incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Robert Coli <rc...@eventbrite.com>
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 <ken.hancock@schange.com>wrote:

> I appear to have a problem illustrated by
> https://issues.apache.org/jira/browse/CASSANDRA-1955. 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?

=Rob

Mime
View raw message