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HDFS, mail # dev - Deprecate BackupNode


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Suresh Srinivas 2013-12-04, 23:06
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Todd Lipcon 2013-12-04, 23:14
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Jing Zhao 2013-12-04, 23:25
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Eli Collins 2013-12-05, 01:04
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Colin McCabe 2013-12-06, 00:20
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Chris Nauroth 2013-12-06, 00:56
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Vinayakumar B 2013-12-06, 03:30
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Re: Deprecate BackupNode
Konstantin Shvachko 2013-12-08, 21:06
I explained my reasoning in the jira
https://issues.apache.org/jira/browse/HDFS-4114?focusedCommentId=13841326&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13841326

And would like to ask people to hold off removing BN from trunk just yet.
I see it beneficial for everybody - at least business-wise.
I offered my help working on any related issues.

Thanks,
--Konst
On Wed, Dec 4, 2013 at 3:06 PM, Suresh Srinivas <[EMAIL PROTECTED]>wrote:

> It is almost an year a jira proposed deprecating backup node -
> https://issues.apache.org/jira/browse/HDFS-4114.
>
> Maintaining it adds unnecessary work. As an example, when I added support
> for retry cache there were bunch of code paths related to backup node that
> added unnecessary work. I do not know of anyone who is using this.
>
> If there are no objections, I want to deprecate that code in 2.3 release
> and remove it from trunk. I will start this work next week.
>
> Regards,
>
> Suresh
>
>
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Suresh Srinivas 2013-12-09, 00:43