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https://issues.apache.org/jira/browse/HDFS-17148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Íñigo Goiri resolved HDFS-17148.
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Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> RBF: SQLDelegationTokenSecretManager must cleanup expired tokens in SQL
> -----------------------------------------------------------------------
>
> Key: HDFS-17148
> URL: https://issues.apache.org/jira/browse/HDFS-17148
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Reporter: Hector Sandoval Chaverri
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> The SQLDelegationTokenSecretManager fetches tokens from SQL and stores them
> temporarily in a memory cache with a short TTL. The ExpiredTokenRemover in
> AbstractDelegationTokenSecretManager runs periodically to cleanup any expired
> tokens from the cache, but most tokens have been evicted automatically per
> the TTL configuration. This leads to many expired tokens in the SQL database
> that should be cleaned up.
> The SQLDelegationTokenSecretManager should find expired tokens in SQL instead
> of in the memory cache when running the periodic cleanup.
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