On 12/17/2015 07:56 AM, Will McCormick wrote:
Thanks a ton for the prompt response.
I've read most of this but some it was not clear until we discussed.
See here for more detail: WLM: Reading now :)
While reading I would suggest having the postgres.conf files on the
master and the
Thanks for the great assistance
On Thu, Dec 17, 2015 at 11:27 AM, Adrian Klaver
wrote:
> On 12/17/2015 07:56 AM, Will McCormick wrote:
>
>> Thanks a ton for the prompt response.
>>
>> I've read most of this but some it was not clear until we discussed.
>>
>> Updated
Hi Will,
On 12/17/15 10:17 AM, Will McCormick wrote:
> I inherited a 9.1 replication environment
>
> Few basic questions that I can't find clear answers / clarifications for
> if possible:
>
> 3 types of replication in 9.1 I've read about from the offical docs:
>
> 1) warm standby
This is a
I inherited a 9.1 replication environment
Few basic questions that I can't find clear answers / clarifications for if
possible:
3 types of replication in 9.1 I've read about from the offical docs:
1) warm standby
2) hot standby
3) streaming replication
I'm using streaming replication I
On 12/17/2015 07:56 AM, Will McCormick wrote:
Thanks a ton for the prompt response.
I've read most of this but some it was not clear until we discussed.
Updated with WLM:
On 12/17/2015 07:17 AM, Will McCormick wrote:
I inherited a 9.1 replication environment
Few basic questions that
Almost forgot this:
SELECT pg_current_xlog_location();
ERROR: recovery is in progress
HINT: WAL control functions cannot be executed during recovery.
bms=> SELECT pg_current_xlog_location();
ERROR: recovery is in progress
HINT: WAL control functions cannot be executed during recovery.
On 12/17/2015 07:17 AM, Will McCormick wrote:
I inherited a 9.1 replication environment
Few basic questions that I can't find clear answers / clarifications for
if possible:
3 types of replication in 9.1 I've read about from the offical docs:
1) warm standby
2) hot standby
3) streaming
Thanks a ton for the prompt response.
I've read most of this but some it was not clear until we discussed.
Updated with WLM:
On 12/17/2015 07:17 AM, Will McCormick wrote:
>
> I inherited a 9.1 replication environment
>
> Few basic questions that I can't find clear answers / clarifications for
>
On 12/17/2015 08:43 AM, Will McCormick wrote:
Almost forgot this:
SELECT pg_current_xlog_location();
I was not paying attention earlier that should be:
pg_last_xlog_receive_location()
from:
http://www.postgresql.org/docs/9.1/interactive/functions-admin.html
Table 9-58. Recovery
Gustav Potgieter wrote:
Hope you can assist and that I am posting to the right forum.
Sending the question twice with the same wording does not
make it clearer...
We currently have multiple Postgresql 9 instances running with warm
standby, and the replication work
wonderfully.
The problem
Hi All,
Hope you can assist and that I am posting to the right forum.
We currently have multiple Postgresql 9 instances running with warm standby,
and the replication work wonderfully.
The problem is the following, we take the slave database out of recovery and it
works perfectly, but when we
Hi All,
Hope you can assist and that I am posting to the right forum.
We currently have multiple Postgresql 9 instances running with warm standby,
and the replication work wonderfully.
The problem is the following, we take the slave database out of recovery and it
works perfectly, but when we
I am doing POC on Posgtresql replication. I am using latest version of
postgresql i.e. 9.1. There are multiple replication solutions avaliable in
the market (PGCluster, Pgpool-II, Slony-I). Postgresql also provide
in-built replication solutions (Streaming replication, Warm Standby and hot
Hello,
in general my advice would be to stick with native features, therefore
use either Streaming Replication (or alternatively log shipping
replication). You might need some tools to help you manage the cluster,
clients routing and balancing but I suggest you look into this later.
On Thu,
On Mar 25, 2008, at 4:28 PM, Jeff Davis wrote:
This obviously does not work in real time, but it may be useful. It
does
not require a lot of additional space to do this because of the ZFS
copy-on-write implementation.
But what benefit does it give you if you're pounding on the same set
of
On Tue, 2008-03-25 at 17:53 -0600, Keaton Adams wrote:
That is an interesting question. If our organization were to help fund the
development of such a feature, would that be something taken into
consideration by the development team?
Yes. Many of my major projects have been funded that way.
Our organization is looking for a hot-standby option for PostgreSQL that
uses the WAL (transaction) data to keep the standby current and also allows
the standby to be read-only accessible for reporting. We have implemented
WAL shipping through a set of scripts we developed and that works well to
Le mercredi 26 mars 2008, Greg Smith a écrit :
(My favorite acronym is TLA)
Hehe :)
I'd vote for A...
--
dim
signature.asc
Description: This is a digitally signed message part.
On Wed, Mar 26, 2008 at 01:03:34AM -0400, Greg Smith wrote:
against. People who are using the current warm-standby code are already
grappling with issues like how to coordinate master/slave failover
(including my second favorite acronym, STONITH for shoot the other node
in the head). I
[EMAIL PROTECTED] (Keaton Adams) writes:
That is an interesting question. If our organization were to help fund the
development of such a feature, would that be something taken into
consideration by the development team?
I seem to recall there being a relevant Google Summer of Code project
Chris Browne wrote:
I seem to recall there being a relevant Google Summer of Code project
about this, last year.
I do not recall how far it got. It obviously didn't make it into 8.3
;-)!
Some parts of it did -- for example we got read-only transactions
which were a step towards that goal.
Our organization is looking for a hot-standby option for PostgreSQL that
uses the WAL (transaction) data to keep the standby current and also allows
the standby to be read-only accessible for reporting. We have implemented
WAL shipping through a set of scripts we developed and that works well to
Keaton Adams wrote:
Our organization is looking for a hot-standby option for PostgreSQL that
uses the WAL (transaction) data to keep the standby current and also allows
the standby to be read-only accessible for reporting. We have implemented
WAL shipping through a set of scripts we developed
On Tue, Mar 25, 2008 at 1:17 PM, salman [EMAIL PROTECTED] wrote:
IIRC, it was mentioned previously in one posting that this a TODO for a
future version of postgres but not something that's expected soon.
Someone please correct me if I'm wrong.
This is what I saw on the TODO list:
Write-Ahead
But will that stand-by replication provide for a read-only slave?
On 3/25/08 2:26 PM, Richard Broersma [EMAIL PROTECTED] wrote:
On Tue, Mar 25, 2008 at 1:17 PM, salman [EMAIL PROTECTED] wrote:
IIRC, it was mentioned previously in one posting that this a TODO for a
future version of postgres
On Tue, 2008-03-25 at 14:11 -0600, Keaton Adams wrote:
“All queries reading from the physical replica execute in real-time,
and return current results. A Data Guard configuration consists of
one production (or primary) database and up to nine standby
databases. A standby database is
It is close, but has limitations that will be problematic for our
environment, such as:
Replicator will not replicate the schema. You must restore your schema to th
e slaves from the master before you begin replication.
Replicator can only replicate one database. If you have multiple databases
On Tue, 2008-03-25 at 14:11 -0600, Keaton Adams wrote:
“Oracle Active Data Guard enables a physical standby database to be
open for read-only access – for reporting, simple or complex queries –
while changes from the production database are being applied to it.
This means any operation that
On Tue, Mar 25, 2008 at 3:08 PM, Simon Riggs [EMAIL PROTECTED] wrote:
On Tue, 2008-03-25 at 14:11 -0600, Keaton Adams wrote:
Some funding would help that move forwards. If you or others would
consider that, it would help, even if just to provide the seed for
additional contributors.
That is
On Tue, Mar 25, 2008 at 1:11 PM, Keaton Adams [EMAIL PROTECTED] wrote:
Our organization is looking for a hot-standby option for PostgreSQL that
uses the WAL (transaction) data to keep the standby current and also allows
the standby to be read-only accessible for reporting. We have implemented
That is an interesting question. If our organization were to help fund the
development of such a feature, would that be something taken into
consideration by the development team?
-Keaton
On 3/25/08 4:32 PM, Richard Broersma [EMAIL PROTECTED] wrote:
On Tue, Mar 25, 2008 at 3:08 PM, Simon
Similar case has been already happened.
For example, I have propsed to implement WITH RECURSIVE clause and the
work is supported by Sumitomo Electric Information Systems Co.,
Ltd. (http://www.sei-info.co.jp/) and SRA OSS, Inc. Japan
(http://www.sraoss.co.jp).
--
Tatsuo Ishii
SRA OSS, Inc. Japan
, 2008 4:29 PM
To: Richard Broersma; salman
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] PostgreSQL Replication with read-only access to
standby DB
But will that stand-by replication provide for a read-only slave?
On 3/25/08 2:26 PM, Richard Broersma [EMAIL PROTECTED] wrote:
On Tue
On Tue, 25 Mar 2008, Jonathan Bond-Caron wrote:
I know very little about postgreSQL internals but it would be great if:
- WAL files could be applied while the standby server is operational / allow
read-only queries
This is the part that requires modifying PostgreSQL, and that progress was
Sounds like something you'd want to handle within the application
I believe i will try to follow this path.
---(end of broadcast)---
TIP 6: explain analyze is your friend
On Sat, Jul 07, 2007 at 05:16:56AM -0700, Gabriele wrote:
Let's have a server which feed data to multiple slaves, usually using
direct online connections. Now, we may want to allow those client to
sync the data to a local replica, work offline and then resync the
data back to the server. Which
On 07.07.2007, at 06:16, Gabriele wrote:
Let's have a server which feed data to multiple slaves, usually using
direct online connections. Now, we may want to allow those client to
sync the data to a local replica, work offline and then resync the
data back to the server. Which is the easiest
On Saturday 07 July 2007 14.16:56 Gabriele wrote:
I know this is a delicate topic which must be approached cautiously.
Let's have a server which feed data to multiple slaves, usually using
direct online connections. Now, we may want to allow those client to
sync the data to a local replica,
I know this is a delicate topic which must be approached cautiously.
Let's have a server which feed data to multiple slaves, usually using
direct online connections. Now, we may want to allow those client to
sync the data to a local replica, work offline and then resync the
data back to the
On 5/2/07, Jamie Deppeler [EMAIL PROTECTED] wrote:
You might want to check pgcluster out
http://pgcluster.projects.postgresql.org/ witch does both.
That page will give you the impression that this project is dead and
abandoned -- the last update is from early 2005. PGCluster does seem
to be
Alexander Staubo wrote:
On 5/2/07, Jamie Deppeler [EMAIL PROTECTED] wrote:
You might want to check pgcluster out
http://pgcluster.projects.postgresql.org/ witch does both.
That page will give you the impression that this project is dead and
abandoned -- the last update is from early 2005.
On 5/2/07, Alvaro Herrera [EMAIL PROTECTED] wrote:
Alexander Staubo wrote:
On 5/2/07, Jamie Deppeler [EMAIL PROTECTED] wrote:
You might want to check pgcluster out
http://pgcluster.projects.postgresql.org/ witch does both.
That page will give you the impression that this project is dead and
Alexander Staubo wrote:
On 5/2/07, Alvaro Herrera [EMAIL PROTECTED] wrote:
Alexander Staubo wrote:
On 5/2/07, Jamie Deppeler [EMAIL PROTECTED] wrote:
You might want to check pgcluster out
http://pgcluster.projects.postgresql.org/ witch does both.
That page will give you the impression
On 5/2/07, Alvaro Herrera [EMAIL PROTECTED] wrote:
They're different pages. The first one is horribly out of date;
unfortunately, it is (for me) the first hit on Google, whereas the
PgFoundry project page is the third.
Sure, they are different pages, but the first one is supposed to be
Alexander Staubo wrote:
On 5/2/07, Alvaro Herrera [EMAIL PROTECTED] wrote:
They're different pages. The first one is horribly out of date;
unfortunately, it is (for me) the first hit on Google, whereas the
PgFoundry project page is the third.
Sure, they are different pages, but the first
Hello,
We're building database system with replication. Slony-I seems to be a quite
good solution for the replication, but beside the replication
(master-to-multiple slaves), we need load balancing aswell - multiple users
will access the database at the same time=multiple queries.
Is Slony-I
On 5/1/07, Jan Bilek [EMAIL PROTECTED] wrote:
Is Slony-I capable of load balancing and how to set it up? We searched the
web and some people mentioned that Slony-I could do load balancing, but
haven't found how to make Slony-I to do it.
Slony does not do load balancing. Personally, I recommend
On 5/1/07, Jan Bilek [EMAIL PROTECTED] wrote:
Is Slony-I capable of load balancing and how to set it up? We searched
the
web and some people mentioned that Slony-I could do load balancing, but
haven't found how to make Slony-I to do it.
Slony does not do load balancing. Personally, I
Alexander Staubo wrote:
On 5/1/07, Jan Bilek [EMAIL PROTECTED] wrote:
Is Slony-I capable of load balancing and how to set it up? We
searched the
web and some people mentioned that Slony-I could do load balancing, but
haven't found how to make Slony-I to do it.
You might want to check
Nareen S wrote:
Current Setup
I am having a Mailserver running on Postfix.For the same I had configured a
High Availability Solution using Heartbeat and DRBD for
replication.Thesetup is like Primary/Secondary Node Servers and all
mails are replicated to
secondary using DRBD.If primary server
Richard Huxton dev@archonet.com wrote:
Nareen S wrote:
Current Setup
I am having a Mailserver running on Postfix.For the same I had configured a
High Availability Solution using Heartbeat and DRBD for
replication.Thesetup is like Primary/Secondary Node Servers and all
mails are replicated
Current Setup
I am having a Mailserver running on Postfix.For the same I had
configured a High Availability Solution using Heartbeat and DRBD
for replication.The setup is like Primary/Secondary Node Servers and
all mails are replicated to secondary using DRBD.If primary server
fails secondary
On Thu, Aug 25, 2005 at 01:44:15PM +0200, Bohdan Linda wrote:
there are some other db solutions which have good performance when doing
this kind of replication across the world.
Bluntly, No.
--
Andrew Sullivan | [EMAIL PROTECTED]
Information security isn't a technological problem. It's an
On Wed, Aug 24, 2005 at 11:54:42AM -0400, Chris Browne wrote:
There is a Slony-II project ongoing that is trying to construct a
more-or-less synchronous multimaster replication system (where part of
the cleverness involves trying to get as much taking place in an
asynchronous fashion as
Chris Travers wrote:
1) Efficiency of network throughput
2) Tolerance to attempts at repeat transactions before replication
(emptying an account multiple times)
3) Availability of a transaction.
We ended up having to give up #1. It's possible to have our transactions
routed to multiple
William Yu wrote:
Chris Travers wrote:
1) Efficiency of network throughput
2) Tolerance to attempts at repeat transactions before replication
(emptying an account multiple times)
3) Availability of a transaction.
We ended up having to give up #1. It's possible to have our
Our own personal IM :)
Chris Travers wrote:
The delay will by definition defeat any guarantee of financial integrity
if you are allowing read-write operations to the replica without
checking with some sort of central authority. At very least, the
central authority should look for suspicious
William Yu [EMAIL PROTECTED] writes:
Chris Browne wrote:
I'm pretty sure that they _don't_ track balance updates for each
transaction that applies to a customer's account. You could, via one
form of trickery or another, overdraw your account by a fairly hefty
amount, and they probably won't
Chris Travers wrote:
Why not have the people who have rights to review this all write to the
master database and have that replicated back? It seems like latency is
not really an issue. Replication here is only going to complicate
What master database? Having a single master defeats the
William Yu wrote:
This system sounds ok for documents and general data that can always
be revived via version control/history. But I can't see how this would
work for financial transactions where you're dealing with money and
bank accounts. Suppose I have $100 in my account. I decided to
Hi,
I´mthinking to test your suggestion, basically because there are only few sites to connect, but there are some points that aren´t very clear to me.
My doubts:
1. How to make a view updatable? Using the rule system?
1. Why are insertshandled differently from updates?
2. Can not I use the
[EMAIL PROTECTED] (Chris Travers) writes:
William Yu wrote:
This system sounds ok for documents and general data that can
always be revived via version control/history. But I can't see how
this would work for financial transactions where you're dealing
with money and bank accounts. Suppose I
William Yu wrote:
Chris Travers wrote:
Why not have the people who have rights to review this all write to
the master database and have that replicated back? It seems like
latency is not really an issue. Replication here is only going to
complicate
What master database? Having a
On Thu, 2005-08-25 at 17:45 -0700, Jeff Davis wrote:
The replicator surely is not optional, and must be centralized.
From http://pgcluster.projects.postgresql.org/1_3/index.html:
Several replication server can be set up. When an problem occurs at the
replication server, Cluster DB automatically
Chris Travers wrote:
I guess I am thinking along different lines than you. I was thinking
that the simplest solution would be to have master/slave replication for
*approved* transactions only and no replication for initial commits
prior to approval. This makes the assumption that a single
William Yu wrote:
Chris Travers wrote:
I guess I am thinking along different lines than you. I was thinking
that the simplest solution would be to have master/slave replication
for *approved* transactions only and no replication for initial
commits prior to approval. This makes the
Carlos Henrique Reimer wrote:
I read some documents about replication and realized that if you plan
on using asynchronous replication, your application should be designed
from the outset with that in mind because asynchronous replication is
not something that can be easily “added on” after
It provides pseudo relief if all your servers are in the same building.
Having a front-end pgpool connector pointing to servers across the world
is not workable -- performance ends up being completely decrepit due to
the high latency.
Which is the problem we face. Great, you've got multiple
I would have a slight offtopic question, this is issue only of pgsql or
there are some other db solutions which have good performance when doing
this kind of replication across the world.
Regards,
Bohdan
On Thu, Aug 25, 2005 at 09:01:49AM +0200, William Yu wrote:
It provides pseudo relief if
Bohdan Linda schrieb:
I would have a slight offtopic question, this is issue only of pgsql or
there are some other db solutions which have good performance when doing
this kind of replication across the world.
it depends entirely on your application. There is no one size
fits all
For example
As far as I know, nobody has a generic solution for multi-master
replication where servers are not in close proximity. Single master
replication? Doable. Application specific conflict resolution? Doable.
Off the shelf package that somehow knows financial transactions on a
server shouldn't be
Another tidbit I'd like to add. What has helped a lot in implementing
high-latency master-master replication writing our software with a
business process model in mind where data is not posted directly to the
final tables. Instead, users are generally allowed to enter anything --
could be
Tino Wildenhain wrote:
Which is the problem we face. Great, you've got multiple servers for
failover. Too bad it doesn't do much good if your building gets hit
by fire/earthquake/hurricane/etc.
This would remove the application using that data too, or not? ;)
Yes and no. If your DB is an
On Thursday 25 August 2005 13:03, William Yu wrote:
As far as I know, nobody has a generic solution for multi-master
replication where servers are not in close proximity. Single master
replication? Doable. Application specific conflict resolution? Doable.
Off the shelf package that somehow
Chris Travers wrote:
Carlos Henrique Reimer wrote:
I read some documents about replication and realized that if you plan
on using asynchronous replication, your application should be
designed from the outset with that in mind because asynchronous
replication is not something that can be
Bohdan Linda wrote:
I would have a slight offtopic question, this is issue only of pgsql or
there are some other db solutions which have good performance when doing
this kind of replication across the world.
It all depends on the quality of the connection Node A to Node B. If
connectivity
William Yu schrieb:
Tino Wildenhain wrote:
Which is the problem we face. Great, you've got multiple servers for
failover. Too bad it doesn't do much good if your building gets hit
by fire/earthquake/hurricane/etc.
This would remove the application using that data too, or not? ;)
Yes
[EMAIL PROTECTED] (Aly Dharshi) writes:
I know I am wadding into this discussion as an beginner compared to
the rest who have answered this thread, but doesn't something like
pgpool provide relief for pseudo-multimaster replication, and what
about software like sqlrelay wouldn't these suites
[EMAIL PROTECTED] (David Goodenough) writes:
On Thursday 25 August 2005 13:03, William Yu wrote:
As far as I know, nobody has a generic solution for multi-master
replication where servers are not in close proximity. Single master
replication? Doable. Application specific conflict resolution?
[EMAIL PROTECTED] (Bohdan Linda) writes:
I would have a slight offtopic question, this is issue only of pgsql or
there are some other db solutions which have good performance when doing
this kind of replication across the world.
Asynchronous multimaster replication is pretty much a generally
Jim C. Nasby wrote:
Or, for something far easier, try
http://pgfoundry.org/projects/pgcluster/ which provides syncronous
multi-master clustering.
He specifically said that pgcluster did not work for him because the
databases would be at physically seperate locations. PGCluster requires
that
ExactlyJeff Davis [EMAIL PROTECTED] escreveu:
Jim C. Nasby wrote: Or, for something far easier, try http://pgfoundry.org/projects/pgcluster/ which provides syncronous multi-master clustering. He specifically said that pgcluster did not work for him because thedatabases would be at physically
http://pgfoundry.org/projects/pgcluster/ which provides syncronous
multi-master clustering.
He specifically said that pgcluster did not work for him
because ...PGCluster requires that there be a load balancer and a
replicator centrally located managing the cluster. If a network
problem
On Thu, Aug 25, 2005 at 12:20:52PM -0400, Chris Browne wrote:
[EMAIL PROTECTED] (Bohdan Linda) writes:
I would have a slight offtopic question, this is issue only of pgsql or
there are some other db solutions which have good performance when doing
this kind of replication across the world.
David Goodenough wrote:
The most obvious one that does exactly this (generic multi-master
replication) is Lotus Domino. It is not a relational DB, but not sufficiently
far off to stop the analogy.
Domino marks each document with a binary value which identifies the
server (built from a hash of
Carlos Henrique Reimer wrote:
Exactly
Was there something lacking in my suggested solution at:
http://archives.postgresql.org/pgsql-general/2005-08/msg01240.php
It's a little complicated to administer, but it seems well-suited to a
company that has several locations that want to share
[EMAIL PROTECTED] (Brad Nicholson) writes:
Bohdan Linda wrote:
I would have a slight offtopic question, this is issue only of pgsql or
there are some other db solutions which have good performance when doing
this kind of replication across the world.
It all depends on the quality of the
[EMAIL PROTECTED] (Steve Atkins) writes:
On Thu, Aug 25, 2005 at 12:20:52PM -0400, Chris Browne wrote:
[EMAIL PROTECTED] (Bohdan Linda) writes:
I would have a slight offtopic question, this is issue only of pgsql or
there are some other db solutions which have good performance when doing
William Yu [EMAIL PROTECTED] writes:
David Goodenough wrote:
The most obvious one that does exactly this (generic multi-master
replication) is Lotus Domino. It is not a relational DB, but not
sufficiently
far off to stop the analogy.
Domino marks each document with a binary value which
William Yu wrote:
Another tidbit I'd like to add. What has helped a lot in implementing
high-latency master-master replication writing our software with a
business process model in mind where data is not posted directly to
the final tables. Instead, users are generally allowed to enter
Matt Miller wrote:
http://pgfoundry.org/projects/pgcluster/ which provides syncronous
multi-master clustering.
He specifically said that pgcluster did not work for him
because ...PGCluster requires that there be a load balancer and a
replicator centrally located managing the cluster. If a network
Hello,
Currently we have only one database accessed by the headquarter and two branches but the performance in the branches is very poor and I was invited to discover a way to increase it.
One possible solution is replicate the headquarter DB into the two branches.
I read about slony-i, but
Am Mittwoch, 24. August 2005 14:21 schrieb Carlos Henrique Reimer:
One possible solution is replicate the headquarter DB into the two
branches.
I read about slony-i, but then the replicated DBs will be read-only.
That's because it's a master-slave replication. If you could sync the slave
[mailto:[EMAIL PROTECTED] Behalf Of Michael Meskes
Am Mittwoch, 24. August 2005 14:21 schrieb Carlos Henrique Reimer:
One possible solution is replicate the headquarter DB into the two
branches.
I read about slony-i, but then the replicated DBs will be read-only.
That's because it's a
[EMAIL PROTECTED] (Carlos Henrique Reimer) writes:
Currently we have only one database accessed by the headquarter and
two branches but the performance in the branches is very poor and
I was invited to discover a way to increase it.
One possible solution is replicate the headquarter DB into
I read some documents about replicationand realized that if you plan on using asynchronous replication, your application should be designed from the outset with that in mind because asynchronous replication is not something that can be easily added on after the fact.
Am I right?
Reimer
Carlos Henrique Reimer
wrote:
I read some documents about
replicationand realized
that if you plan on using asynchronous
replication, your
application should be designed from the outset
with that
in mind because asynchronousreplication is
not something
that can be easily added on after
Chris Browne wrote:
Slony-I is a master/slave asynchronous replication system; if you
already considered it unsuitable, then I see little likelihood of
other systems with the same sorts of properties being suitable.
What could conceivably be of use to you would be a *multimaster*
Jeff Davis writes:
I hope this is helpful. Let me know if there's some reason my plan won't
work.
look at the solution in pgreplicator. site ids are embedded in the
id columns in the tables, so there only m tables, and a bit less insanity.
That doesn't work with Slony-I unfortunately. I
Welty, Richard wrote:
Jeff Davis writes:
The disadvantages:
one more: if you actually have m tables and n servers, you have
m x n tables in reality, which is pretty miserable scaling behavior.
i should think that rules, triggers, and embedded procedures would
explode in complexity
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