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
Views: Raw Message | Whole Thread | Download mbox | Resend email
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.
>> >>
>> >>
>> >>
>> >> --
>> >> Sent via pgsql-general mailing list
>> >> (pgsql-general(at)postgresql(dot)org)
>> >> To make changes to your subscription:
>> >> http://www.postgresql.org/mailpref/pgsql-general
>> >
>> >
>> >
>> __________________________________________________________________
>> > Yahoo! Canada Toolbar: Search from anywhere on the
>> web, and bookmark your favourite sites. Download it now at
>> > http://ca.toolbar.yahoo.com.
>> >
>> >
>> > --
>> > Sent via pgsql-general mailing list
>> (pgsql-general(at)postgresql(dot)org)
>> > To make changes to your subscription:
>> > http://www.postgresql.org/mailpref/pgsql-general
>> >
>>
>>
>>
>> --
>> When fascism comes to America, it will be draped in a flag
>> and
>> carrying a cross - Sinclair Lewis
>>
>> --
>> Sent via pgsql-general mailing list
>> (pgsql-general(at)postgresql(dot)org)
>> To make changes to your subscription:
>> http://www.postgresql.org/mailpref/pgsql-general
>
>
> __________________________________________________________________
> Instant Messaging, free SMS, sharing photos and more... Try the new Yahoo! Canada Messenger at http://ca.beta.messenger.yahoo.com/
>
>

--
When fascism comes to America, it will be draped in a flag and
carrying a cross - Sinclair Lewis

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Andrus 2008-11-27 19:20:16 Expected password response, got message type 88
Previous Message Ioana Danes 2008-11-27 18:33:13 Re: Using postgres.log file for replication