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https://issues.apache.org/jira/browse/FLINK-30975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18041196#comment-18041196
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liting liu commented on FLINK-30975:
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I see the PR [https://github.com/apache/flink/pull/27187] has been raised, look
like related to this.
> Enable AWS SDK V2 Support for Flink's S3 FileSystem Modules
> -----------------------------------------------------------
>
> Key: FLINK-30975
> URL: https://issues.apache.org/jira/browse/FLINK-30975
> Project: Flink
> Issue Type: Improvement
> Reporter: Samrat Deb
> Priority: Minor
> Labels: auto-deprioritized-major, pull-request-available
>
> Currently, *Flink's S3 FileSystem* is limited to using AWS SDK V1. However,
> AWS strongly recommends adopting AWS SDK V2 because it offers significant
> improvements, including better performance, additional features, and extended
> maintenance support. Transitioning to AWS SDK V2 will ensure Flink remains
> aligned with AWS's long-term support strategy and benefits from enhancements
> available in the newer SDK.
> h3. Modules Requiring Updates
> To fully support AWS SDK V2, the following Flink modules need updates:
> # *{{flink-s3-fs-base}}*
> # *{{flink-s3-fs-hadoop}}*
> # *{{flink-s3-fs-presto}}*
> While the *Hadoop module* has already incorporated AWS SDK V2 support, the
> same cannot be said for {*}Presto's S3 FileSystem{*}, which currently lacks
> this capability. This gap creates a blocker for the {{flink-s3-fs-presto}}
> module to adopt AWS SDK V2.
> h3. Options to Enable AWS SDK V2 Support for Flink's S3 FileSystem
> # {*}Copy Presto's S3 FileSystem and Add AWS SDK V2 Support in Flink{*}:
> *
> ** Flink can maintain its own version of Presto's S3 FileSystem, updated to
> support AWS SDK V2.
> ** This approach gives Flink immediate control over the feature but
> increases maintenance overhead as Flink will need to manage updates
> independently if Presto evolves further.
> \{*}2. Update Presto's S3 FileSystem Directly{*}:
> *
> ** Add AWS SDK V2 support to Presto's S3 FileSystem in Presto itself.
> ** Flink can then use the updated Presto version that includes AWS SDK V2
> support.
> ** While this option ensures better collaboration and reuse across projects,
> it depends on the Presto community’s priorities and timelines to accept and
> release these changes.
> \{*}3. Adopt Trino's S3 FileSystem{*}:
> *
> ** Trino's S3 FileSystem already supports AWS SDK V2.
> ** Flink could consider switching from Presto's S3 FileSystem to Trino's
> implementation.
> ** This approach avoids duplicating effort or waiting for Presto's support
> while benefiting from Trino's active maintenance and AWS SDK V2 support.
> However, it may require significant integration work and adjustments in Flink
> to support the Trino S3 FileSystem.
> h3.
> Transitioning to AWS SDK V2 for Flink's S3 FileSystem is essential to align
> with AWS's recommendations and benefit from better support. Among the
> proposed options:
> * The first option offers quick resolution but increases long-term
> maintenance.
> * The second option promotes collaboration but may be slower due to external
> dependencies.
> * The third option is the most efficient in terms of leveraging existing
> work but may require substantial integration effort.
> Choosing the right approach will depend on Flink's priorities, resources, and
> collaboration potential with Presto or Trino.
>
> [changelog-details
> |https://github.com/aws/aws-sdk-java-v2/blob/master/docs/LaunchChangelog.md]
>
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