Mon Jul 25 16:08:15 PDT 2005
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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. >> >> > > _______________________________________________ > Slony1-general mailing list > Slony1-general at gborg.postgresql.org > http://gborg.postgresql.org/mailman/listinfo/slony1-general > >
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