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From Nate McCall <n...@thelastpickle.com>
Subject Re: Updating Table Schemas Slows Down Cluster
Date Thu, 14 May 2015 20:26:13 GMT
You might be seeing the effects of
https://issues.apache.org/jira/browse/CASSANDRA-9136 which was just fixed
in 2.0.15.

The connection thrashing from the above would definitely cause some
hiccups.

On Thu, May 14, 2015 at 3:10 PM, Christopher Kelly <cekelly@cs.princeton.edu
> wrote:

> Hi all,
>
> We're running a 24 node cluster and we've noticed that whenever we either
> update an existing table or add a new table, the cluster's load increases
> immensely during and after for about 1 minute, triggering a lot of read and
> write timeouts.  Has anyone seen this behavior before or have any ideas as
> to why schema updates are such an intensive operation? We are running on
> 2.0.10.
>
> Thanks,
> Chris
>



-- 
-----------------
Nate McCall
Austin, TX
@zznate

Co-Founder & Sr. Technical Consultant
Apache Cassandra Consulting
http://www.thelastpickle.com

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