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From "Y.Wong" <>
Subject Re: Recommissioned node is much smaller
Date Sun, 07 Dec 2014 17:59:33 GMT
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On Dec 2, 2014 3:45 PM, "Robert Coli" <> wrote:

> On Tue, Dec 2, 2014 at 12:21 PM, Robert Wille <> 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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