Riak-0.8 Released

Kevin Smith ksmith at basho.com
Wed Feb 3 16:50:20 EST 2010


Tim - 

All of the docs for Javascript map/reduce should be in doc/js-mapreduce.txt. I also recorded a 15 minute screencast demostrating how the new feature works:

http://vimeo.com/9188550

--Kevin
On Feb 3, 2010, at 4:45 PM, Timothy Perrett wrote:

> Awesome stuff! Where can we find documentation on the JavaScript mapreduce interface?
> 
> Cheers, Tim
> 
> Sent from my iPhone
> 
> On 3 Feb 2010, at 20:51, Andy Gross <andy at basho.com> wrote:
> 
>> 
>> Hi All,
>> 
>> We've just released Riak-0.8, with JavaScript Map/Reduce support.   Release notes:
>> 
>> ----------------------
>> Riak 0.8 Release Notes
>> ----------------------
>> 
>> Riak 0.8 is the first release of Riak with full support for map/reduce
>> processing exposed entirely via an HTTP/JavaScript interface.  In summary:
>> 
>> - exposed javascript as a first class map/reduce query language
>> - map/reduce queries can be submitted via HTTP/JSON (default endpoint
>>   is "/mapred")
>> - numerous fixes and tweaks to map/reduce query performance and
>>   timeout behavior
>> 
>> Riak 0.8 also includes a number of minor improvements such as:
>> 
>> - improved handoff/rebalancing performance.
>> - added configuration parameter 'handoff_concurrency', which controls
>>    how many vnodes per host can engage in handoff at once.
>> - added client_lib/riak.py, a python client for the 'raw' riak http
>>    interface (based on jiak.py by Jay Baird).
>> - statistics about node performance, VM state, and Riak cluster status
>>   are now exposed over HTTP/JSON (default endpoint is "/stats")
>> 
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> 
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