[jira] [Resolved] (SPARK-49300) Fix Hadoop delegation token leak when tokenRenewalInterval is not set.

["Chao Sun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-49300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun resolved SPARK-49300.
------------------------------
    Fix Version/s: 4.0.0
       Resolution: Fixed

Issue resolved by pull request 47800
[https://github.com/apache/spark/pull/47800]

> 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
>            Assignee: Shuyan Zhang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>
> If tokenRenewalInterval is not set, HadoopFSDelegationTokenProvider#getTokenRenewalInterval will fetch some tokens and renew them to get a interval value. These tokens do 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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