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Re: Using postgres.log file for replication

From: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
To: ioanasoftware(at)yahoo(dot)ca
Cc: "Csaba Nagy" <nagy(at)ecircle-ag(dot)com>, "PostgreSQL General" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Using postgres.log file for replication
Date: 2008-11-27 18:53:37
Message-ID: dcc563d10811271053k2a898bdfoe792dc9676244312@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-general
Then you might wanna look at slony.  We use it and it's quite stable
and reliable, and if the slave can't keep up it's no big deal to the
master.

On Thu, Nov 27, 2008 at 11:33 AM, Ioana Danes <ioanasoftware(at)yahoo(dot)ca> wrote:
> Thanks for the tip Scott but am looking for an asynchronous replication that does not interfere with the performance of the application. Also I don't necessary need the latest changes to be applied right away. Even a day difference is enough...
>
> Thanks a lot,
> Ioana
> --- On Thu, 11/27/08, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
>
>> From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
>> Subject: Re: [GENERAL] Using postgres.log file for replication
>> To: ioanasoftware(at)yahoo(dot)ca
>> Cc: "Csaba Nagy" <nagy(at)ecircle-ag(dot)com>, "PostgreSQL General" <pgsql-general(at)postgresql(dot)org>
>> Received: Thursday, November 27, 2008, 12:34 PM
>> If you want the same thing in real time look into pgpool II
>>
>> On Thu, Nov 27, 2008 at 10:28 AM, Ioana Danes
>> <ioanasoftware(at)yahoo(dot)ca> wrote:
>> > I know there are some limitations abut it:
>> > - copy statements cannot be executed,
>> > - the use of now() function
>> > - even database restore scripts I don't want to be
>> replicated
>> > but these are not a problem for me because I don't
>> use them in the application...
>> >
>> >
>> >
>> > --- On Thu, 11/27/08, Csaba Nagy
>> <nagy(at)ecircle-ag(dot)com> wrote:
>> >
>> >> From: Csaba Nagy <nagy(at)ecircle-ag(dot)com>
>> >> Subject: Re: [GENERAL] Using postgres.log file for
>> replication
>> >> To: ioanasoftware(at)yahoo(dot)ca
>> >> Cc: "PostgreSQL General"
>> <pgsql-general(at)postgresql(dot)org>
>> >> Received: Thursday, November 27, 2008, 12:24 PM
>> >> On Thu, 2008-11-27 at 09:20 -0800, Ioana Danes
>> wrote:
>> >> > I've been wondering if anybody tried to
>> use the
>> >> postgresql csv log file to replicate sql
>> statements.
>> >> > I've been looking into it in the past
>> days and
>> >> after a brief testing it doesn't look bad at
>> all...
>> >>
>> >> Try to execute something like:
>> >>
>> >> UPDATE some_table SET some_timestamp_field =
>> now();
>> >>
>> >> The replica is now different than the master :-)
>> >>
>> >> Cheers,
>> >> Csaba.
>> >>
>> >>
>> >>
>> >> --
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