The project provides a V4-based middle layer of the EPICS archiver. The new extension addresses several tasks:
- replacement of the original XML-RPC interface with the efficient EPICS V4 protocol
- generalization of the I/O library with a plugin mechanism for supporting new data drivers
- transition to the MongoDB-based indexing service of the Channel Archiver
- integration of historical control data and metadata stores of experimental facilities
Its Python interface is described in the eapy module (https://github.com/epics-extensions/eapy).
- EPICS V4: https://github.com/epics-base
- EPICS V3: http://www.aps.anl.gov/epics/