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 <[EMAIL PROTECTED]> 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.