EPSCI SRO Meeting Nov. 14 2022

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Agenda:

  1. Announcements
    1. CHEP 2023
  2. ERSAP planning
    1. Development efforts
      1. Tiered data storage
        1. Redis as a source actor
        2. Data-lake as a source actor
      2. Data stream transport
        1. Implementing Kafka as internal transport
        2. Support for P2P (client-server) communication
      3. Transient data format
        1. Use EVIO-6 as default
        2. Evaluate Apache Arrow as a transient data format
      4. Application graphical designer (on hold)
        1. Extend COOL to describe data-stream processing pipelines
        2. Engine provisioning and deployment improvements
      5. CLI improvements
      6. New language bindings (on hold)
      7. General-purpose data-stream processing engines
      8. Benchmarking and testing
    2. Commissioning and field studies
      1. EIC prototype detector components data stream readout and processing
        1. Upcoming beam tests at the JLAB
          1. TriDAS
          2. Streaming CODA
      2. Prototype GEM detector readout
        1. instructions at SAMPA-SRO
        2. DSPDecoder engine (on hold)
        3. Extending to 10 stream aggregation (designing)
        4. Formatting output data in EVIO-6 (in progress)
        5. ML-based anomaly detection: Adaptive sliding window (ADWIN) algorithm-based actor development (completed, testing)
        6. GEM detector failure. Installing replacement GEM
          1. 512 v.s. 768 strips
          2. Designing and fabricating a new transition board
          3. Transition board maps 480 (fits in 3 FE cards) of the 512 strips
        7. Paper at the CHEP23 (target)
      3. Integration with the streaming CODA data acquisition system.
        1. JCEdit-5.0: CODA COOL streaming front-end
        2. New CODA types: PAAG and SAAG (completed)
        3. AFECS updates to support new CODA types (completed)
        4. CODA connection mechanism to a data-processing pipeline
      4. EJFAT
        1. Port CLAS12 CLARA services into ERSAP (completed)
        2. EJFAT reassemble - ERSAP BE interface (completed)
        3. Successfully run CLAS12 reconstruction application on ejfat-1, streami ng data from ejfat-5
          1. Detected missing events.
          2. Introducing data lake as a stream-source actor
  3. AOT

Useful References

Minutes:

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