Thomas Marquardt created HADOOP-15662:
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Summary: ABFS: Better exception handling of DNS errors
Key: HADOOP-15662
URL: https://issues.apache.org/jira/browse/HADOOP-15662
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/azure
Reporter: Thomas Marquardt
DNS errors are common during testing due to typos or misconfiguration. They
can also occur in production, as some transient DNS issues occur from time to
time.
1) Let's investigate if we can distinguish between the two and fail fast for
the test issues, but continue to have retry logic for the transient DNS issues
in production.
2) Let's improve the error handling of DNS failures, so the user has an
actionable error message.
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