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HBase, mail # user - Is downgrade from 0.96.0 to 0.94.6 possible?


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Xiong LIU 2013-08-23, 03:00
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Stack 2013-08-23, 03:28
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Xiong LIU 2013-08-23, 04:58
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Jean-Daniel Cryans 2013-08-23, 16:21
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Re: Is downgrade from 0.96.0 to 0.94.6 possible?
Xiong LIU 2013-08-26, 03:12
Yes, I mean to try it on a test cluster. Thanks for your concern.

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Best Wishes
On Sat, Aug 24, 2013 at 12:21 AM, Jean-Daniel Cryans <[EMAIL PROTECTED]>wrote:

> FYI you'll be in the same situation with 0.95.2, actually worse since it's
> really just a developer preview release.
>
> But if you meant "try" in its strict sense, ie use it on a test cluster,
> then yes please do. The more people we get to try it out the better 0.96.0
> will be.
>
> J-D
>
>
> On Thu, Aug 22, 2013 at 9:58 PM, Xiong LIU <[EMAIL PROTECTED]> wrote:
>
> > Thanks, Stack. I will try 0.95.2 ahead.
> >
> > ----------------------------
> > Best Wishes
> >
> >
> > On Fri, Aug 23, 2013 at 11:28 AM, Stack <[EMAIL PROTECTED]> wrote:
> >
> > > On Thu, Aug 22, 2013 at 8:00 PM, Xiong LIU <[EMAIL PROTECTED]>
> > wrote:
> > >
> > > > We are considering to upgrade our hbase cluster from version 0.94.6
> to
> > > > 0.96.0 once 0.96.0 is out.
> > > >
> > > > I want to know whether any possible failure may happen during the
> > upgrade
> > > > progress, and if it does happen, is it possible to downgrade to
> 0.94.6?
> > > >
> > > >
> > > No.
> > >
> > > We do not have anyone working on making it so you can rollback.
> > >
> > >
> > >
> > >
> > > > Is there any best practice of upgrading 0.94.x to 0.96.0?
> > > >
> > >
> > > Don't be the first (smile).
> > >
> > > Ask later after we get some experience moving folks through the
> upgrade.
> > >  The upgrade process has had little exercise as of this date.
> > >
> > > St.Ack
> > >
> >
>