JIRIAF Meeting Jan. 25 2024

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Agenda:

• Announcements
• New site for deployments: ORNL.
  • Tomorrow (01.26.24) starts biweekly meetings with ORNL (EJFAT collaboration)
• "Direct" access to Perlmutter cluster login nodes from jiriaf2301-02
• Access granted to the ESnet Perlmutter server from jiriaf2301-02.
  • curl -s -G --data-urlencode 'match[]={__name__=~".+"}' https://prometheus-ejfat.es.net/federate
• NERSC allocation
  • 250-hour allocation on Perlmutter: m4636 project (JIRIAF)
  • 300-hour allocation on Perlmutter: m3792 project (EJFAT-EsNet).
• Abstract submitted to ACAT
• Invitation from Derek to give a talk on JIRIAF at the NERSC Data Day
• Summary of the project's undertakings
  • JFE
    • Forms to submit user workflow requests
      • Login and authentication, Processing type (batch, streaming, opportunistic-streaming, etc.), Docker image location, Resource requirements (core type, core count, memory, disk, time, data provisioning details).
        • Research if k8s provides facilities for this (e.g., k8s dashboard)
  • Visualize Jiriaf database tables.
    • Dynamic updates.
  • JCS and JMS
    • Starting VKs (Jiriaf nodes) through the k8s API management system
    • Jiriaf node naming convention and labeling
    • JCS and Jiriaf database relationship. Tables, such as
      • available resource, user requests, and user workflow status.
      • Examine the site resources database table (constantly updated by SWIF2) and submit SWIF2 requests to launch nodes and allocate/lease resources.
      • JIRIAF k8s cluster autoscaling (with possible AI support)
        • Estimate wait time in the queue before and during the processing (Queueing theory)
    • Defining workflows/pods in the cluster that are unschedulable
    • Communicate with the k8s App server, ensuring submitted jobs are running, updating JIRIAF's available resource DB table.
    • Develop a resource-request matching algorithm that compares user requests with the available resources.
    • Define and suggest metadata structure for requests for accurate matching.
  • JRM
    • Implement a function using ConfigMap configuration to write files in pods.
    • Define mechanisms to act on user workflows, such as reducing previously allocated resources to the user workflow/application.
    • VK hardware monitor server
    • node/vk launch script.
    • Repository for all such scripts and k8s YAML configuration files
• AOT

Useful References

• JIRIAF Meetings
• JIRIAF Channel

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