Can you go into the #cassandra channel and ask your question? See if jeromatron or driftx are around. That way there can be a back and forth about settings and things.
http://webchat.freenode.net/?channels=#cassandra On Mar 14, 2011, at 10:06 AM, Or Yanay wrote: > Hi All, > > I am trying to write some map-reduce tasks so I can find out stuff like – how > many records have X status? > I am using 0.7.0 and have 5 nodes with ~100G of data on each node. > > I have written the code based on the word_count example and the map-reduce is > running successfully BUT is extremely slow (about 2 hours for the simplest > key count). > > I am now looking to track down the slowness and tune my process, or explore > alternative ways to achieve the same goal. > > Can anyone point me to a way to tune my map-reduce job? > Does anyone have any experience exploring Cassandra data with Hadoop cluster > configuration? ( As suggested > inhttp://wiki.apache.org/cassandra/HadoopSupport#ClusterConfig) > > Thanks, > Orr >
