hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-14301) Deprecate SharedInstanceProfileCredentialsProvider in branch-2.
Date Wed, 12 Apr 2017 16:58:41 GMT
Chris Nauroth created HADOOP-14301:

             Summary: Deprecate SharedInstanceProfileCredentialsProvider in branch-2.
                 Key: HADOOP-14301
                 URL: https://issues.apache.org/jira/browse/HADOOP-14301
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
            Reporter: Mingliang Liu
            Assignee: Mingliang Liu

[HADOOP-13727] added the {{SharedInstanceProfileCredentialsProvider}}, which effectively reduces
high number of connections to EC2 Instance Metadata Service caused by {{InstanceProfileCredentialsProvider}}.
That patch, in order to prevent the throttling problem, defined new class {{SharedInstanceProfileCredentialsProvider}}
as a subclass of {{InstanceProfileCredentialsProvider}}, which enforces creation of only a
single instance.

Per [HADOOP-13050], we upgraded the AWS Java SDK. Since then, the {{InstanceProfileCredentialsProvider}}
in SDK code internally enforces a singleton. {{SharedInstanceProfileCredentialsProvider}}
can be deprecated as of release 2.9.0.

This message was sent by Atlassian JIRA

To unsubscribe, e-mail: common-dev-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-dev-help@hadoop.apache.org

View raw message