Seems reasonable to me. I haven't seen anyone running versions <0.18.3 in the last 2-3 years, and given the growth in Hadoop usage, I'd say 95+% of the user community didn't even start using Hadoop until 0.20.x. 0.18 seems like a reasonable (and still conservative) cut-off point.
-Todd On Fri, Mar 23, 2012 at 4:43 PM, Eli Collins <e...@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 -- Todd Lipcon Software Engineer, Cloudera
