logisitic regression

http://hunch.net/~vw/
https://issues.apache.org/jira/browse/MAHOUT-228

http://blog.csdn.net/dcraw/article/details/6846599

http://www.win-vector.com/blog/2010/12/large-data-logistic-regression-with-example-hadoop-code/


large scale logisitc regression
http://bickson.blogspot.com/2011/05/large-scale-logistic-regression.html
http://bickson.blogspot.com/search?q=logistic+regression

Proposal for implementation of machine learning algorithms
on distributed environment using Map reduce
http://code.google.com/p/ml-mapreduce/

http://metaoptimize.com/qa/questions/785/online-optimization-algorithms-are-there-good-implementations-libraries-to-use

http://www.quora.com/Large-Scale-Learning/What-are-some-introductory-resources-for-learning-about-large-scale-machine-learning-Why