LZO compression : ‘focussed on decompression speed’ … ‘On modern architectures, decompression is very fast; in non-trivial cases able to exceed the speed of a straight memory-to-memory copy due to the reduced memory-reads.’
(tags: lzo compression speed memory lossless)Analyzing Apache logs with Pig : great demo and walkthrough from Cloudera
(tags: hadoop howto pig analytics cloudera apache hdfs mapreduce)