Joe McDonnell created IMPALA-8344:
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Summary: Add support for running S3 tests with S3Guard
Key: IMPALA-8344
URL: https://issues.apache.org/jira/browse/IMPALA-8344
Project: IMPALA
Issue Type: Improvement
Components: Infrastructure
Affects Versions: Impala 3.3.0
Reporter: Joe McDonnell
Assignee: Joe McDonnell
Impala s3 tests can encounter failures due to s3's consistency model. S3Guard
adds consistency to s3 operations to avoid these types of failures:
[https://blog.cloudera.com/blog/2017/08/introducing-s3guard-s3-consistency-for-apache-hadoop/]
Adding support to run tests with S3Guard provides a way to limit flakiness, and
it provides coverage for users that would want to use Impala on S3 with S3Guard.
Support will involve adding the appropriate configuration to core-site.xml. In
order to maintain the S3Guard index appropriately, file modifications should go
through HDFS commands rather than boto s3 commands. Finally, to reduce costs,
Impala may want to have a script to purge S3Guard's dynamodb.
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