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 communic
PROTECTED]>; "Bruce Momjian"
<[EMAIL PROTECTED]>; "Jan Wieck" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>; "PostgreSQL-development"
<[EMAIL PROTECTED]>
Sent: Sunday, December 15, 2002 9:17 PM
Subject: Re: [mail] Re: [HACKERS] Big 7.4 item
>; "Bruce Momjian"
<[EMAIL PROTECTED]>; "Jan Wieck" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>; "PostgreSQL-development"
<[EMAIL PROTECTED]>
Sent: Sunday, December 15, 2002 5:00 PM
Subject: Re: [mail] Re: [HACKERS] Big 7.4 items - Replication
ot;Darren Johnson"
<[EMAIL PROTECTED]>
Cc: "Bruce Momjian" <[EMAIL PROTECTED]>; "Jan Wieck"
<[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>;
"PostgreSQL-development" <[EMAIL PROTECTED]>
Sent: Sunday, December 15, 2002 2:29 PM
Subject: Re:
mjian" <[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 - Replic
: "Darren Johnson" <[EMAIL PROTECTED]>
To: "Al Sutton" <[EMAIL PROTECTED]>
Cc: "Bruce Momjian" <[EMAIL PROTECTED]>; "Jan Wieck"
<[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>;
"PostgreSQL-development" <[EMAIL PROTECTED]&g
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 with
[EMAIL PROTECTED]>
To: "Al Sutton" <[EMAIL PROTECTED]>
Cc: "Darren Johnson" <[EMAIL PROTECTED]>; "Jan Wieck"
<[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>;
"PostgreSQL-development" <[EMAIL PROTECTED]>
Sent: Saturday, December 14,
--En cette belle journée de samedi 14 décembre 2002 11:59 -0500,
-- Bruce Momjian écrivait avec ses petits doigts :
>
> This sounds like two-phase commit. While it will work, it is probably
> slower than Postgres-R's method.
What exactly is Postgres-R's method ?
--
Mathieu Arnold
---
This sounds like two-phase commit. While it will work, it is probably
slower than Postgres-R's method.
---
Al Sutton wrote:
> For live replication could I propose that we consider the systems A,B, and C
> connected to each o
For live replication could I propose that we consider the systems A,B, and C
connected to each other independantly (i.e. A has links to B and C, B has
links to A and C, and C has links to A and B), and that replication is
handled by the node receiving the write based transaction.
If we consider a
11 matches
Mail list logo
