What Is Configuration Of A Typical Slave Node On Hadoop Cluster? How

1.	What Is Configuration Of A Typical Slave Node On Hadoop Cluster? How Many Jvms Run On A Slave Node?
Answer» Single instance of a Task Tracker is run on each Slave node. Task tracker is run as a SEPARATE JVM PROCESS. Single instance of a DataNode daemon is run on each Slave node. DataNode daemon is run as a separate JVM process. One or Multiple instances of Task Instance is run on each slave node. Each task instance is run as a separate JVM process. The number of Task instances can be CONTROLLED by configuration. Typically a HIGH end machine is configured to run more task instances.

What Is Configuration Of A Typical Slave Node On Hadoop Cluster? How Many Jvms Run On A Slave Node?

Answer»

Single instance of a Task Tracker is run on each Slave node. Task tracker is run as a SEPARATE JVM PROCESS.
Single instance of a DataNode daemon is run on each Slave node. DataNode daemon is run as a separate JVM process.
One or Multiple instances of Task Instance is run on each slave node. Each task instance is run as a separate JVM process. The number of Task instances can be CONTROLLED by configuration. Typically a HIGH end machine is configured to run more task instances.