SRO RTDP Jul. 1, 2024

The current weekly meeting time is every other Monday at 10:00 US/Eastern

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Agenda:

1. Previous Meeting

2. Announcements:

3. CLAS12 packet capture: May 16

   • spreadsheet of runs

4. R&D Projects
   • BDX Experiment
   • Configuration
     • JCedit++
     • rtdp YAML

5. Data Capture and Processing
   • Aggregation/Streaming
     • GlueX
     • CLAS12
     • ePIC

6. Milestone Progress: (Github Project)
   • FY24Q2

   • M05: Create stream splitter program for EVIO or HIPO data formatted files

   • M06: Create stream splitter program for simulated data in PODIO for ePIC

   • M07: Create VTP emulator using files produced by stream splitter

   • M08: Create controller program to synchronize multiple VTP emulators
   • FY24Q3

   • M09: Determine appropriate schema for all aspects of monitoring system

   • M10: Establish databases for monitoring system using existing JLab servers.

   • M11: Integrate Hydra as monitoring component.

7. AOT

---

Minutes

Attendees: David L., Ayan R., Vardan G., Marco B., Jeng T., Cissie M.

• Marco
  • Fabio not available today, but is at JLab and can meet in person
  • They have determined that the Alveo boards are not really suitable for steam processing
    • OS used for them is closed and has restrictions on how algorithms are implemented
    • unable to get improved performance over CPU for applications tested under NP-like conditions
    • Looking at alternatives
  • BDX
    • Met with Thia last week. Project will move forward but they are waiting on formal statement from JLab on commitment
    • Full prototype (electronics) expected by Jan. 25 @ JLab
    • Japan collaboration is working on pre-approval. They have some of their own software they are interested in using (unclear on what functionality it covers)
    • Electronics and staff to support it will be supplied by Hall-B

• Vardan
  • Still working on DPPUI. Nothing new to report
  • Some work done on Data Lake
    • Multiple options tested: Kafka, Redia, xMsg, Chronicle Queues
      • A demo was shown from of each from slowest to fastest
        1. Kafka
        2. xMsg (zmq)
        3. Redis
        4. Chronicle

• Jeng
  • Looked some into network_exporter for Docker
  • May be limited in ability to use in user space. More investigation needed.

• Ayan
  • Working on ACAT2024 proceedings paper
  • Need plots from Dec. 2023 packet capture data

Action Items

1. Finalize ACAT2024 paper