Adam Antal created YUNIKORN-117:
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Summary: Create event cache for queue and application events
Key: YUNIKORN-117
URL: https://issues.apache.org/jira/browse/YUNIKORN-117
Project: Apache YuniKorn
Issue Type: Sub-task
Components: core - cache, core - scheduler
Reporter: Adam Antal
Assignee: Adam Antal
Create a simple preliminary implementation of the event cache of YUNIKORN-42.
We have the following limited scope for this task:
- implement it as a separate process from the scheduler (similar to
{{PartitionManager}})
- only deal with queues and applications (the pods and nodes can be added later)
- only store the apps last visited time from the scheduler
- clean up those objects that haven't been visited in the last 24h
Other cache implementations can be also considered.
As a starting point, channels are a safe choice to have async communication
with the scheduler without expecting bigger performance loss.
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