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Posted to common-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2016/05/06 22:10:12 UTC
[jira] [Commented] (HADOOP-12709) Deprecate s3:// in branch-2,; cut
from trunk
[ https://issues.apache.org/jira/browse/HADOOP-12709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15274816#comment-15274816 ]
Chris Nauroth commented on HADOOP-12709:
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Hello [~liuml07]. Thank you for taking care of this. This looks good overall.
bq. Did I miss anything?
The only missing thing I noticed is that we should remove the {{fs.s3.*}} properties from core-default.xml.
> Deprecate s3:// in branch-2,; cut from trunk
> --------------------------------------------
>
> Key: HADOOP-12709
> URL: https://issues.apache.org/jira/browse/HADOOP-12709
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
> Assignee: Mingliang Liu
> Attachments: HADOOP-12709.000.patch
>
>
> The fact that s3:// was broken in Hadoop 2.7 *and nobody noticed until now* shows that it's not being used. while invaluable at the time, s3n and especially s3a render it obsolete except for reading existing data.
> I propose
> # Mark Java source as {{@deprecated}}
> # Warn the first time in a JVM that an S3 instance is created, "deprecated -will be removed in future releases"
> # in Hadoop trunk we really cut it. Maybe have an attic project (external?) which holds it for anyone who still wants it. Or: retain the code but remove the {{fs.s3.impl}} config option, so you have to explicitly add it for use.
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