[Pacemaker] The larger cluster is tested.

Andrew Beekhof andrew at beekhof.net
Sun Oct 20 10:33:30 UTC 2013


On 18/10/2013, at 10:12 PM, yusuke iida <yusk.iida at gmail.com> wrote:

> Hi, Andrew
> 
> Now, I am testing the configuration of one standby node and active node of 15.
> About 10 Dummy resources are started per node.
> 
> If all the nodes are started with this composition, before all the
> resources start, it will take the time for about 20 minutes.
> 
> And some resources have caused start timeout.
> probe is performed all at once by all the nodes at a start-up.
> The result is written in cib and synchronizes with all the nodes.
> This processing requires very high load.
> I think that timeout has occurred owing to it.

More than likely, yes.

> 
> I am very interested in whether this problem is solvable, if you use
> throttle created now.

I have been using it, I have found it more effective than batch-limit for bounding CPU usage and avoiding timeouts.
I would be interested to hear your feedback if you have the time to do some testing.

> When is throttle due to be merged into the repository of ClusterLabs?

It is queued up behind a compatibility patch that is needed for some changes I made to the pacemaker-remote wire protocol.

> 
> Best Regards,
> 
> -- 
> ----------------------------------------
> METRO SYSTEMS CO., LTD
> 
> Yusuke Iida
> Mail: yusk.iida at gmail.com
> ----------------------------------------
> 
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