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https://issues.apache.org/jira/browse/FLINK-27333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17525270#comment-17525270
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Sergey Nuyanzin commented on FLINK-27333:
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Isn't this one a duplicate for
https://issues.apache.org/jira/browse/FLINK-27308 ?
> Upgrade flink-filesystems hadoop version to version 3.3.2
> ---------------------------------------------------------
>
> Key: FLINK-27333
> URL: https://issues.apache.org/jira/browse/FLINK-27333
> Project: Flink
> Issue Type: Improvement
> Components: FileSystems
> Affects Versions: 1.14.3
> Reporter: Chinmay Sumant
> Priority: Major
>
> We have a security requirement to client side encrypt flink state for certain
> flink applications that process sensitive data.
> Currently, there is no feature that supports this out of the box on AWS S3
> backend.
> We found that one way to do it is to use flink-s3-fs-hadoop compiled against
> hadoop 3.3.2 for checkpoints as hadoop 3.3.2 provides out of the box AWS
> client side encryption using AWS KMS keys before writing the data to S3.
> (https://issues.apache.org/jira/browse/HADOOP-13887)
> We were able to change the flink-filesystems shaded hadoop version from
> existing 3.2.2 version to version 3.3.2 and compile with minimal code
> changes. The resultant flink-s3-fs-hadoop jar was used in the checkpoint
> plugin path for our flink jobs and worked well for checkpoints/savepoints
> upto 250 GB each with client side encryption using AWS KMS.
> Filing this Jira to request to take these changes upstream and also to check
> if there are concerns with changing the hadoop version that may affect any
> other components since our observations have been limited to plugin jar and
> checkpoints using flink-s3-fs-hadoop filesystem.
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