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From Adrien Mogenet <adrien.moge...@gmail.com>
Subject Re: Online Schema Changes
Date Thu, 31 Oct 2013 10:14:13 GMT
Is it safe to turn it on for a "single-admin" cluster? I guess it's off to
prevent from concurrent changes...


On Tue, Oct 29, 2013 at 5:29 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> In 0.96.0 and 0.94 the feature is disabled by default.
>
>   <property>
>     <name>hbase.online.schema.update.enable</name>
>     <value>false</value>
>
>
> On Tue, Oct 29, 2013 at 9:20 AM, Chetan <chetan.kadam@gmail.com> wrote:
>
> > Oops .. I mean to say, I saw some post about this feature being disabled
> by
> > default in 0.94
> >
> >
> > On Tue, Oct 29, 2013 at 12:20 PM, Chetan <chetan.kadam@gmail.com> wrote:
> >
> > > We are currently doing a prototype using 0.94.x.  Is this feature
> > > supported in 0.94.x ?   I saw some post about this feature being
> disabled
> > > by default in 0.96
> > >
> > >
> > > On Tue, Oct 29, 2013 at 12:15 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > >
> > >> Are you using HBase 0.94.x or 0.96.0 ?
> > >>
> > >> In 0.96.0 online schema change is supported.
> > >>
> > >>
> > >> On Tue, Oct 29, 2013 at 9:09 AM, Chetan <chetan.kadam@gmail.com>
> wrote:
> > >>
> > >> > Is it possible to make schema changes to HBase Table without having
> to
> > >> > explicitly disable the Table ?  ( I want to add new Column Family
to
> > >> > existing table).
> > >> >
> > >> > Thanks, Chetan
> > >> >
> > >>
> > >
> > >
> > >
> > > --
> > > - Chetan
> > > http://about.me/chetan.kadam
> > >
> >
> >
> >
> > --
> > - Chetan
> > http://about.me/chetan.kadam
> >
>



-- 
Adrien Mogenet
http://www.borntosegfault.com

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