Collectd

Collects performance management data to persist node metric data over time.

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. Restart is required in case new collectors are created or removed. The reload event loads changed configuration parameters of existing collectors but will not load new collectors.	yes	yes
datacollection-config.xml	Defines data collections via SNMP. Configuration is reprocessed when the file is modified.	no	no
datacollection/*.xml	Defines data collections via SNMP. Files in this folder must be specified as an include directive in `datacollection-config.xml`.	no	no
jdbc-datacollection-config.xml	Defines JDBC data collections. Attributes are retrieved using SQL queries.	no	yes
jmx-datacollection-config.xml	Defines data collections via JMX.	no	yes
jmx-datacollection-config.d/*.xml	Defines data collections via JMX.	no	yes
http-datacollection-config.xml	Defines HTTP data collections. Attributes are extracted from the HTTP responses using a regular expression.	no	yes
prometheus-datacollection-config.xml	Defines data collections via Prometheus Exporter.	no	yes
prometheus-datacollection.d/*.xml	Defines data collections via Prometheus Exporter.	no	yes
snmp-config.xml	Defines per-host security settings for SNMP communication.	no	no
wmi-config.xml	Defines per-host security settings for WMI communication.	no	no
wmi-datacollection-config.xml	Defines data collections via WMI.	no	yes
wsman-config.xml	Defines per-host security settings for WSMAN communication.	no	no
wsman-datacollection-config.xml	Defines data collections via WSMAN.	no	yes
wsman-datacollection.d/*.xml	Files in this folder must be specified as an include directive in `wsman-datacollection-config.xml`.	no	yes
xml-datacollection-config.xml	Defines data collections that can be extracted from XML or JSON documents.	no	yes
xml-datacollection/*.xml	Files in this folder must be specified as an include directive in `xml-datacollection-config.xml`.	no	yes

Table 2. Collectd log file overview
File	Description
collectd.log	Logs relating to collector server events.
instrumentation.log	Collection statistics used to populate the Instrumentation Log Reader in the web UI admin section.