Aaron Fabbri created HADOOP-13876:
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Summary: S3Guard: better support for multi-bucket access including
read-only
Key: HADOOP-13876
URL: https://issues.apache.org/jira/browse/HADOOP-13876
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Affects Versions: HADOOP-13345
Reporter: Aaron Fabbri
HADOOP-13449 adds support for DynamoDBMetadataStore.
The code currently supports two options for choosing DynamoDB table names:
1. Use name of each s3 bucket and auto-create a DynamoDB table for each.
2. Configure a table name in the {{fs.s3a.s3guard.ddb.table}} parameter.
One of the issues is with accessing read-only buckets. If a user accesses a
read-only bucket with credentials that do not have DynamoDB write permissions,
they will get errors when trying to access the read-only bucket. This
manifests causes test failures for {{ITestS3AAWSCredentialsProvider}}.
Goals for this JIRA:
- Fix {{ITestS3AAWSCredentialsProvider}} in a way that makes sense for the real
use-case.
- Allow for a "one DynamoDB table per cluster" configuration with a way to
chose which credentials are used for DynamoDB.
- Document limitations etc. in the s3guard.md site doc.
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