Riak consumes too much memory

darren darren at ontrenet.com
Thu Oct 17 20:50:36 EDT 2013


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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