HA when using CQ query

[Avital Amity <Av...@Amdocs.com>]

Hi,

When using subscription (subscription-enabled="true") and would like to have HA of the data
Is the regular configuration in server side for the relevant region enough (redundant-copies="1") or any configuration also needed on client side (subscription-redundancy="1")


What is the difference between redundant-copies in server side and subscription-redundancy in client side?

Thanks
Avital

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Re: HA when using CQ query

[Anthony Baker <ab...@pivotal.io>]

When you want to configure the redundancy for data in a partitioned region, you set redundant-copies.  This let’s you have 0, 1, 2, 3, … copies of data on the geode servers based on your performance and HA goals.

When you want to configure the redundancy for sending events to clients, you set subscription-redundancy.  This let’s you replicate the subscription queue on multiple servers so if the primary fails, the clients can be moved to a backup queue without interruption.


Anthony

> On Jan 22, 2017, at 11:38 AM, Avital Amity <Av...@Amdocs.com> wrote:
> 
> 
> When using subscription (subscription-enabled="true") and would like to have HA of the data
> Is the regular configuration in server side for the relevant region enough (redundant-copies="1") or any configuration also needed on client side (subscription-redundancy=”1”)
>