Difference between revisions of "EJFAT Group Meeting Jun. 16, 2022"

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** Look at iperf2 for network testing
 
** Look at iperf2 for network testing
 
** Look at [https://support.mellanox.com/s/article/roce-v2-considerations ROCE] / NIC
 
** Look at [https://support.mellanox.com/s/article/roce-v2-considerations ROCE] / NIC
 +
** [http://www.dpdk.org DPDK] - ESnet reports can stream 100 Gbps using DPDK.
 
** SLURM env for EJFAT VLAN (Hess)
 
** SLURM env for EJFAT VLAN (Hess)
 
** DAQ/VTP Data Generation Test Harness
 
** DAQ/VTP Data Generation Test Harness
 
** Vivado Licesnses for new machines (?) (Singh)
 
** Vivado Licesnses for new machines (?) (Singh)
** ACAT 2022 Abstract
+
** ACAT 2022 - September/Italy - Abstract / Paper
** Back Burner / Downstream:
+
** [https://indico.cern.ch/event/1109460/ RT2022 - August 01-05 Conference]
*** <s>Hall-B FT calorimeter and hodoscope streaming readout test</s> - OBE
+
** RT 2022 Paper
**** <s>May be able to use Abbott's indra-s1 setup</s>
+
* Back Burner / Downstream:
**** <s>May be able to use new VTP f/w with  Hall-B VTP's - (Ben Raydo)</s>
+
** Hall-B FT calorimeter and hodoscope streaming readout test</s> - OBE
**** <s>CODA 3.10 + ERSAP for new VTP f/w</s>
+
*** May be able to use Abbott's indra-s1 setup
**** <s>CODA 2.0 (non-streaming) for old VTP f/w</s>
+
*** May be able to use new VTP f/w with  Hall-B VTP's - (Ben Raydo)
**** <s>[https://jeffersonlab-my.sharepoint.com/:p:/r/personal/goodrich_jlab_org/Documents/EJFAT/hall-b_test.pptx?d=w31891fd52c1a420ea2b29efcdf5f9ed2&csf=1&web=1&e=JGyxHO Diagram]</s>
+
*** CODA 3.10 + ERSAP for new VTP f/w
**** <s>Hall-B to start taking data June 8</s>
+
*** CODA 2.0 (non-streaming) for old VTP f/w
**** <s>Hall B VTPs on .167. subnet</s>
+
*** [https://jeffersonlab-my.sharepoint.com/:p:/r/personal/goodrich_jlab_org/Documents/EJFAT/hall-b_test.pptx?d=w31891fd52c1a420ea2b29efcdf5f9ed2&csf=1&web=1&e=JGyxHO Diagram]
*** [https://www.epj-conferences.org/articles/epjconf/abs/2021/05/epjconf_chep2021_04005/epjconf_chep2021_04005.html HOSS] - June
+
*** Hall-B to start taking data June 8
**** parallelize writing of raw data files
+
*** Hall B VTPs on .167. subnet
**** distribute raw data across multiple compute nodes for calibration skims
+
** [https://www.epj-conferences.org/articles/epjconf/abs/2021/05/epjconf_chep2021_04005/epjconf_chep2021_04005.html HOSS] - June
**** 1 Gbs at hi-luminosity
+
*** parallelize writing of raw data files
**** Hall-D comms with DAQ 109 subnet require network customization; (EJFAT subnet)
+
*** distribute raw data across multiple compute nodes for calibration skims
**** [https://docs.google.com/presentation/d/1m3rFm-1GymYv8zGimlAjL1NmWtXVfyIQdGzhx_j_BKE/edit?usp=sharing  Hall-D EJFAT use case]
+
*** 1 Gbs at hi-luminosity
**** [https://jeffersonlab-my.sharepoint.com/personal/bmorris_jlab_org/Documents/Microsoft%20Teams%20Chat%20Files/JLab%20Network%20-%20HallD-to-EJFAT.png  Hall-D EJFAT Network Diagram]
+
*** Hall-D comms with DAQ 109 subnet require network customization; (EJFAT subnet)
*** [http://www.dpdk.org DPDK] - ESnet reports can stream 100 Gbps using DPDK.
+
*** [https://docs.google.com/presentation/d/1m3rFm-1GymYv8zGimlAjL1NmWtXVfyIQdGzhx_j_BKE/edit?usp=sharing  Hall-D EJFAT use case]
*** IPV6 testing
+
*** [https://jeffersonlab-my.sharepoint.com/personal/bmorris_jlab_org/Documents/Microsoft%20Teams%20Chat%20Files/JLab%20Network%20-%20HallD-to-EJFAT.png  Hall-D EJFAT Network Diagram]
*** [https://indico.cern.ch/event/1109460/ RT2022 - August 01-05 Conference]
+
** IPV6 testing
*** ACAT 2022 Paper
 
*** RT 2022 Paper
 
 
* AOT
 
* AOT
 
<hr>
 
<hr>

Revision as of 14:48, 16 June 2022

The meeting time is 11:00am.

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Agenda:

  • Previous meeting
  • Status:
    • Using ESnet FPGA f/w build 28 April
      • Specs
      • Jumbo Frames
      • arp, ping, ICMP filtering
      • Port entropy
    • Script based LB Control Plane
    • Support C libraries for LB Host Control Plane - in unit test code review legal review
    • ESnet smartnic open-source GitHub repo - in legal review
    • ESnet private, forkable Jlab P4 and simulations GitHub repo - in legal review
    • ERSAP feed end bottleneck needs investigation; Timmer's blaster may provide relief
    • New machines (6) rec'd, installed w/ Ubuntu 20.04 on EJFAT subnet (VLAN 937 172.19.22.0/24)
    • Spare EJFAT equip loaners:
      • (4) DAQ dev machines indra-s[1-3] 129.57.29/109.23[0-2]
        • alkaid: 24 Xeon Gold 3.4 GHz cores, 100Gbs
        • indra-s1: 24 Xeon Gold 3.0 GHz cores, 100Gbs
        • indra-s2: 32 Xeon Gold 3.2 GHz cores, 100Gbs
        • indra-s3: 32 Xeon Gold 2.3 GHz cores, 100Gbs, 750GB ram disk
      • (4) DAQ Farm machines dafarm6[1-4] currently on 129.57.29.17[1-4] - each 32 Xeon 2.0Ghz cores - 1 Gbs NIC + (4) 10Gbs Spare NICs
      • (4) Unbuilt DAQ Farm machines - each 32 Xeon 2.0Ghz cores - 1 Gbs NIC + (4) 10Gbs Spare NICs
      • PR408549 (6) 100Gbs NICs - ETA 1 July
      • PR408870 PR408938 (2) 100Gbs Arista switches, transceivers, cables, etc - ETA 1 July 5 October
  • Next Steps:
    • EJFAT VLAN Checkout
    • Network Performance:
      • FPGA LB Throuput - max sustained 90Gbs
      • Host NICs
      • Host S/W Reassembly - better algorithms, buffering, asynchronicity, etc.
      • EJFAT UDP Transmission Performance
      • Need better parameters for event reassembly/reconstruction
    • Control Plane
      • Will interact with SLURM / Kubernetes
      • Python based (?)
      • Control Plane daemon for compute host (?)
      • Demonstrate CP based flexibility/elasticity
    • Look at iperf2 for network testing
    • Look at ROCE / NIC
    • DPDK - ESnet reports can stream 100 Gbps using DPDK.
    • SLURM env for EJFAT VLAN (Hess)
    • DAQ/VTP Data Generation Test Harness
    • Vivado Licesnses for new machines (?) (Singh)
    • ACAT 2022 - September/Italy - Abstract / Paper
    • RT2022 - August 01-05 Conference
    • RT 2022 Paper
  • Back Burner / Downstream:
    • Hall-B FT calorimeter and hodoscope streaming readout test - OBE
      • May be able to use Abbott's indra-s1 setup
      • May be able to use new VTP f/w with Hall-B VTP's - (Ben Raydo)
      • CODA 3.10 + ERSAP for new VTP f/w
      • CODA 2.0 (non-streaming) for old VTP f/w
      • Diagram
      • Hall-B to start taking data June 8
      • Hall B VTPs on .167. subnet
    • HOSS - June
      • parallelize writing of raw data files
      • distribute raw data across multiple compute nodes for calibration skims
      • 1 Gbs at hi-luminosity
      • Hall-D comms with DAQ 109 subnet require network customization; (EJFAT subnet)
      • Hall-D EJFAT use case
      • Hall-D EJFAT Network Diagram
    • IPV6 testing
  • AOT