Just for information.
In terms of archive compression, I have archive log compression which
will be found in http://pgfoundry.org/projects/pglesslog/
This feature is also included in NTT's synchronized log shipping
replication presented in the last PGCon.
2008/6/10 Greg Smith <gsmith@gregsmith.com>:
> On Mon, 9 Jun 2008, Tom Lane wrote:
>
>> It should also be pointed out that the whole thing becomes uninteresting
>> if we get real-time log shipping implemented. So I see absolutely no
>> point in spending time integrating pg_clearxlogtail now.
>
> There are remote replication scenarios over a WAN (mainly aimed at disaster
> recovery) that want to keep a fairly updated database without putting too
> much traffic over the link. People in that category really want zeroed
> tail+compressed archives, but probably not the extra overhead that comes
> with shipping smaller packets in a real-time implementation.
>
> --
> * Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD
>
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--
------
Koichi Suzuki
