On Tue, Dec 2, 2014 at 12:21 PM, Robert Wille <rwi...@fold3.com> wrote:

> As a a test, I took down a node, deleted /var/lib/cassandra and restarted
> it. After it joined the cluster, it’s about 75% the size of its neighbors
> (both in terms of bytes and numbers of keys). Prior to my test it was
> approximately the same size. I have no explanation for why that node would
> shrink so much, other than data loss. I have no deleted data, and no TTL’s.
> Only a small percentage of my data has had any updates (and some of my
> tables have had only inserts, and those have shrunk by 25% as well). I
> don’t really know how to check if I have records that have fewer than three
> replicas (RF=3).
>

Sounds suspicious, actually. I would suspect "partial-bootstrap."

To determine if you have under-replicated data, run repair. That's what
it's for.

=Rob

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