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https://issues.apache.org/jira/browse/HADOOP-16875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rafael Acevedo updated HADOOP-16875:
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Attachment: image-2020-02-21-14-02-23-866.png
> S3Guard: add support for other MetadataStores
> ---------------------------------------------
>
> Key: HADOOP-16875
> URL: https://issues.apache.org/jira/browse/HADOOP-16875
> Project: Hadoop Common
> Issue Type: Wish
> Affects Versions: 3.2.1
> Reporter: Rafael Acevedo
> Priority: Major
> Attachments: image-2020-02-21-14-02-23-866.png
>
>
> Hi all,
>
> Are there any plans to add other MetadataStore implementations for S3Guard?
> DynamoDB costs are too high when the read capacity/write capacity are high.
>
> Maybe a Postgres/MySQL implementation is simple enough to implement and offer
> strong consistency.
> Another idea is to implement a Cassandra/Scylla MetadataStore(for better
> write scalability), but we should pay attention to consistency.
>
> Any thoughts?
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