Thanks a lot Hannu!
How about the write path though. What consistency level would I choose if I
want to insert e.g. sensor data into my cluster without the app crashing
every time I up update the cluster? I would assume that QUORUM (replication
of 3) might not always go through?
On Mon, Oct 24, 2016 at 2:09 PM, Hannu Kröger <hkro...@gmail.com> wrote:
> Hi,
>
> Once the client is connected, it will automatically connect to many nodes
> in the cluster. Therefore once the app is running the amount of contact
> points doesn’t matter and if you have consistency level < ALL (or QUORUM
> where replication factor is <= 2), your app should tolerate rolling restart
> ok.
>
> That being said, you should have more than one contact point because if
> you restart your application and the node indicated in contact point
> happens to be down, the application cannot connect to cluster and fails.
> Having two contact points is a good start.
>
> Cheers,
> Hannu
>
>
> On 24 Oct 2016, at 15:04, Andreas Fritzler <andreas.fritz...@gmail.com>
> wrote:
>
> Hi,
>
> I was wondering if it is enough to set a list of contact points via:
>
> Cluster.builder().addContactPoint("host1").addContactPoint("host2")...;
>
> to survive a cluster rolling while inserting/reading from the cluster.
>
> Regards,
> Andreas
>
>
>
