Re: [GENERAL] [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-13 Thread Andrew Sullivan
On Wed, Nov 12, 2003 at 04:43:03PM -0500, Andrew Sullivan wrote: rant People often like to say they need hot-fail-capable, five BTW, this was not a rant at the person posting -- he was just reporting what he has heard. I've heard it plenty, too, and the people whence I've heard it are the rant

Re: [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-13 Thread Bruce Momjian
Jan Wieck wrote: I would like to add that there is a good reason why they aren't in the same league. As a rule of thumb one can say that the smaller a software company, the faster some development must turn into revenue. That is why Oracle and Microsoft have the time to do things right.

Re: [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-13 Thread Jan Wieck
Bruce Momjian wrote: Hans-J?rgen Sch?nig wrote: Meanwhile we seem to be in a situation where PostgreSQL is rather competing against Oracle than against MySQL. In our case there are more people asking for Oracle - Pg migration than for MySQL - Pg. MySQL does not seem to be the great enemy

Re: [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-12 Thread Jan Wieck
Hans-Jürgen Schönig wrote: Jan, First of all we really appreciate that this is going to be an Open Source project. There is something I wanted to add from a marketing point of view: I have done many public talks in the 2 years or so. There is one question people keep asking me: How about the

Re: [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-12 Thread Jordan Henderson
Jan, I am wondering if you are familar with the work covered in 'Recovery in Parallel Database Systems' by Svein-Olaf Hvasshovd (Vieweg) ? The book is an excellent detailed description covering high availablility DB implementations. I think your right on by not thinking smaller!! Jordan

Re: [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-12 Thread Hans-Jürgen Schönig
Jan, This is EXACTLY what we have been waiting for (years) :) :) :). If you need somebody for testing or documentation just drop me a line. Cheers, Hans Jan Wieck wrote: Hans-Jürgen Schönig wrote: Jan, First of all we really appreciate that this is going to be an Open Source project.

Re: [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-12 Thread Jan Wieck
Jordan Henderson wrote: Jan, I am wondering if you are familar with the work covered in 'Recovery in Parallel Database Systems' by Svein-Olaf Hvasshovd (Vieweg) ? The book is an excellent detailed description covering high availablility DB implementations. No, but it sounds like something I

Re: [GENERAL] [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-12 Thread Andrew Sullivan
On Wed, Nov 12, 2003 at 02:08:23PM +0100, Hans-J?rgen Sch?nig wrote: an inferior product anyway. What I want to point out is that some people want an alternative Oracle's Real Application Cluster. They want load balancing and hot failover. Even data centers asking for replication did not

Re: [HACKERS] Proposal for a cascaded master-slave replication system

2003-11-12 Thread Bruce Momjian
Hans-Jürgen Schönig wrote: Meanwhile we seem to be in a situation where PostgreSQL is rather competing against Oracle than against MySQL. In our case there are more people asking for Oracle - Pg migration than for MySQL - Pg. MySQL does not seem to be the great enemy because most people

[HACKERS] Proposal for a cascaded master-slave replication system

2003-11-11 Thread Jan Wieck
Dear community, for some reason the post I sent yesterday night still did not show up on the mailing lists. I have set up some links on the developers side under http://developer.postgresql.org/~wieck/slony1.html The concept will be the base for some of my work as a Software Engineer here at