================================================================================ README ================================================================================ Chukwa includes configuration files for components installed on: > The Chukwa hadoop cluster (CC) > The monitored source nodes (SN) > The monitored source nodes set up as a hadoop cluster (SN-C) To modify a configuration file, copy, rename, and edit the *.template file. For example: > Copy chukwa-collector-conf.xml.template to a file named chukwa-collector-conf.xml > Edit chukwa-collector-conf.xml to include the cluster/group name for the source nodes See the Chukwa Administration Guide for more information. ================================================================================ Configuration File (CC) ================================================================================ alert.template > Modify? yes, optional > The email address for Chukwa alerts. -------------------------------------------- chukwa-collector-conf.xml.template > Modify? yes > The name node address, used by collectors to write data to HDFS > eg: write.hdf.filesystem = hdfs://localhost:9000/ -------------------------------------------- nagios.properties.template > Modify? yes, optional > Nagio server that receives NSCA alert > eg: log4j.appender.NAGIOS.Host=nagios.example.com -------------------------------------------- aggregator.sql > Modify? no > SQL load scripts. -------------------------------------------- chukwa-demux-conf.xml > Modify? no (When available, check the Programmers Guide for more info) > Chukwa demux settings -------------------------------------------- chukwa-log4j.properties > Modify? no > Logging for Chukwa cluster (Data Processor nodes). -------------------------------------------- commons-logging.properties > Modify? no > Internal log properties. -------------------------------------------- database_create_tables.sql > Modify? no > SQL load scripts. -------------------------------------------- log4j.properties > Modify? no (When available, check the Programmers Guide for more info) > Logging for streaming, bundle with your streaming program. -------------------------------------------- mdl.xml > Modify? no (When available, check the Programmers Guide for more info) > Chukwa metrics data loader (MDL) settings. ================================================================================ Configuration File (CC, SN) ================================================================================ chukwa-env.sh.template > Modify? yes > Environment variables. -------------------------------------------- default.properties > Modify? no > Default settings. -------------------------------------------- build.properties > Modify? yes, optional > Override default settings using this file. ================================================================================ Configuration File (SN) ================================================================================ agents.template > Modify? yes > A list of hosts running the Chukwa agent. -------------------------------------------- chukwa-agent-conf.xml.template > Modify? yes > The cluster/group name for the source nodes > eg: chukwaAgent.tags, cluster="xyz" -------------------------------------------- collectors.template > Modify? yes > A list of hosts running the Chukwa collector > eg: http://locahost:8080/ -------------------------------------------- initial_adaptors.template > Modify? yes, optional (When available,check the Programmers Guide for more info) > A list of adaptors. -------------------------------------------- system-data-loader.properties > Modify? no > Metrics for streaming. ================================================================================ Configuration File (CC, SN-C) ================================================================================ hadoop-log4j.properties > Modify? no > Logging for Chukwa cluster (Name Node, Task Tracker, Job Tracker nodes). > Logging for source nodes, if set up as a Hadoop cluster (same as above). -------------------------------------------- hadoop-metrics-log4j.properties > Modify? no > Metrics logging for Chukwa cluster. > Metrics logging for source nodes, if set up as a Hadoop cluster. -------------------------------------------- hadoop-metrics.properties.template > Modify? no > Sample metrics for Chukwa cluster. > Sample metrics for source nodes, if set up as a Hadoop cluster.