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Upgrade/Reconfiguration today without changes to collectd
Upgrade or reconfiguration changes to the collectd daemon on the fly can be done today through the use of containers - whereby you would always spin up collectd in a container context, and when you want to reconfigure the agent, you spin up a new instance of collectd with the new configuration and you terminate the older instance of collectd (in the other container). some consideration needs to be given for configuration of the collectd socket between instances and other configurable parameters that might be shared between multiple instances