Re: [Postgres-xc-general] max Coordinators

[Bartłomiej W. <bar...@tu...>]

Hello,

But can I have more then 16 coordinators and 16 datanodes the cluster 
scaling ?

Regards!


W dniu 2013-09-17 12:55, Abbas Butt pisze:
> Hi,
>
> Nodes are stored in a table in shared memory, which cannot be resized 
> in dynamic fashion. Hence limits are required at startup time to 
> determine shared memory size. You can have a cluster with any nodes 
> less than the max values defined in the configuration file and then 
> later on add more nodes to the cluster until that limit is reached. To 
> add more nodes the configuration needs to be changed and the cluster 
> needs to be restarted.
> Thanks.
>
>
>
> On Tue, Sep 17, 2013 at 3:35 PM, Bartłomiej Wójcik 
> <bar...@tu... 
> <mailto:bar...@tu...>> wrote:
>
>     Hello,
>
>     I have a question about default max Coordinators which we can see
>     in the configuration file - postgres.conf and in some presentations
>     about pgxc
>
>     What happens when you exceed the limit and after crossing?
>
>     (similar restriction is for nodes)    -    why ?
>
>     Regards!
>     bw
>
>
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