Re: Off-site storage for PITR logs

Nicos Panayides wrote:
> Hi,
> I am planning an off-site backup solution for a fairly busy
> (mostly-write) 8.3 database. The database is currently about 200GB in
> size. I though about using log shipping and cold standby since it's easy
> in terms of administration and also offers point in time recovery.
>
> The database generates about 3 PITR log files per minute. If my
> calculations are correct the sites need to be connected with a 7MBit
> connection and the logs will need about 68GB of storage per day!
>
> Does anyone have any suggestions on how to significantly reduce the
> volume of log files or recommend another off-site backup solution that
> would require less bandwidth and storage?

I would use pg_lesslog to reduce the size of the WAL files:

http://pgfoundry.org/projects/pglesslog/

However, there is a bug in pg_lesslog so I wouldn't use it until that is
fixed:

http://archives.postgresql.org/pgsql-announce/2010-02/msg00005.php

Koichi, do you have any update on this? I don't see that a new version
has been uploaded, and I also see no mention on the pgfoundry site about
the bug.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

PG East: http://www.enterprisedb.com/community/nav-pg-east-2010.do