Sounds different enough. Thanks.
Tim.
On Tue, Apr 17, 2001 at 01:54:47PM -0500, Brian Drawert wrote:
> Tim Bunce wrote:
>
> > How does it compare with DBD::Multiplex?
>
> I am not familiar with DBD::Multiplex, or I wasn't until you brought it to my
> attention. Can you tell me how far along the development of DBD::Multiplex
> is?
>
> >From what I have seen in the Archives, the difference is that DBD::Multiplex
> basically does it's call serialized, DBD::HARD does them in paralleled.
> DBD::HARD is designed to be used in a high speed production environment,
> where speed is important. My hope is to be able to get DBD::HARD fast enough
> that it can be within 5% of speed of the native driver.
>
> The basic flow is this. Your program uses the DBD::HARD driver
> $dbh = DBI->connect("dbi:HARD:dsn", $user, $passwd);
> The driver connects (via Unix Socks or TCP and my own protocol) to the
> HARDserver. The server then does the Multiplexing of data. The server also
> monitors the databases to see if they are up/down, and if they go down and
> come back up, can be configured to store all the INSERT/UPDATE/DELETE
> statements to bring it back into sync with the other databases.
>
> >
> >
> > Tim.
> >
> > On Mon, Apr 16, 2001 at 11:57:53AM -0500, Brian Drawert wrote:
> > > HI!
> > >
> > > I have been working on a new DBI-DBD module called DBD::HARD. The HARD
> > > stands for High Availability and Replication Driver. It works very
> > > similar to DBD::Proxy and DBI::Proxy server, in that it has a running
> > > server and the driver connects to that server.
> > >
> > > The purpose of DBD::HARD is to provide a system that does replication
> > > and high availability for databases. Since it is built on the perl DBI
> > > model it is database independent, and could be a very valuable tool for
> > > anyone who uses databases.
> > >
> > > It has recently been released under the GPL. This is a call for
> > > developers. We need help with the DBD driver and the Server end of the
> > > project. It is written in 100% perl. If anyone is interested please go
> > > to the project homepage http://dbd-hard.sourceforge.net/ and join the
> > > project or sign-up for the mailing lists.
> > >
> > > Thanks,
> > > Brian Drawert
> > > Founder and Project Admin
> > >
>
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