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From Michael Segel <michael_se...@hotmail.com>
Subject Re: adding column family to hbase table
Date Tue, 30 Oct 2012 15:22:25 GMT
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


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