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https://issues.apache.org/jira/browse/HADOOP-18864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18030204#comment-18030204
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ASF GitHub Bot commented on HADOOP-18864:
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github-actions[bot] closed pull request #5984: HADOOP-18864.Multiple token
access is supported in ha nozk kms environment
URL: https://github.com/apache/hadoop/pull/5984
> Multiple token access is supported in HA noZK KMS environment
> -------------------------------------------------------------
>
> Key: HADOOP-18864
> URL: https://issues.apache.org/jira/browse/HADOOP-18864
> Project: Hadoop Common
> Issue Type: Improvement
> Components: kms
> Affects Versions: 3.3.6
> Reporter: kuper
> Priority: Minor
> Labels: pull-request-available
> Attachments: image-2023-08-24-19-53-24-665.png
>
>
> When there is no configuration of ZooKeeper synchronization for secrets on
> the KMS server (hadoop.kms.authentication.signer.secret.provider is null),
> the YARN MapReduce job fails to run successfully. The reason is that the KMS
> returns an error "invalidToken" as it cannot find the corresponding token in
> the cache.
> !image-2023-08-24-19-53-24-665.png!
> Is it possible to achieve fault tolerance by accessing multiple KMS services
> without configuring zookeeper for synchronization in KMS?
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