Gyula Fora created FLINK-26370:
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Summary: Make Flink cluster communication asynchronous
Key: FLINK-26370
URL: https://issues.apache.org/jira/browse/FLINK-26370
Project: Flink
Issue Type: Sub-task
Components: Kubernetes Operator
Reporter: Gyula Fora
In the current architecture calls to the flink clusters (through the rest
client) are made synchronously from the reconcile loop.
These calls often take a long time due to various (compeltely normal) reasons:
- Cluster is not ready -> long call + timeoutexception
- Operation takes a long time -> cancel/savepoint operations are often
expected to take seconds/minutes
We should come up with a way to avoid making these sync calls from the main
loop while still preserving the logic of the operator.
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