+zdbbl recommended value
jared at basho.com
Mon Jul 15 10:58:58 EDT 2013
So higher +zdbbl numbers will allow for larger message buffers, but at the
expense of memory usage. We've actually added better wording in the
default vm.args file for 1.4+
So I guess the best answer is trial & error. We added 32MB commented out
in the vm.args, but it can go much higher than that (around 2gb is the true
max). I think most people have found setting it to 32768 helps without too
much memory usage penalty.
On Mon, Jul 15, 2013 at 8:38 AM, Guido Medina <guido.medina at temetra.com>wrote:
> We had an issue in 1.4 where 2i operations were timing out, after going
> through support we were suggested to use "+zdbbl 16384", on the
> "Configuring Riak Docs" it is strongly suggested (unless doc need to be
> re-phrased) it should be higher:
> At the end of such doc there is the following fragment and we would like
> to know if there is a kind of all situations balanced value and the
> Performance & Capacity settings
> It is strongly recommended that the following values be set in the Riak
> vm.args configuration file, which is located in the /etc/riak or
> /opt/riak/etc folder.
> ## This setting is not present in default Riak installations, so## it should be added. In some cases, a value of 128000 may be## appropriate.
> +zdbbl 96000
> ## This setting is present in default Riak installations, so## its value should be edited.
> -env ERL_MAX_PORTS 16384
> Kind regards,
> riak-users mailing list
> riak-users at lists.basho.com
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