Collectd Table 1. Collectd configuration file overview File Description Reload Event Restart Required collectd-configuration.xml This file defines which collections are being collected and assigned to which nodes. A reload command changed configuration parameters of existing monitors. yes yes jdbc-datacollection-config.xml Defines JDBC data collections. Attributes are retrieved using SQL queries. no yes http-datacollection-config.xml Defines HTTP data collections. Attributes are extracted from the HTTP responses using a regular expression. no yes xml-datacollection-config.xml Defines data collections that can be extracted from XML or JSON documents. no yes Alarmd Discovery