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From Hanish Bansal <hanish.bansal.agar...@gmail.com>
Subject Re: HBase Upgrade
Date Thu, 04 Jul 2013 17:06:24 GMT
Hi Jean-Marc,

So I can assume that
Rolling upgrade of all nodes from 0.94.6 to 0.94.8 will not cause any data
inconsistency.
Also there will no java api changes between HBase minor releases

Am i right?


On Thu, Jul 4, 2013 at 8:09 PM, Jean-Marc Spaggiari <jean-marc@spaggiari.org
> wrote:

> Hi Hanish,
>
> Clients and servers calls between HBase minor releases are supposed to
> be compatible.
>
> If you want to upgrade all your nodes from 0.94.6 to 0.94.8 (or 0.94.9
> if you wait few days) simply deploy the new jars and do a
> rolling-restart
>
> JM
>
> 2013/7/4 Hanish Bansal <hanish.bansal.agarwal@gmail.com>:
> > Hi
> >
> > I am using HBase-*0.94.6*.
> >
> > I am targeting recent stable release *0.94.7 or 0.94.8*.
> >
> >
> > On Thu, Jul 4, 2013 at 2:13 PM, Jean-Marc Spaggiari <
> jean-marc@spaggiari.org
> >> wrote:
> >
> >> Hi Hanish,
> >>
> >> Which version are you using, and which version are you targeting?
> >>
> >> That will change the responses we will provide you...
> >>
> >> JM
> >>
> >> 2013/7/4 Hanish Bansal <hanish.bansal.agarwal@gmail.com>:
> >> > Hi All,
> >> >
> >> > I am using HBase in distributed mode. A number of master and
> regionserver
> >> > nodes are running on different machines.
> >> >
> >> > Now i want to upgrade HBase version to recent stable release.
> >> >
> >> > My main purpose is to upgrade HBase without shutting down whole
> cluster.
> >> >
> >> > I want to know if on one machine i upgrade HBase and on another
> machines
> >> > old HBase version are running. Will it create any problem?
> >> >
> >> > If i upgrade whole cluster to new HBase version then will it be
> >> consistent
> >> > with previous data?
> >> >
> >> > --
> >> > *Thanks & Regards*
> >> > *Hanish Bansal*
> >>
> >
> >
> >
> > --
> > *Thanks & Regards*
> > *Hanish Bansal*
>



-- 
*Thanks & Regards*
*Hanish Bansal*

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