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Posted to dev@flink.apache.org by "Matt Pouttu-clarke (JIRA)" <ji...@apache.org> on 2017/06/29 00:57:03 UTC

[jira] [Created] (FLINK-7035) Flink Kinesis connector forces hard coding the AWS Region

Matt Pouttu-clarke created FLINK-7035:
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             Summary: Flink Kinesis connector forces hard coding the AWS Region
                 Key: FLINK-7035
                 URL: https://issues.apache.org/jira/browse/FLINK-7035
             Project: Flink
          Issue Type: Bug
          Components: Kinesis Connector
    Affects Versions: 1.3.1, 1.2.0
         Environment: All AWS Amazon Linux nodes (including EMR) and AWS Lambda functions.
            Reporter: Matt Pouttu-clarke


Hard coding the region frequently causes cross-region network access which can in the worst cases could cause brown-out of AWS services and nodes, violation of availability requirements per region, security and compliance issues, and extremely poor performance for the end user's jobs.  All AWS nodes and services are aware of the region they are running in, please see: 
https://aws.amazon.com/blogs/developer/determining-an-applications-current-region/

Need to change the following line of code to use Regions.getCurrentRegion() rather than throwing an exception.  Also, code examples should be changed to reflect correct practices.
https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/util/KinesisConfigUtil.java#L174



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