Difference between revisions of "EPSCI SRO Meeting May 4, 2020"

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(Created page with "=== Connection Info: === This meeting scheduled via MS Teams. Join link should be in your calendar. <!-----------------------------------------------------------------------...")
 
 
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=== Minutes: ===
 
=== Minutes: ===
  
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''TBD''
+
Attendees: David L., Carl T., Jie C., Nathan B., Vardan G., Chris L., Graham H., David A.
  
−
<!--  Attendees: David L., Carl T., Jie C., Nathan B., Vardan G., Chris L. -->
+
'''SRO Workshop'''
 +
* 5 SRO software related talks from JLab
 +
* Carl will include some data formatting from Graham's [https://www.cia.gov/index.html secret] document
 +
 
 +
'''Hall-B Testbed'''
 +
* VTP can output 4 x 10Gbps streams (must be >=4 streams)
 +
* Currently only 3 streams active in second testbed that Vardan is using
 +
* Dave A.: Need some type of sync event/time frame
 +
 
 +
'''TriDAS'''
 +
* Chris compiled on desktop and started investigating code
 +
* Design drops frames if problem keeping up with rate
 +
* Simulator crashes (not sure why yet)
 +
* Uses BOOST heavily
 +
* Still unclear extent of adaptability
 +
** parallelize single task?
 +
* System design has "Towers", "floors", and "sectors" integrated throughout design.
 +
* Uses ssh to start remote processes
 +
 
 +
'''ADIOS Testing'''
 +
* Indra seemed to limit to 1 Gbps
 +
* Tried "blaster" (28 yo code) - same rate
 +
** played with TCP buffer size and got up to 4 Gbps (though not stable)
 +
* Graham's update software got ~4 Gbps per link
 +
* Limit on indra machines buffer size
 +
* Adjusted Linux settings and got up to 5 Gbps
 +
** Full bandwidth with multiple links
 +
** (What are gluons set to?)
 +
** Dave A. will talk to Bryan H. about setting switches to support jumbo frames
 +
 
 +
'''Specs Document'''
 +
* Need to start a specifications document for what JLab SRO projects will require
 +
* Vardan will create shared document so all can start to contribute

Latest revision as of 12:34, 11 May 2020

Connection Info:

This meeting scheduled via MS Teams. Join link should be in your calendar.


Agenda:

  1. Previous Meeting
  2. Announcements
  3. Workshop May 13-15
  4. EIC YR meeting last Wed.
  5. Status of stand-alone TriDAS
  6. Status of ADIOS Testing
  7. Use of Hall-B testbeds
  8. Status of WMS design
  9. AOT

Useful References

Minutes:

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

SRO Workshop

  • 5 SRO software related talks from JLab
  • Carl will include some data formatting from Graham's secret document

Hall-B Testbed

  • VTP can output 4 x 10Gbps streams (must be >=4 streams)
  • Currently only 3 streams active in second testbed that Vardan is using
  • Dave A.: Need some type of sync event/time frame

TriDAS

  • Chris compiled on desktop and started investigating code
  • Design drops frames if problem keeping up with rate
  • Simulator crashes (not sure why yet)
  • Uses BOOST heavily
  • Still unclear extent of adaptability
    • parallelize single task?
  • System design has "Towers", "floors", and "sectors" integrated throughout design.
  • Uses ssh to start remote processes

ADIOS Testing

  • Indra seemed to limit to 1 Gbps
  • Tried "blaster" (28 yo code) - same rate
    • played with TCP buffer size and got up to 4 Gbps (though not stable)
  • Graham's update software got ~4 Gbps per link
  • Limit on indra machines buffer size
  • Adjusted Linux settings and got up to 5 Gbps
    • Full bandwidth with multiple links
    • (What are gluons set to?)
    • Dave A. will talk to Bryan H. about setting switches to support jumbo frames

Specs Document

  • Need to start a specifications document for what JLab SRO projects will require
  • Vardan will create shared document so all can start to contribute
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