Platform Historian

A platform historian is a “friendly named” historian on a VOLTTRON instance. It always has the identity (see vip) of platform.historian. A platform historian is made available to a volttron central agent for monitoring of the VOLTTRON instances health and plotting topics from the platform historian. In order for one of the (historians)[Historians] to be turned into a platform historian the identity keyword must be added to it’s configuration with the value of platform.historian. The following configuration file shows a sqlite based platform historian configuration.

    "agentid": "sqlhistorian-sqlite",
    "identity": "platform.historian",
    "connection": {
        "type": "sqlite",
        "params": {
            "database": "~/.volttron/data/platform.historian.sqlite"