[Pgcluster-general] pgcluster patch

[mitani]

Hi Markus,

Thank you for sending nice patch.
I'd like to check it during this holiday.

This week has the longest holiday season in Japan.
Five days! (And it's including Sat. and Sun.)
Oh my gawd, should I back to The Netherlands ?

Regards,
-----------------------
At.Mitani
 

On Thu, 30 Apr 2009 17:00:00 +0200
Markus Schmidleitner <markus.schmidleitner at ocilion.com> wrote:

> hello list, hello mitani!
> 
> @mitani
> great, you're back!!
> thank's a lot for this awsome piece of software - great work - keep it
> up!
> 
> @all
> maybe someone recognized the 'cybercluster-backport and more'-patch and
> the 'replication-server-failover'-patch i sent in a while ago.
> 
> here's another patch-set based on the 2 patches before.
> the current patch-set is against postgresql 8.3.7.
> 
> i hope anyone will give it a try.
> comments/suggestions are highly appreciated!
> 
> @mitani
> maybe you can do some code review/testing on it? would be nice ;-)
> 
> 
> changes regarding to previous patches:
> - initdb now works as expected (failed in previous patches)
> - added postgresql startup parameter '-a' to set the cluster in full
> standalone mode, bypassing all replication operations (mainly for
> regression testing and an operational mode which we need here)
> - added a few configuration parameters (see current cluster.conf and
> pgreplicate.conf)
> - now you can specify a comma separated list of hostnames or addresses
> in Host_Name-Parameter (currently this is limited to a set of 2 - see
> cluster.conf and pgreplicate.conf)
> - pgreplicate and postgresql recovery processes now listen only on those
> interfaces that are specified
> - set default-value of auto_lock_table to false
> - reworked locking code and deadlock notification
> - some refinements on networking-code
> - use modified elog instead of own logging-code (mainly for logging in
> common code used by pgreplicate and postgresql - currently logging from
> pgreplicate to a logfile is not implemented)
> - some more general reworks, dead code eliminations ...
> 
> changes from earlier patches:
> - replication server will be noticed to all clusters
> - cluster will be noticed to all replication servers
> - standby replication server send cascade info to cluster
>   * cluster will automatically switch to primary replication server
> - primary replication server requests replication servers from cluster
>   * replication server will automatically setup cascade
>   * clusters automatically switch back to primary replication server
> 
> - added threading-support in pgreplicate (mainly backported from
> cybercluster)
> - code refactoring
>   * implemented functions for non-blocking i/o which are used by entire
> pgcluster
>   * all net-i/o operations are non-blocking
>   * earse dead code
>   * remove needless memcpy
>   * other minor reworks
> - implemented a cluster-notice message when cascading is used
>   * it informs the upper and lower cascade that cluster finished
> recovery and can be used now
> 
> 
> best regards,
> Markus Schmidleitner
> 
> 
> 
> 
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-- 
mitani <mitani at sraw.co.jp>