Cloud Cluster FAQ

Frequently Asked Questions (FAQ) about using the Data-Intensive Cloud Cluster

• Is the data in the cloud cluster backed up? Answer
• What is the "distributed cache" feature provided by Hadoop? and How can my application use it? Answer
• How do I transfer large files between the Cloud Cluster HDFS and a host on campus that is outside the cluster? Answer
• How do I log on to cluster? Answer
• How do I check the quota for my allocated storage? Answer
• What happens when I exceed the allocated storage space? Answer
• How do I configure memory parameters for my mapreduce jobs? Answer
• How do I apply for an account? Answer
• How do I change my password (or login shell)? Answer
• How to submit Hadoop jobs to the Cloud Cluster Answer
• Why is only BASH supported? Answer

Submit a new FAQ and Answer

Note: This creates a new page for a frequently asked question including its corresponding answer. Support questions should be sent to disc-help@ece.cmu.edu.

New FAQ topic: (Use a name in wiki notation)

Additional Documentation

Other places where you can find answers to your questions:

• Hadoop site: http://hadoop.apache.org
• Map / Reduce tutorial: http://hadoop.apache.org/mapreduce/docs/current/mapred_tutorial.html
• Cloudera: programming with Hadoop: http://www.cloudera.com/resource/programming_with_hadoop/
• Cloudera: MapReduce Algorithms: http://www.cloudera.com/resource/mapreduce_algorithms/
• Hadoop wiki
• Presentations about Hadoop at the Hadoop wiki.
• Programming Introduction to Hadoop
• Pig site: http://incubator.apache.org/pig
• Pig wiki: http://wiki.apache.org/pig/