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From Robert Coli <rc...@eventbrite.com>
Subject Re: How are writes handled while adding nodes to cluster?
Date Tue, 06 Oct 2015 19:24:34 GMT
On Tue, Oct 6, 2015 at 11:10 AM, Tyler Hobbs <tyler@datastax.com> wrote:

> When a node is joining, writes are sent to both the current replicas *and*
> the joining replica.  However, the joining replica does not count towards
> the consistency level.  So, for example, if you write at
> ConsistencyLevel.TWO, and only one existing replica and the joining replica
> respond, the write will be considered a failure.
>

The word I usually use to summarize the nature of the writes being sent to
the joining replica is :

"Extra"

In that they are otherwise just like replication, but no one but the
joining node cares if they are delivered...

=Rob

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