Andy frum
Mon Jul 25 16:08:15 PDT 2005
Well, everybody's in vacation (I hope so) or there is no solution for me???

Best regards,
Andy.


----- Original Message ----- 
From: "Andy" <frum at ar-sd.net>
To: "Scott Marlowe" <smarlowe at g2switchworks.com>
Cc: <slony1-general at gborg.postgresql.org>
Sent: Friday, July 22, 2005 9:46 AM
Subject: Re: [Slony1-general] Slony >> Multi Master Replication???


>> Well, there's always some kludgy answer to such problems.  But, are you
>> sure you really need true multi-master replication?  Mayhaps you could
>> describe what it is you are trying to do first, then allow the group to
>> help you come up with an answer.
> Ok. Here is my story:
>
> We develop a contract management software, we use a Postgre database, 
> which has around 100 tables. Our compnay wants so open 2 more offices(in 
> September) in Europe where the employees will have to work with this 
> management software. And we are looking for a solution that we can install 
> this software on local servers in this offices.
>
> In this offices will be performed some major tasks like: add a contract, 
> planifications, report writings etc. We already use Slony for a 
> datatransfer to a client, but he can only read the data's and it is ok so. 
> But in this offices will be a lot of writing in the database. That is why 
> I wanted a multi master replications. Most of the tables are "static" 
> tables. I mean that they contain lists... that somehow are "fix"... can be 
> user as "read_only" in these offices. But a task like: add a contract 
> writes data in at least 8 tables, planning in 3, report writing in 6 or 7 
> didn't count them exactly.
>
> So, my problem is this: how to replicate the database and also keep these 
> tables "writable"??? The solution that I see is to duplicate these tables 
> and replicate them reversily(from slave to master) and to read the data 
> with scripts... but somehow I don't like it very much. The other problem 
> with this solution is that we'll have 2 offices now... what about the 
> future...
>
> I will appriciate any ideeas, solutions etc.
>
> Best regards,
> Andy.
>
>
> ----- Original Message ----- 
> From: "Scott Marlowe" <smarlowe at g2switchworks.com>
> To: "Andy" <frum at ar-sd.net>
> Cc: <slony1-general at gborg.postgresql.org>
> Sent: Thursday, July 21, 2005 7:04 PM
> Subject: Re: [Slony1-general] Slony >> Multi Master Replication???
>
>
>> On Thu, 2005-07-21 at 05:05, Andy wrote:
>>> I know that with Slony I is not possible to make a multi master
>>> replication.
>>>
>>> Probably some of you have more experience with Postgre Replication and
>>> I really need to make a multi master replication. I heard that slony
>>> II will be able to do this... but I don't know iof there is any
>>> release date or somthing more specific about it.
>>>
>>> Or... other replication solution?
>>>
>>
>> Well, there's always some kludgy answer to such problems.  But, are you
>> sure you really need true multi-master replication?  Mayhaps you could
>> describe what it is you are trying to do first, then allow the group to
>> help you come up with an answer.  There may be an inobvious fix no one
>> will think of until they know what objectives you're trying to reach.
>>
>>
>
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