Till Rohrmann created FLINK-15791:
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Summary: Don't use ForkJoinPool#commonPool() for executing
asynchronous operations in Fabric8FlinkKubeClient
Key: FLINK-15791
URL: https://issues.apache.org/jira/browse/FLINK-15791
Project: Flink
Issue Type: Sub-task
Components: Deployment / Kubernetes
Affects Versions: 1.10.0
Reporter: Till Rohrmann
Fix For: 1.11.0, 1.10.1
We should not use the {{ForkJoinPool#commonPool()}} in order to run
asynchronous operations in the {{Fabric8FlinkKubeClient}} as it is done
[here|https://github.com/apache/flink/blob/master/flink-kubernetes/src/main/java/org/apache/flink/kubernetes/kubeclient/Fabric8FlinkKubeClient.java#L315].
Since we don't know which other component is using this pool, it can be quite
dangerous to use it as there might be congestion.
Instead, I propose to provide an explicit I/O {{Executor}} which is used for
running asynchronous operations.
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