What are the different configuration files in Hadoop ?
| Configuration Filenames | Description Of Log Files |
|---|---|
| hadoop-env.sh | Environment variables that are used in the scripts to run Hadoop |
| core-site.xml | Configuration settings for Hadoop Core such as I/O settings that are common to HDFS and MapReduce. |
| hdfs-site.xml | Configuration setting for HDFS daemons, the namenode, the secondary namenode and the data nodes. |
| mapred-site.xml | Configuration settings for MapReduce daemons : the job –tracker and the task-trackers. |
| yarn-site.xml | Configuration settings for ResourceManager and NodeManager. |
| masters | A list of machines(one per line) that each run a secondary namenode |
| slaves | A list of machines(one per line) that each run a datanode and a task-trackers |