Riak stalls, leveldb backend
andy at embed.ly
Thu Feb 19 15:19:33 EST 2015
Your prediction was spot on.
Today, about 2 weeks after setting the parameters from my earlier email, we
saw riak nodes start to run out of memory and fail.
I have to say, it was a great 2 weeks though.
I've adjusted the parameters again, this time paying attention the linked
Thanks for your advice,
On Wed, Feb 11, 2015 at 6:36 PM, Luke Bakken <lbakken at basho.com> wrote:
> Hi Andy,
> I'd like to strongly recommend using the spreadsheet linked to by this
> 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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