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Re: Hadoop upgrade
Thanks Harsh, if I upgrade the cluster with Apache hadoop can I install or
untar the hadoop stable source folder directly and will this work?

Or do I need to run upgrade and finalizeupgrade commands?

Thanks,
Viswa.J
On Aug 23, 2013 10:26 PM, "Harsh J" <[EMAIL PROTECTED]> wrote:

> CDH4 is perfectly stable and is in use in several production
> installations worldwide.
>
> On Fri, Aug 23, 2013 at 10:19 PM, Viswanathan J
> <[EMAIL PROTECTED]> wrote:
> > Thanks Harsh, I'm looking for stable release.
> >
> > On Aug 23, 2013 10:10 PM, "Harsh J" <[EMAIL PROTECTED]> wrote:
> >>
> >> I'd encourage upgrading to a 2.x distro such as CDH4 instead. The
> >> feature set and performance of 1.x is far too old (2+ years old) now
> >> :)
> >>
> >> On Fri, Aug 23, 2013 at 10:05 PM, Viswanathan J
> >> <[EMAIL PROTECTED]> wrote:
> >> > Hi,
> >> >
> >> > We are planning to upgrade our production hdfs cluster from 1.0.4 to
> >> > 1.2.1
> >> >
> >> > So if I directly upgrade the cluster, it won't affect the edits,
> fsimage
> >> > and
> >> > checkpoints?
> >> >
> >> > Also after upgrade is it will read the blocks, files from the data
> nodes
> >> > properly?
> >> >
> >> > Is the version id conflict occurs with NN?
> >> >
> >> > Do I need lose the data after upgrade?
> >> >
> >> > Thanks in advance.
> >> >
> >> > Appreciate your response.
> >> >
> >> > -Viswa.J
> >> >
> >> > --
> >> >
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> >>
> >>
> >> --
> >> Harsh J
> >>
> >> --
> >>
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>
> --
> Harsh J
>
> --
>
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