Ufuk Celebi created FLINK-3182:
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Summary: TaskManagersHandler can block web frontend
Key: FLINK-3182
URL: https://issues.apache.org/jira/browse/FLINK-3182
Project: Flink
Issue Type: Bug
Components: Webfrontend
Affects Versions: 0.10.1
Reporter: Ufuk Celebi
In {{TaskManagersHandler}}:
{code}
Future<Object> future = jobManager.ask(
new JobManagerMessages.RequestTaskManagerInstance(instanceID),
timeout);
TaskManagerInstance instance = (TaskManagerInstance) Await.result(
future,
timeout);
{code}
The default timeout is 10 seconds. Depending on the number of event loop
threads and requests this can block the web server.
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