Re: abstracted vs. opinionated, object mapping (was: Re: Riak Recap for March 14 - 15)

2011-03-21 Thread Jon Brisbin
On Mar 18, 2011, at 6:11 PM, Mark Wolfe wrote: > And just for completeness here is a link to the spring data mapping code on > github. > > https://github.com/SpringSource/spring-data-mapping Just to clarify: this is the code from Graeme's "inconsequential" project, which is the foundation of

Implementing EFFICIENTLY a riak pre-commit hook that does get and put

2011-03-21 Thread Ori Bar
I implemented a pre-commit hook for riak which gets and updates a specific "meta" key whenever commits satisfy a specific criteria. I have noticed however, that doing Client:get to retrieve the "meta" key takes long, and seriously slows down my commits (about 20 times slower). Are there any advices

Multiple disks

2011-03-21 Thread Greg Nelson
Hello, We are currently evaluating Riak for an application that will store large amounts of data in a write-heavy pattern. We'd like to pack many disks into each machine. Currently, it appears that Bitcask uses exactly one directory to store data. What is the best way to have it use multiple d

Re: Multiple disks

2011-03-21 Thread Alexander Sicular
In short, no. Vnodes can not be pointed to individual disks. Whichever backend you use for riak, all the files will live in one directory. Your only option is raid and to select the raid that is appropriate for your application. You basically have 3 options when it comes to raid levels: S

Re: Multiple disks

2011-03-21 Thread Seth Falcon
On Mon, Mar 21, 2011 at 4:51 PM, Alexander Sicular wrote: > In short, no. Vnodes can not be pointed to individual disks. Whichever > backend you use for riak, all the files will live in one directory. Perhaps another option is to simply run multiple separate raik nodes on the same machine, each p

Re: Multiple disks

2011-03-21 Thread Luke Monahan
On Tue, Mar 22, 2011 at 11:14 AM, Seth Falcon wrote: > > Perhaps another option is to simply run multiple separate raik nodes > on the same machine, each pointed at its own disk. > That's what I thought when first reading this, but a hardware failure would be likely to take out all the nodes on a

Riak Recap for March 18 - 20

2011-03-21 Thread Mark Phillips
Evening, Morning, Afternoon to All - Here's a brief Recap for the last few days. Enjoy. Mark Community Manager Basho Technologies wiki.basho.com twitter.com/pharkmillups Riak Recap for March 18 - 20 1) Ryan Zezeski took a break from patching Luwak to write a fantastic blog post about wh

Any way to use node.js as map/reduce worker?

2011-03-21 Thread Eric Fong
Hi I think that may be a Erlang question more than a Riak question. Can I use Riak to superviseand distribute task to node.js process? I know that is possible for Erlang to supervise python program. That should be possible to supervise any program too. Any plan for that? -- Best Regards, Eric