Difference between revisions of "EPSCI SRO Meeting Mar. 8, 2021"

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# [[EPSCI SRO Meeting Feb. 22, 2021| Previous Meeting]]
 
# [[EPSCI SRO Meeting Feb. 22, 2021| Previous Meeting]]
 
# Announcements
 
# Announcements
 +
#* New EPSCI group member: Michael Goodrich
 
#* The EIC SRO workshop [https://doodle.com/poll/t4acm822pk73xmzi doodle poll]
 
#* The EIC SRO workshop [https://doodle.com/poll/t4acm822pk73xmzi doodle poll]
−
#* [https://www.overleaf.com/project/6021470c7977b7621ddf91a7 EIC Progress Report]
+
#* [https://www.overleaf.com/project/6021470c7977b7621ddf91a7 EIC Progress Report] (due Friday Mar. 5th)
−
#* [https://indico.cern.ch/event/948465/page/21488-bulletin-1 vCHEP2021] (paper submission closes Feb. 28)
 
−
#* EPSCI Streaming Data Scientist new hire: Michael Goodrich starting March 1st.
 
 
# Mailing list?
 
# Mailing list?
 
# ERSAP development
 
# ERSAP development
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=== Minutes: ===
 
=== Minutes: ===
  
 +
Attendees: Mike G., Nathan B., David A., Carl T., Chris L., Jie C., Vardan G., David L.
  
 +
* Send connection information to Dave A. about the FPGA<sup>2</sup> meeting in Wed.
 +
** Discussed existing cards at JLab. Dave A. said one was already in indras2.
  
−
<!-- Attendees: Ed J, David A., Carl T., Chris L., Jie C., Vardan G. -->
+
* Data Lake
 +
** Discussed disk buffering. Chris pointed out that for it to be effective one would need to pre-buffer data and not wait for buffers to fill before trying to write to disk
 +
** Pre-emptive buffering requires all data be written to disk. This would limit the speed of the lake and would wear out the disk pretty quickly.
 +
** Decided it would generally be better to just drop frames in cases when falling behind.
 +
 
 +
* Mailing list
 +
** David L. will check with Marco on status
 +
** Decision on dedicated mailing list for this group will be made and implemented by next meeting (in 2 weeks)
 +
 
 +
* SAMPA
 +
** Is there something we are waiting on Ed for?
 +
*** Ed was expecting some new cards to be delivered that are compatible with the FELIX cards
 +
** Dave A.: Data can be streamed to alkaid
 +
*** Dave A. will check on system and see what needs to be done to get it working again. He feels it worthwhile to have the testbed operational.
 +
** Nothing heard from Holly for a while on her plans for SAMPA. David L. will reach out.
 +
 
 +
* VTP
 +
** Large spikes in frame loss reduced significantly
 +
** Lost frames seem to come in bursts
 +
** New scripts are in place to allow remote control over the trigger rate

Latest revision as of 12:56, 15 March 2021


Connection Info:

The meeting time is 2:00pm.

You can connect using BlueJeans Video conferencing (ID: 680 566 960). (Click "Expand" to the right for details -->):

Meeting URL https://bluejeans.com/680566960?src=join_info

Meeting ID 680 566 960

Want to dial in from a phone?

Dial one of the following numbers: +1.888.240.2560 (US Toll Free) (see all numbers - https://www.bluejeans.com/premium-numbers)

Enter the meeting ID and passcode followed by #

Connecting from a room system? Dial: bjn.vc or 199.48.152.152 and enter your meeting ID & passcode


Agenda:

  1. Previous Meeting
  2. Announcements
  3. Mailing list?
  4. ERSAP development
    • INDRA VTP setup
    • INDRA SAMPA setup
      • Possible use in TDIS/GEM (Holly S.)
      • INDRA-ASTRA (Markus D. + students)
  5. VTP Data Format
  6. CLAS12 TriDAS & ERSAP
  7. AOT

Useful References

Minutes:

Attendees: Mike G., Nathan B., David A., Carl T., Chris L., Jie C., Vardan G., David L.

  • Send connection information to Dave A. about the FPGA2 meeting in Wed.
    • Discussed existing cards at JLab. Dave A. said one was already in indras2.
  • Data Lake
    • Discussed disk buffering. Chris pointed out that for it to be effective one would need to pre-buffer data and not wait for buffers to fill before trying to write to disk
    • Pre-emptive buffering requires all data be written to disk. This would limit the speed of the lake and would wear out the disk pretty quickly.
    • Decided it would generally be better to just drop frames in cases when falling behind.
  • Mailing list
    • David L. will check with Marco on status
    • Decision on dedicated mailing list for this group will be made and implemented by next meeting (in 2 weeks)
  • SAMPA
    • Is there something we are waiting on Ed for?
      • Ed was expecting some new cards to be delivered that are compatible with the FELIX cards
    • Dave A.: Data can be streamed to alkaid
      • Dave A. will check on system and see what needs to be done to get it working again. He feels it worthwhile to have the testbed operational.
    • Nothing heard from Holly for a while on her plans for SAMPA. David L. will reach out.
  • VTP
    • Large spikes in frame loss reduced significantly
    • Lost frames seem to come in bursts
    • New scripts are in place to allow remote control over the trigger rate
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