Maximilian Michels created FLINK-33429:
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Summary: Metric collection during stabilization phase may error
due to missing metrics
Key: FLINK-33429
URL: https://issues.apache.org/jira/browse/FLINK-33429
Project: Flink
Issue Type: Bug
Components: Autoscaler
Affects Versions: kubernetes-operator-1.7.0
Reporter: Maximilian Michels
Assignee: Maximilian Michels
Fix For: kubernetes-operator-1.7.0
The new code for the 1.7.0 release introduces metric collection during the
stabilization phase to allow sampling the observed true processing rate.
Metrics might not be fully initialized during that phase, as evident through
the error metrics. The following error is thrown:
{noformat}
java.lang.RuntimeException: Could not find required metric
NUM_RECORDS_OUT_PER_SEC for 667f5d5aa757fb217b92c06f0f5d2bf2
{noformat}
To prevent these errors shadowing actual errors, we should detect and ignore
this recoverable exception.
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