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HBase, mail # user - adding column family to hbase table


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Re: adding column family to hbase table
Kevin O'dell 2012-10-30, 16:01
Mike,

  You would use the safety valve.

On Tue, Oct 30, 2012 at 10:52 AM, Mike <[EMAIL PROTECTED]> wrote:

> Thanks Kevin.
>
> I use CM4.0
> Can I set this parameter using CM4.0?
>
> I searched in hbase configuration link. I couldn't locate.
>
> Thanks
>
> On Tue, Oct 30, 2012 at 11:30 AM, Kevin O'dell <[EMAIL PROTECTED]>
> wrote:
> > Mike,
> >
> >   It would be in your hbase-site.xml.
> >
> > Michael,
> >
> >   I agree.
> >
> > On Tue, Oct 30, 2012 at 10:22 AM, Michael Segel
> > <[EMAIL PROTECTED]>wrote:
> >
> >> When I hear experimental and production in the same conversation, I get
> >> shivers up my spine.
> >>
> >> Which release(s) contain this flag?
> >>
> >> On Oct 30, 2012, at 9:35 AM, Kevin O'dell <[EMAIL PROTECTED]>
> >> wrote:
> >>
> >> > Mike,
> >> >
> >> >  I have not messed around with the online schema changes too much.
>  It is
> >> > still experimental, but I think you are looking for:
> >> >
> >> > hbase.online.schema.update.enable
> >> >
> >> > Set true to enable online schema changes. This is an experimental
> >> feature.
> >> > There are known issues modifying table schemas at the same time a
> region
> >> > split is happening so your table needs to be quiescent or else you
> have
> >> to
> >> > be running with splits disabled.
> >> >
> >> > Default: false
> >> >
> >> > On Tue, Oct 30, 2012 at 9:25 AM, Mike <[EMAIL PROTECTED]> wrote:
> >> >
> >> >> Hi All,
> >> >>
> >> >> I use hbase 0.92 and I am trying to add a column family to hbase
> table
> >> >> and I get the below error.
> >> >>
> >> >> ERROR: org.apache.hadoop.hbase.TableNotDisabledException:
> >> >> org.apache.hadoop.hbase.TableNotDisabledException: test
> >> >>
> >> >>
> >> >> After disabling the table, I can add the column family.
> >> >>
> >> >> But in production environment, I will not be able to disable the
> table.
> >> >>
> >> >> Is there a way without disabling table, I can add the column family?
> >> >>
> >> >> Thanks
> >> >>
> >> >>
> >> >
> >> >
> >> > --
> >> > Kevin O'Dell
> >> > Customer Operations Engineer, Cloudera
> >>
> >>
> >
> >
> > --
> > Kevin O'Dell
> > Customer Operations Engineer, Cloudera
>

--
Kevin O'Dell
Customer Operations Engineer, Cloudera