Ted Yu created SPARK-42090:
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Summary: Introduce sasl retry count in RetryingBlockTransferor
Key: SPARK-42090
URL: https://issues.apache.org/jira/browse/SPARK-42090
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.4.0
Reporter: Ted Yu
Previously a boolean variable, saslTimeoutSeen, was used. However, the boolean
variable wouldn't cover the following scenario:
1. SaslTimeoutException
2. IOException
3. SaslTimeoutException
4. IOException
Even though IOException at #2 is retried (resulting in increment of
retryCount), the retryCount would be cleared at step #4.
Since the intention of saslTimeoutSeen is to undo the increment due to retrying
SaslTimeoutException, we should keep a counter for SaslTimeoutException retries
and subtract the value of this counter from retryCount.
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