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Posted to common-issues@hadoop.apache.org by "Rafael Acevedo (Jira)" <ji...@apache.org> on 2020/02/20 14:28:00 UTC

[jira] [Created] (HADOOP-16875) S3Guard: add support for other MetadataStores

Rafael Acevedo created HADOOP-16875:
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             Summary: 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


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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