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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2017/11/15 20:14:03 UTC
[jira] [Updated] (HADOOP-14237) S3A Support Shared Instance Profile
Credentials Across All Hadoop Nodes
[ https://issues.apache.org/jira/browse/HADOOP-14237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran updated HADOOP-14237:
------------------------------------
Parent Issue: HADOOP-14831 (was: HADOOP-13204)
> S3A Support Shared Instance Profile Credentials Across All Hadoop Nodes
> -----------------------------------------------------------------------
>
> Key: HADOOP-14237
> URL: https://issues.apache.org/jira/browse/HADOOP-14237
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.8.0, 3.0.0-alpha1, 3.0.0-alpha2, 2.8.1
> Environment: EC2, AWS
> Reporter: Kazuyuki Tanimura
> Assignee: Kazuyuki Tanimura
>
> When I run a large Hadoop cluster on EC2 instances with IAM Role, it fails getting the instance profile credentials, eventually all jobs on the cluster fail. Since a number of S3A clients (all mappers and reducers) try to get the credentials, the AWS credential endpoint starts responding 5xx and 4xx error codes.
> SharedInstanceProfileCredentialsProvider.java is sort of trying to solve it, but it still does not share the credentials with other EC2 nodes / JVM processes.
> This issue prevents users from creating Hadoop clusters on EC2
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