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From Robert Coli <>
Subject Re: Memtable flush blocking writes
Date Mon, 23 Sep 2013 22:03:46 GMT
On Fri, Aug 23, 2013 at 10:35 AM, Ken Hancock <>wrote:

> I appear to have a problem illustrated by
> At low data
> rates, I'm seeing mutation messages dropped because writers are
> blocked as I get a storm of memtables being flushed. OpsCenter
> memtables seem to also contribute to this:

> Now I can increase memtable_flush_queue_size, but it seems based on
> the above that in order to solve the problem, I need to set this to
> count(CF). What's the downside of this approach? It seems a backwards
> solution to the real problem...

What version of Cassandra? Did you ever get to the bottom of this?


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