Top "Namenode" questions

The Hadoop NameNode is the centerpiece of an HDFS file system.

error in namenode starting

When i try to start the hadoop on master node i am getting the following output.and the namenode is …

hadoop namenode
How does Hadoop Namenode failover process works?

Hadoop defintive guide says - Each Namenode runs a lightweight failover controller process whose job it is to monitor its …

hadoop hdfs hadoop2 failover namenode
Hadoop NameNode Ip Address

I'm using Hadoop MapReduce paradigm, and i need to get the NameNode IP address from the DataNode, can any one …

hadoop namenode
Hadoop namenode metadata

I am a bit confused by the Hadoop architecture. What kind of file metadata is stored in Hadoop Namenode? From …

hadoop namenode
Namenode file quantity limit

Any one know how many bytes occupy per file in namenode of Hdfs? I want to estimate how many files …

hadoop namenode
Hadoop Installation Issue on Windows

I have been trying to install Hadoop on Windows 7 for quite sometime now. I am following this blog for instructions. …

windows hadoop namenode