn't have to configure an archive, file-based log shipping using rsync or
> # whatever, and pg_standby. All that is in addition to the direct
> connection between
> # master and slave. The slave really should be able to just connect to
> the master, and
> # download all the WAL it needs directly. That's a huge usability
> issue if left as is,
> # but requires very large architectural changes to fix.

I believe so, see second bullet point in:

http://archives.postgresql.org/message-id/3f0b79eb0902240751t13231593g17fbef70664d4444@mail.gmail.com

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

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Subject: Re: Synchronous replication & Hot standby patches
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Subject: Hot standby, running xacts, subtransactions

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