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The following page has been changed by BrianBockelman: http://wiki.apache.org/hadoop/GangliaMetrics ------------------------------------------------------------------------------ * The gmetad server * Localhost - If you support multiple clusters you may wish to add data source lines for each cluster: + If you support multiple clusters, you may want to have Hadoop show up as a separate cluster. Add a data source lines for each cluster: - In the gmetad.conf http://www.ibm.com/developerworks/wikis/display/WikiPtype/ganglia file add a data_source of the form + In the gmetad.conf file, add a data_source of the form + {{{ data_source "@MyHadoopCluster@" @GANGLIA@:8649 + }}} + Source: http://www.ibm.com/developerworks/wikis/display/WikiPtype/ganglia - Be aware that versions 0.18.1 and prior need to be patched in order to get Ganglia working; refer to [https://issues.apache.org/jira/browse/HADOOP-3422 JIRA issue 3422]. + Be aware that versions 0.18.1, 0.19.0, and prior need to be patched in order to get Ganglia working; refer to [https://issues.apache.org/jira/browse/HADOOP-3422 JIRA issue 3422]. + Additionally, the Ganglia protocol change significantly between Ganglia 3.0 and Ganglia 3.1 (i.e., Ganglia 3.1 is not compatible with Ganglia 3.0 clients). This caused Hadoop to not work with Ganglia 3.1; there is currently a patch available for this, [https://issues.apache.org/jira/browse/HADOOP-4675 HADOOP-4675]. +
