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https://issues.apache.org/jira/browse/HADOOP-2404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12553467
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Konstantin Shvachko commented on HADOOP-2404:
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> But not destabilizing.
It is destabilizing for most of the patches currently submitted.
> That I don't see. Won't we still want all of these methods in the next
> release?
I am not sure we will need then in this form.
# I'd prefer to have a separate configuration class per component combining its
configuration logic rather than having
static methods all around, but I'd rather continue this discussion in the other
issue.
# I'd prefer to have (a) explicit and (b) deprecated methods for conversion in
order to make it clear, (a) which parameters
are backward compatible now, and (b) that the feature is not going to be
supported forever.
> HADOOP-2185 breaks compatibility with hadoop-0.15.0
> ---------------------------------------------------
>
> Key: HADOOP-2404
> URL: https://issues.apache.org/jira/browse/HADOOP-2404
> Project: Hadoop
> Issue Type: Bug
> Components: conf
> Affects Versions: 0.16.0
> Reporter: Arun C Murthy
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.16.0
>
> Attachments: ConfigurationConverter.patch
>
>
> HADOOP-2185 removed the following configuration parameters:
> {noformat}
> dfs.secondary.info.port
> dfs.datanode.port
> dfs.info.port
> mapred.job.tracker.info.port
> tasktracker.http.port
> {noformat}
> and changed the following configuration parameters:
> {noformat}
> dfs.secondary.info.bindAddress
> dfs.datanode.bindAddress
> dfs.info.bindAddress
> mapred.job.tracker.info.bindAddress
> mapred.task.tracker.report.bindAddress
> tasktracker.http.bindAddress
> {noformat}
> without a backward-compatibility story.
> Lots are applications/cluster-configurations are prone to fail hence, we need
> a way to keep things working as-is for 0.16.0 and remove them for 0.17.0.
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