Riak consumes too much memory

Dave Martorana dave at flyclops.com
Fri Oct 18 12:33:38 EDT 2013


Matthew,

For we who don't quite understand, can you explain - does this mean
mv-flexcache is a feature that just comes with 2.0, or is it something that
will need to be turned on, etc?

Thanks!

Dave


On Thu, Oct 17, 2013 at 9:45 PM, Matthew Von-Maszewski
<matthewv at basho.com>wrote:

> It is already in test and available for your download now:
>
> https://github.com/basho/leveldb/tree/mv-flexcache
>
> Discussion is here:
>
> https://github.com/basho/leveldb/wiki/mv-flexcache
>
> This code is slated for Riak 2.0.  Enjoy!!
>
> Matthew
>
> On Oct 17, 2013, at 20:50, darren <darren at ontrenet.com> wrote:
>
> But why isn't riak smart enough to adjust itself to the available memory
> or lack thereof?
>
> No serious enterprise technology should just consume everything and crash.
>
>
> Sent from my Verizon Wireless 4G LTE Smartphone
>
>
>
> -------- Original message --------
> From: Matthew Von-Maszewski <matthewv at basho.com>
> Date: 10/17/2013 8:38 PM (GMT-05:00)
> To: ZhouJianhua <jh.zhou at outlook.com>
> Cc: riak-users at lists.basho.com
> Subject: Re: Riak consumes too much memory
>
>
> Greetings,
>
> The default config targets 5 servers and 16 to 32G of RAM.  Yes, the
> app.config needs some adjustment to achieve happiness for you:
>
> - change ring_creation_size from 64 to 16 (remove the % from the beginning
> of the line)
> - add this line before "{data_root, <path>}" in eleveldb section:
> "{max_open_files, 40}," (be sure the comma is at the end of this line).
>
> Good luck,
> Matthew
>
>
> On Oct 17, 2013, at 8:23 PM, ZhouJianhua <jh.zhou at outlook.com> wrote:
>
> Hi
>
> I installed riak v1.4.2 on ubuntu12.04(64bit, 4G RAM) with apt-get,  run
> it with default app.conf but change the backend to leveldb, and test it
> with https://github.com/tpjg/goriakpbc .
>
> Just keep putting (key, value) to an bucket,  the memory always increasing,
> and in the end it crashed, as it cannot allocate memory.
>
> Should i change the configuration or other?
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