Riak stalls, leveldb backend

Luke Bakken lbakken at basho.com
Wed Feb 11 18:36:02 EST 2015

Hi Andy,

I'd like to strongly recommend using the spreadsheet linked to by this document:


Spreadsheet: https://docs.google.com/spreadsheet/ccc?key=0AnW_U8Qe8NdYdGk2V3Qza0VRNkxyRFNGUVVCV0c3V3c&usp=sharing#gid=0

The reason I bring it up is that the parameters you list will most
certainly exhaust RAM at some point.

Luke Bakken
lbakken at basho.com

On Wed, Feb 11, 2015 at 11:47 AM, Andy Pellett <andy at embed.ly> wrote:
> Hi All,
> I ran across this page:
> http://docs.basho.com/riak/1.0.0/tutorials/choosing-a-backend/LevelDB/
> and ended up tuning the following parameters:
> max_open_files 16384
> write_buffer_size_min 1gb
> write_buffer_size_max 2gb
> cache_size 15gb
> block_size 262144
> Since making these changes about a week ago, I've seen considerably fewer
> compactions, and no stalls. Hoping this holds up.
> Andy

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