Process Management Working Group - PowerPoint PPT Presentation

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Title:

Process Management Working Group

Description:

Subscription. Request async event notifications. Events are similar to SNMP traps. Value changes ... Subscription. Step 2: Notification(s) EventNotification ... – PowerPoint PPT presentation

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Provided by: paulhha
Learn more at: https://www.csm.ornl.gov
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Transcript and Presenter's Notes

Title: Process Management Working Group


1
Process Management Working Group
  • Monitoring Ideas

2
Three Delivery Models
  • Polling
  • Streaming
  • Subscription

3
Polling
  • One time query
  • Used by tools like ps

4
Polling
5
Streaming
  • Answers same query over-and-over
  • More efficient than repeated polling
  • Query sent only once
  • Can use dedicated resources
  • Might encode updates as deltas
  • Used by tools like top

6
Streaming
7
Streaming
8
Subscription
  • Request async event notifications
  • Events are similar to SNMP traps
  • Value changes
  • Value enters/leaves range
  • Could be one-shot or until-cancelled
  • Assumes persistent control connection
  • Used by tools like shell wait

9
Subscription
10
Subscription
11
Subscription
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