reconfigure Riak w/o restarting the node?

Nico Meyer nico.meyer at
Tue Oct 23 07:49:48 EDT 2012

Hi Sebastian,

the way you proposed just works. I used this myself a lot lately.
For us the reason why we don't want to restart a node for this, is that 
it takes about 40 minutes to load all keys into memory.


Am 23.10.2012 13:44, schrieb Sebastian Cohnen:
> Hey list,
> I'd like to reconfigure the bitcask merge_window. But I'd like to avoid to restart the nodes. I have no particular restriction, why I cannot restart the riak process, but I'd like to know if and how this would work.
> Reading some riak/bitcask code I'd say that I just have to attach to riak and issue: application:set_env(bitcask, merge_window, {23, 3}). My question is, is this the way to go? Is it safe to run this and to change this setting while the system is running?
> Best
> Sebastian
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