DataStax Enterprise 2.2 Documentation

Locations of Files

This section lists the locations of configuration files, packaged install directories, and tarball install directories.

Locations of Configuration Files

The configuration files, such as cassandra.yaml, are located in the following directories:

  • DataStax Enterprise packaged installs: /etc/dse/cassandra
  • DataStax Enterprise binary installs: <install_location>/resources/cassandra/conf

Packaged Install Locations

The DataStax Enterprise CentOS/RHEL/Oracle Linux and Debian/Ubuntu packages are installed into the following directories:

Cassandra Directories

  • /var/lib/cassandra (Cassandra and CassandraFS data directories)
  • /var/log/cassandra
  • /var/run/cassandra
  • /usr/share/dse/cassandra (Cassandra environment settings)
  • /usr/share/dse/cassandra/lib
  • /usr/share/dse-demos (Portfolio, Solr, Sqoop)
  • /usr/bin
  • /usr/sbin
  • /etc/dse/cassandra (Cassandra configuration files)
  • /etc/init.d
  • /etc/security/limits.d
  • /etc/default/

Hadoop Directories

  • /usr/share/dse/hadoop (Hadoop environment settings)
  • /etc/dse/hadoop (Hadoop configuration files)

Hive Directories

  • /usr/share/dse/hive (Hive environment settings)
  • /etc/dse/hive (Hive configuration files)

Mahout Directories

  • /usr/share/dse/mahout (Mahout properties files)
  • /etc/dse/mahout (Mahout JAR files)

Pig Directories

  • /usr/share/dse/pig (Pig environment settings)
  • /etc/dse/pig (Pig configuration files)

Solr Directories

  • /usr/share/dse-demos (Search - Wikipedia demo)

Sqoop Directories

  • /usr/share/dse/sqoop (Sqoop environment settings)
  • /etc/dse/sqoop
  • /usr/share/dse-demos (Sqoop demo)

Log4j Directories

  • /etc/dse/log4j (log4j configuration file)
  • /usr/share/dse-demos (Log Search demo)

DataStax OpsCenter Directories

  • /var/lib/opscenter (SSL certificates for encrypted agent/dashboard communications)
  • /var/log/opscenter (log directory)
  • /var/run/opscenter (runtime files)
  • /usr/share/opscenter (JAR, agent, web application, and binary files)
  • /etc/opscenter (configuration files)
  • /etc/init.d (service startup script)
  • /etc/security/limits.d (OpsCenter user limits)

Binary Tarball Install Locations

The tar installation creates the following directories in the <install_location> directory:

DataStax Enterprise Directories

  • bin (DataStax Enterprise start scripts)
  • demos (Portfolio Manager Demo)
  • interface
  • javadoc
  • lib
  • resources/cassandra/bin (Cassandra utilities)
  • resources/cassandra/conf (Cassandra configuration files)
  • resources/hadoop (Hadoop installation)
  • resources/hive (Hive installation)
  • resources/log4j-appender (log4j logging)
  • resources/mahout (mahout installation)
  • resources/pig (Pig installation)
  • resources/solr (Solr installation)
  • resources/sqoop (Sqoop installation)