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From aaron morton <>
Subject Re: Really odd issue (AWS related?)
Date Fri, 26 Apr 2013 01:50:32 GMT
> The messages appear right after the node "wakes up".
Are you tracking CPU steal ? 

Aaron Morton
Freelance Cassandra Consultant
New Zealand


On 25/04/2013, at 4:15 AM, Robert Coli <> wrote:

> On Wed, Apr 24, 2013 at 5:03 AM, Michael Theroux <> wrote:
>> Another related question.  Once we see messages being dropped on one node, our cassandra
client appears to see this, reporting errors.  We use LOCAL_QUORUM with a RF of 3 on all queries.
 Any idea why clients would see an error?  If only one node reports an error, shouldn't the
consistency level prevent the client from seeing an issue?
> If the client is talking to a broken/degraded coordinator node, RF/CL
> are unable to protect it from RPCTimeout. If it is unable to
> coordinate the request in a timely fashion, your clients will get
> errors.
> =Rob

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