gyfora opened a new pull request, #615:
URL: https://github.com/apache/flink-kubernetes-operator/pull/615
## What is the purpose of the change
Fix a minor issue that happens during evaluating empty metrics during
stabilization:
```
023-06-08 09:32:11,288 o.a.f.k.o.a.ScalingMetricCollector [INFO
][default/autoscaling-example] Job updated. Clearing metrics.
2023-06-08 09:32:11,288 o.a.f.k.o.a.ScalingMetricCollector [INFO
][default/autoscaling-example] Skipping metric collection during stabilization
period until 2023-06-08T09:32:24.840Z
2023-06-08 09:32:11,288 o.a.f.k.o.a.JobAutoScalerImpl
[ERROR][default/autoscaling-example] Error while scaling resource
java.util.NoSuchElementException
at java.base/java.util.TreeMap.key(TreeMap.java:1324)
at java.base/java.util.TreeMap.lastKey(TreeMap.java:296)
at
java.base/java.util.Collections$UnmodifiableSortedMap.lastKey(Collections.java:1810)
at
org.apache.flink.kubernetes.operator.autoscaler.ScalingMetricEvaluator.isProcessingBacklog(ScalingMetricEvaluator.java:90)
at
org.apache.flink.kubernetes.operator.autoscaler.ScalingMetricEvaluator.evaluate(ScalingMetricEvaluator.java:68)
at
org.apache.flink.kubernetes.operator.autoscaler.JobAutoScalerImpl.scale(JobAutoScalerImpl.java:117)
at
org.apache.flink.kubernetes.operator.reconciler.deployment.AbstractFlinkResourceReconciler.reconcile(AbstractFlinkResourceReconciler.java:181)
at
org.apache.flink.kubernetes.operator.controller.FlinkDeploymentController.reconcile(FlinkDeploymentController.java:147)
at
org.apache.flink.kubernetes.operator.controller.FlinkDeploymentController.reconcile(FlinkDeploymentController.java:59)
at
io.javaoperatorsdk.operator.processing.Controller$1.execute(Controller.java:138)
at
io.javaoperatorsdk.operator.processing.Controller$1.execute(Controller.java:96)
at
org.apache.flink.kubernetes.operator.metrics.OperatorJosdkMetrics.timeControllerExecution(OperatorJosdkMetrics.java:80)
at
io.javaoperatorsdk.operator.processing.Controller.reconcile(Controller.java:95)
at
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.reconcileExecution(ReconciliationDispatcher.java:139)
at
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleReconcile(ReconciliationDispatcher.java:119)
at
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleDispatch(ReconciliationDispatcher.java:89)
at
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleExecution(ReconciliationDispatcher.java:62)
at
io.javaoperatorsdk.operator.processing.event.EventProcessor$ReconcilerExecutor.run(EventProcessor.java:414)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
```
## Brief change log
- Do not evaluate empty metrics
- Add test
## Verifying this change
Unit test added
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changes to the `CustomResourceDescriptors`:
no
- Core observer or reconciler logic that is regularly executed: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
