3. About me
• Apache Hadoop Committer,
PMC Member, Apache
Member
• Engineer at Cloudera
working on core Hadoop
• Founder of Apache Whirr
• Author of “Hadoop: The
Definitive Guide”
• http://hadoopbook.com
Tuesday, June 5, 2012
13. Node Manager
is a generalized Task Tracker
• Task Tracker
• fixed number of map or reduce
slots
• Node Manager
• containers with variable resource
limits
Tuesday, June 5, 2012