From: | Jasen Betts <jasen(at)xnet(dot)co(dot)nz> |
---|---|
To: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: backup and restore |
Date: | 2009-05-09 11:05:59 |
Message-ID: | gu3o2n$n0$2@reversiblemaps.ath.cx |
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Thread: | |
Lists: | pgsql-sql |
On 2009-05-08, Jyoti Seth <jyotiseth2001(at)gmail(dot)com> wrote:
> Hello,
>
> I have two databases db1 and db2 with the same database structure on
> different systems with no network connection. In the first system with the
> db1 database user updates the master data. At the end of every day, the user
> needs to take the backup of updated data of master tables on db1 and update
> the data on another system with db2 database.
>
> We can't use WAL as in this as we want to take incremental backup of few
> tables only and can't use slony as there is no network connection between
> the systems.
>
> Please suggest some solution.
some sort of diff?
dump the tables you are interested in in a known order
(perhaps use "copy from select .... order by .... " )
compare it with yesterdays
ship the differences.
dump the table at the remote end
apply the patch
truncate the table and load the patched version.
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