[GENERAL] Replication from Postgres to EDB

2009-07-24 Thread Jazz Johal
Hi Is it possible to setup replication from EDB to Postgres? Thanks

Re: [GENERAL] Replication from Postgres to EDB

2009-07-24 Thread Scott Mead
On Fri, Jul 24, 2009 at 6:31 AM, Jazz Johal johal.j...@googlemail.comwrote: Hi Is it possible to setup replication from EDB to Postgres? You can with slony. I recommend you contact supp...@enterprisedb.com for details. --Scott

Re: [GENERAL] Replication from Postgres to EDB

2009-07-24 Thread Joshua D. Drake
On Fri, 2009-07-24 at 11:31 +0100, Jazz Johal wrote: Hi Is it possible to setup replication from EDB to Postgres? Probably. Using Slony. As I understand it they explicitly keep backward compatibility. Joshua D. Drake Thanks -- PostgreSQL - XMPP:

Re: [GENERAL] replication in Postgres

2008-01-02 Thread Ow Mun Heng
On Mon, 2007-11-26 at 12:39 -0500, Chris Browne wrote: [EMAIL PROTECTED] (Jeff Larsen) writes: Unfortunately, the only way to make things deterministic (or to get from near real time to *GUARANTEED* real time) is to jump to synchronous replication, which is not much different from 2PC (Two

Re: [GENERAL] replication in Postgres

2007-11-27 Thread Sascha Bohnenkamp
Sorry, this makes no sense to me -- EnterpriseDB has no replication solution that I know of. slony is bundled with the database Postgres-r sounds very nice but moving our organisations data onto a system that it work in progress is very scary. You are already offloading your data to

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Jeff Larsen
Someone is working on extending the current system to allow read-only queries on a standby server [1], thus making it a hot standby, but this feature apparently won't be included until 8.4 [2]. My 2 cents... I would rather see someone working on true synchronous replication, rather than a

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Alvaro Herrera
Jeff Larsen escribió: Someone is working on extending the current system to allow read-only queries on a standby server [1], thus making it a hot standby, but this feature apparently won't be included until 8.4 [2]. My 2 cents... I would rather see someone working on true synchronous

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Alvaro Herrera
Glyn Astill wrote: Thanks everyone for your replies. EnterpriseDB looks like the way to go if we want good replication. Sorry, this makes no sense to me -- EnterpriseDB has no replication solution that I know of. Postgres-r sounds very nice but moving our organisations data onto a system

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Simon Riggs
On Mon, 2007-11-26 at 07:25 -0600, Jeff Larsen wrote: Someone is working on extending the current system to allow read-only queries on a standby server [1], thus making it a hot standby, but this feature apparently won't be included until 8.4 [2]. My 2 cents... I would rather see

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Thomas Kellerer
Alvaro Herrera, 26.11.2007 15:07: EnterpriseDB has no replication solution that I know of. Quote from http://www.enterprisedb.com/products/enterprisedb_replication.do EnterpriseDB Replication Server replicates data across the enterprise in near real time to meet a wide array of business

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Dave Page
Alvaro Herrera wrote: Glyn Astill wrote: Thanks everyone for your replies. EnterpriseDB looks like the way to go if we want good replication. Sorry, this makes no sense to me -- EnterpriseDB has no replication solution that I know of. Yeah, there is:

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Jeff Larsen
Alvaro Herrera wrote: Glyn Astill wrote: Thanks everyone for your replies. EnterpriseDB looks like the way to go if we want good replication. Sorry, this makes no sense to me -- EnterpriseDB has no replication solution that I know of. Yeah, there is:

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Vivek Khera
On Nov 26, 2007, at 10:14 AM, Jeff Larsen wrote: Yes, but I'd like something better than near real time as the above page describes. Or maybe someone could clarify that Besides, EnterpriseDB does not save me enough money. In my current commercial DB, if a transaction is committed on the

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Jeff Larsen
Yes, but I'd like something better than near real time as the above page describes. Or maybe someone could clarify that Besides, EnterpriseDB does not save me enough money. In my current commercial DB, if a transaction is committed on the master, it is guaranteed to be committed to

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Joshua D. Drake
Jeff Larsen wrote: Alvaro Herrera wrote: Glyn Astill wrote: Yes, but I'd like something better than near real time as the above page describes. Or maybe someone could clarify that Besides, EnterpriseDB does not save me enough money. Well do what EnterpriseDB does :) use Slony. Which is

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Chris Browne
[EMAIL PROTECTED] (Jeff Larsen) writes: Alvaro Herrera wrote: Glyn Astill wrote: Thanks everyone for your replies. EnterpriseDB looks like the way to go if we want good replication. Sorry, this makes no sense to me -- EnterpriseDB has no replication solution that I know of. Yeah,

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Glyn Astill
--- Alvaro Herrera [EMAIL PROTECTED] wrote: Glyn Astill wrote: Thanks everyone for your replies. EnterpriseDB looks like the way to go if we want good replication. Sorry, this makes no sense to me -- EnterpriseDB has no replication solution that I know of. This is bullsh*t, it does

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Joshua D. Drake
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mon, 26 Nov 2007 18:57:19 + (GMT) Glyn Astill [EMAIL PROTECTED] wrote: --- Alvaro Herrera [EMAIL PROTECTED] wrote: Glyn Astill wrote: Thanks everyone for your replies. EnterpriseDB looks like the way to go if we want good

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Glyn Astill
It it possible to get a system that does syncronous replication and also allows slaves to catch up if they're down for a period of time like you can with asyncronous? I'm just interested. Of course a grid or a clustwer is better to makesure all servers are in sync, but there's performance issues

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Alvaro Herrera
Glyn Astill escribió: It it possible to get a system that does syncronous replication and also allows slaves to catch up if they're down for a period of time like you can with asyncronous? Guess what, Postgres-R is designed to do that. Just for the record I'm a programmer, not a database

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Dave Page
--- Original Message --- From: Chris Browne [EMAIL PROTECTED] To: pgsql-general@postgresql.org Sent: 26/11/07, 17:39:42 Subject: Re: [GENERAL] replication in Postgres I believe that what they are using is a version of Slony-I, which certainly falls into the near real time

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Glyn Astill
Okay I'm relaxed ;-) honest. It does irritate me sometimes (my fault) when people post back comments as if they have knowledge on a subject when they don't though, if you don't know then keep quiet. All it does is confuse prople like me, who really don't know, and are reaching out for a little

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Scott Marlowe
On Nov 26, 2007 1:02 PM, Glyn Astill [EMAIL PROTECTED] wrote: It it possible to get a system that does syncronous replication and also allows slaves to catch up if they're down for a period of time like you can with asyncronous? Ummm, if one server falls behind, and the other keeps going,

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Andrew Sullivan
On Mon, Nov 26, 2007 at 07:02:35PM +, Glyn Astill wrote: It it possible to get a system that does syncronous replication and also allows slaves to catch up if they're down for a period of time like you can with asyncronous? This is what Postgres-R is intended to do. In order to get that

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Andrew Sullivan
On Mon, Nov 26, 2007 at 07:25:04AM -0600, Jeff Larsen wrote: My 2 cents... I would rather see someone working on true synchronous replication, It will cost more than US$0.02. But if you're willing to put up real money, there are people willing to put in the work. Or, if you're willing to

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Andrew Sullivan
On Mon, Nov 26, 2007 at 03:31:46PM +0100, Thomas Kellerer wrote: EnterpriseDB Replication Server replicates data across the enterprise in near real time to meet a wide array of business challenges. Data can Slony does this, except that it can't talk to Oracle. What's wrong with Slony? My

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Erik Jones
Since no one's mentioned it, and while I don't have any personal experience with it, I thought I'd mention the recently released Bucardo (http://bucardo.org/) as another Postgres replication option. Erik Jones Software Developer | Emma® [EMAIL PROTECTED] 800.595.4401 or 615.292.5888

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Joshua D. Drake
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mon, 26 Nov 2007 12:39:42 -0500 Chris Browne [EMAIL PROTECTED] wrote: Unfortunately, the only way to make things deterministic (or to get from near real time to *GUARANTEED* real time) is to jump to synchronous replication, which is not much

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Garber, Mikhail
So what is the state-of-the-art in the Postgresql world if I _do_ want synchronous replication? 2-phase commit from the client application? Any success/horror stories about doing it in Java? ---(end of broadcast)--- TIP 6: explain analyze is

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Scott Marlowe
On Nov 26, 2007 3:41 PM, Garber, Mikhail [EMAIL PROTECTED] wrote: So what is the state-of-the-art in the Postgresql world if I _do_ want synchronous replication? 2-phase commit from the client application? Any success/horror stories about doing it in Java? Depending on the restrictions

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Chris Browne
[EMAIL PROTECTED] (Erik Jones) writes: Since no one's mentioned it, and while I don't have any personal experience with it, I thought I'd mention the recently released Bucardo (http://bucardo.org/) as another Postgres replication option. It's Yet Another Asynchronous Replication System, ergo

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Chris Browne
[EMAIL PROTECTED] (Glyn Astill) writes: It it possible to get a system that does syncronous replication and also allows slaves to catch up if they're down for a period of time like you can with asyncronous? Well, a modal approach is possible - that's what Postgres-R tries to do. Of course,

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Erik Jones
On Nov 26, 2007, at 3:21 PM, Chris Browne wrote: [EMAIL PROTECTED] (Erik Jones) writes: Since no one's mentioned it, and while I don't have any personal experience with it, I thought I'd mention the recently released Bucardo (http://bucardo.org/) as another Postgres replication option. It's

Re: [GENERAL] replication in Postgres

2007-11-26 Thread Matt Magoffin
So what is the state-of-the-art in the Postgresql world if I _do_ want synchronous replication? 2-phase commit from the client application? Any success/horror stories about doing it in Java? For Java, you could check out Sequoia (http://sequoia.continuent.org/) or their commercial version

[GENERAL] replication in Postgres

2007-11-25 Thread Glyn Astill
Hi people, Does anyone here have replication setup? We're intending to move onto Postgres and I'm looking into the replication methods available to us. We intend to have a master and slave on site and another slave at our second site down a 10Mb line. So far the only methods I see would be

Re: [GENERAL] replication in Postgres

2007-11-25 Thread Alexander Staubo
On 11/25/07, Glyn Astill [EMAIL PROTECTED] wrote: So far the only methods I see would be usable for us are Slony I and WAL log shipping. WAL shipping probably does not work the way you think it does. The secondary server that receives the log pieces is not actually able to serve any queries; it

Re: [GENERAL] replication in Postgres

2007-11-25 Thread Simon Riggs
On Sun, 2007-11-25 at 23:38 +0100, Alexander Staubo wrote: On 11/25/07, Glyn Astill [EMAIL PROTECTED] wrote: So far the only methods I see would be usable for us are Slony I and WAL log shipping. WAL shipping probably does not work the way you think it does. The secondary server that

Re: [GENERAL] replication in Postgres

2007-11-25 Thread Simon Riggs
On Sun, 2007-11-25 at 22:18 +, Glyn Astill wrote: So far the only methods I see would be usable for us are Slony I and WAL log shipping. Does anyone here have a similar setup or any recommendations? This link may be of some use http://www.2ndquadrant.com/replication.html plus