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Add a reason for preemption #3881

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Add a reason for preemption #3881

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@JamesMurkin JamesMurkin commented Aug 16, 2024

It is now possible to specify a reason for preemption when requesting a preemption via the API, this reason will appear in the public events.

The scheduler will also populate a reason for why the job was preempted

Allowing you to distinguish:

  • If this Preemption was caused by API request
  • If this Preemption was caused by Fair share preemption - and the preempting job id
  • If this Preemption was caused by Urgency based preemption - and the preempting job id(s)
    • We cannot always narrow this down to a single job, so it will be a comma separated list of job ids

This will now be populated with a cause for the job to be preempted

Allowing you to distinguish:
 - If this Preemption was caused by API request
 - If this Preemption was caused by Fair share preemption - and the preempting job id
 - If this Preemption was caused by Urgency based preemption - and the preempting job id(s)
   - We cannot always narrow this down to a single job, so it will be a comma separated list of job ids

Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
@JamesMurkin JamesMurkin added the do-not-merge Do not merge this PR label Aug 16, 2024
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>

# Conflicts:
#	internal/scheduler/common.go
#	internal/scheduler/nodedb/nodedb.go
#	internal/scheduler/scheduler.go
#	internal/scheduler/scheduling/context/pod.go
#	internal/scheduler/scheduling/preempting_queue_scheduler.go
#	internal/server/event/conversion/conversions.go
#	pkg/armadaevents/events.pb.go
#	pkg/armadaevents/events.proto
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
Signed-off-by: JamesMurkin <[email protected]>
@JamesMurkin JamesMurkin changed the title [POC] Add a cause field to JobPreemptedEvent Add a reason for preemption Oct 24, 2024
Signed-off-by: JamesMurkin <[email protected]>
@JamesMurkin JamesMurkin removed the do-not-merge Do not merge this PR label Oct 24, 2024
@JamesMurkin JamesMurkin marked this pull request as ready for review October 24, 2024 14:51
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