Shuyan Zhang created SPARK-49300:
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Summary: Fix Hadoop delegation token leak when
tokenRenewalInterval is not set.
Key: SPARK-49300
URL: https://issues.apache.org/jira/browse/SPARK-49300
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.4.3
Reporter: Shuyan Zhang
If tokenRenewalInterval is not set,
HadoopFSDelegationTokenProvider#getTokenRenewalInterval will fetch some tokens
and renew them to get a interval value. These tokens did not call cancel(),
resulting in a large number of existing tokens on HDFS not being cleared in a
timely manner, causing additional pressure on the HDFS server.
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