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Posted to user@hbase.apache.org by Ben Cuthbert <be...@ymail.com> on 2011/10/14 10:48:33 UTC

hbase-site.xml property placeholder

All

We are running a large setup for hbase and it would be good to be able to run 1 property file for the whole cluster. so we can can change values
in the hbase-site.xml. Is there a way to have the hbase-site.xml read from the env?

something like

<property>
		<name>hbase.zookeeper.quorum</name>
		<value>${HBASE.SERVER.ZOOKEEPER.QUORUM}</value>
	</property>

Re: hbase-site.xml property placeholder

Posted by Ben Cuthbert <be...@ymail.com>.

Thanks. Sort if figured this out by using some scripts. Basically we use Amazon EC2 for our dev and uat env. And when you stop the service they change the hostnames. 

On 14 Oct 2011, at 18:02, Jean-Daniel Cryans wrote:

> The Configuration class which HBase relies on (just like Hadoop) allows
> variable expansion like described here:
> 
> http://hadoop.apache.org/common/docs/r0.20.204.0/api/org/apache/hadoop/conf/Configuration.html
> 
> Hopefully this can be of help.
> 
> BTW, why do you need different hbase-site.xml files within the same cluster?
> 
> J-D
> 
> On Fri, Oct 14, 2011 at 1:48 AM, Ben Cuthbert <be...@ymail.com> wrote:
> 
>> All
>> 
>> We are running a large setup for hbase and it would be good to be able to
>> run 1 property file for the whole cluster. so we can can change values
>> in the hbase-site.xml. Is there a way to have the hbase-site.xml read from
>> the env?
>> 
>> something like
>> 
>> <property>
>>               <name>hbase.zookeeper.quorum</name>
>>               <value>${HBASE.SERVER.ZOOKEEPER.QUORUM}</value>
>>       </property>
>> 
>>

Re: hbase-site.xml property placeholder

Posted by Jean-Daniel Cryans <jd...@apache.org>.

The Configuration class which HBase relies on (just like Hadoop) allows
variable expansion like described here:

http://hadoop.apache.org/common/docs/r0.20.204.0/api/org/apache/hadoop/conf/Configuration.html

Hopefully this can be of help.

BTW, why do you need different hbase-site.xml files within the same cluster?

J-D

On Fri, Oct 14, 2011 at 1:48 AM, Ben Cuthbert <be...@ymail.com> wrote:

> All
>
> We are running a large setup for hbase and it would be good to be able to
> run 1 property file for the whole cluster. so we can can change values
> in the hbase-site.xml. Is there a way to have the hbase-site.xml read from
> the env?
>
> something like
>
> <property>
>                <name>hbase.zookeeper.quorum</name>
>                <value>${HBASE.SERVER.ZOOKEEPER.QUORUM}</value>
>        </property>
>
>