: Darren Johnson [EMAIL PROTECTED]
To: Al Sutton [EMAIL PROTECTED]
Cc: Bruce Momjian [EMAIL PROTECTED]; Jan Wieck
[EMAIL PROTECTED]; [EMAIL PROTECTED];
PostgreSQL-development [EMAIL PROTECTED]
Sent: Saturday, December 14, 2002 6:48 PM
Subject: Re: [mail] Re: [HACKERS] Big 7.4 items - Replication
PM
Subject: Re: [mail] Re: [HACKERS] Big 7.4 items - Replication
b) The Group Communication blob will consist of a number of processes
which
need to talk to all of the others to interrogate them for changes which
may
conflict with the current write that being handled and then issue
]; Jan Wieck
[EMAIL PROTECTED]; [EMAIL PROTECTED];
PostgreSQL-development [EMAIL PROTECTED]
Sent: Sunday, December 15, 2002 2:29 PM
Subject: Re: [MLIST] Re: [mail] Re: [HACKERS] Big 7.4 items - Replication
Another concern I have with multi-master systems is what happens if the
network splits in 2
];
[EMAIL PROTECTED]; PostgreSQL-development
[EMAIL PROTECTED]
Sent: Sunday, December 15, 2002 5:00 PM
Subject: Re: [mail] Re: [HACKERS] Big 7.4 items - Replication
The total order provided by the group communication daemons guarantees
that every member will see the tranactions/writesets in the same
];
[EMAIL PROTECTED]; PostgreSQL-development
[EMAIL PROTECTED]
Sent: Sunday, December 15, 2002 9:17 PM
Subject: Re: [mail] Re: [HACKERS] Big 7.4 items - Replication
On Sun, Dec 15, 2002 at 07:42:35PM -, Al Sutton wrote:
Jonathan,
How do the group communication daemons on system A and B
Darren Johnson wrote:
The group communication system doesn't just run on one system. For
postgres-r using spread
The reason why group communication software is used is simply because
this software is designed with two goals in mind:
1) optimize bandwidth usage
2) make many-to-many
Sutton [EMAIL PROTECTED]
Cc: Darren Johnson [EMAIL PROTECTED]; Jan Wieck
[EMAIL PROTECTED]; [EMAIL PROTECTED];
PostgreSQL-development [EMAIL PROTECTED]
Sent: Saturday, December 14, 2002 4:59 PM
Subject: [mail] Re: [HACKERS] Big 7.4 items - Replication
This sounds like two-phase commit. While
b) The Group Communication blob will consist of a number of processes which
need to talk to all of the others to interrogate them for changes which may
conflict with the current write that being handled and then issue the
transaction response. This is basically the two phase commit solution
