Chris Nauroth created HADOOP-13451:
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Summary: S3Guard: Implement access policy using metadata store as
source of truth.
Key: HADOOP-13451
URL: https://issues.apache.org/jira/browse/HADOOP-13451
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Reporter: Chris Nauroth
Priority: Minor
Implement an S3A access policy that provides strong consistency and improved
performance by using the metadata store as the source of truth for metadata
operations. In many cases, this will allow S3A to short-circuit calls to S3.
Assuming shorter latency for calls to the metadata store compared to S3, we
expect this will improve overall performance. With this policy, a client may
not be capable of reading data loaded into an S3 bucket by external tools that
don't integrate with the metadata store. Users need to be made aware of this
limitation.
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