hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Murali <gm...@yahoo.com>
Subject Re: adding column family to hbase table
Date Tue, 30 Oct 2012 17:24:16 GMT
Thanks Kevin !!!






>________________________________
> From: Kevin O'dell <kevin.odell@cloudera.com>
>To: user@hbase.apache.org 
>Sent: Tuesday, October 30, 2012 12:54 PM
>Subject: Re: adding column family to hbase table
> 
>Mike,
>
>  I don't have the code handy, but you are going to need to put that in xml
>format
><property>
><name> </name>
><value> </value>
></property>
>
>On Tue, Oct 30, 2012 at 11:46 AM, Mike <mike20007@gmail.com> wrote:
>
>> Awesome!
>> So, I set it like the below in CM4.
>>
>> hbase.online.schema.update.enable=true
>>
>>
>> Thanks
>>
>>
>> On Tue, Oct 30, 2012 at 12:01 PM, Kevin O'dell <kevin.odell@cloudera.com>
>> wrote:
>> > Mike,
>> >
>> >   You would use the safety valve.
>> >
>> > On Tue, Oct 30, 2012 at 10:52 AM, Mike <mike20007@gmail.com> 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 <
>> kevin.odell@cloudera.com>
>> >> wrote:
>> >> > Mike,
>> >> >
>> >> >   It would be in your hbase-site.xml.
>> >> >
>> >> > Michael,
>> >> >
>> >> >   I agree.
>> >> >
>> >> > On Tue, Oct 30, 2012 at 10:22 AM, Michael Segel
>> >> > <michael_segel@hotmail.com>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 <kevin.odell@cloudera.com>
>> >> >> 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 <mike20007@gmail.com>
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
>>
>
>
>
>-- 
>Kevin O'Dell
>Customer Operations Engineer, Cloudera
>
>
>
Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message