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From Suresh Srinivas <sur...@hortonworks.com>
Subject Re: Heads up wrt last upgrade-able version on 0.23
Date Sat, 24 Mar 2012 00:09:10 GMT
I am +1 on this. I have been meaning to do this. We can discuss the details on Jira. 

Sent from phone

On Mar 23, 2012, at 4:43 PM, Eli Collins <eli@cloudera.com> wrote:

> Hey gang,
> I filed HDFS-3137 so that the 0.23 releases would only support
> upgrades from Hadoop version 0.18 or later.  People on versions before
> 0.18 (don't think there are many, if any, people running these) would
> have to upgrade to a version like 1.0 and then upgrade again from
> there if they wanted to move to 0.23.  I think that should be fine but
> wanted to call it out here, give people an opportunity to chime in on
> the jira.
> The motivation is that I'd like to do some HDFS cleanup to enable
> another change that would break v0.17 and earlier.
> Thanks,
> Eli

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