Behavior for flink job running on K8S failed after
I have a flink cluster (per job mode) running on kubernetes. The job is
configured with restart strategy
restart-strategy.fixed-delay.attempts: 3restart-strategy.fixed-delay.delay: 10 s
So after 3 times retry, the job will be marked as FAILED, hence the pods are not running. However, kubernetes will then restart the job again as the available replicas do not match the desired one.
I wonder what are the suggestions for such a scenario? How should I configure the flink job running on k8s? *来自志愿者整理的flink邮件归档
写回答
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how are you deploying Flink exactly? Are you using the application mode with native K8s support to deploy a cluster [1] or are you manually deploying a per-job mode [2]?
I believe the problem might be that we terminate the Flink process with a non-zero exit code if the job reaches the ApplicationStatus.FAILED [3].
cc Yang Wang have you observed a similar behavior when running Flink in per-job mode on K8s?
[1] https://ci.apache.org/projects/flink/flink-docs-release-1.11/ops/deployment/native_kubernetes.html#flink-kubernetes-application [2] https://ci.apache.org/projects/flink/flink-docs-release-1.11/ops/deployment/kubernetes.html#job-cluster-resource-definitions [3] https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/clusterframework/ApplicationStatus.java#L32
*来自志愿者整理的flink
2021-12-08 11:19:25赞同 展开评论 打赏
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