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From David Rosenstrauch <dar...@darose.net>
Subject Re: New version/API stable?
Date Fri, 29 May 2009 15:44:01 GMT
Thanks much for the advice, Alex.  Sounds like I'm probably best off 
sticking with 0.18.3 for right now, with an eye on upgrading to 0.20 soon.

Thanks again!

DR

Alex Loddengaard wrote:
> 0.19 is considered unstable by us at Cloudera and by the Y! folks; they
> never deployed it to their clusters.  That said, we recommend 0.18.3 as the
> most stable version of Hadoop right now.  Y! has (or will soon) deploy(ed)
> 0.20, which implies that it's at least stable enough for them to give it a
> go.  Cloudera plans to support 0.20 as soon as a few more bugs get flushed
> out, which will probably happen in its next minor release.
> 
> So anyway, that said, it might make sense for you to start with 0.20.0, as
> long as you understand that the first major release usually is pretty buggy,
> and is basically considered a beta.  If you're not willing to take the
> stability risk, then I'd recommend going with 0.18.3, though the upgrade
> from 0.18.3 to 0.20.X is going to be a headache (APIs changed, configuration
> files changed, etc.).
> 
> Hope this is insightful.
> 
> Alex


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