Riak 1.3.1 high swap usage

Christopher Meiklejohn cmeiklejohn at basho.com
Thu Feb 19 10:01:19 EST 2015


> On Feb 19, 2015, at 9:05 AM, Daniel Iwan <iwan.daniel at gmail.com> wrote:
> 
> Hi 
> On 3 node cluster Ubuntu 12.04, nodes 8GB RAM all nodes show 6GB taken
> beam.smp, 2GB by our process.
> beam started swapping and currently is using 23GB of swap space.
> vm.swappiness is set to 1
> We are using ring 128.  /var/lib/riak is 37GB in size 11GB of which is used
> by anti-entropy
> 
> Is there a way to find out why there is so much memory required by Riak
> process?

Hi Daniel,

Which backend are you using?  Have you looked at our tuning documents?

Also, if possible, you should consider moving to one of the later Riak 
releases, which have better performance characteristics.

- Chris

Christopher Meiklejohn
Senior Software Engineer
Basho Technologies, Inc.
cmeiklejohn at basho.com





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