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From "Eshcar Hillel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-17294) External Configuration for Memory Compaction
Date Mon, 12 Dec 2016 08:37:58 GMT
Eshcar Hillel created HBASE-17294:
-------------------------------------

             Summary: External Configuration for Memory Compaction 
                 Key: HBASE-17294
                 URL: https://issues.apache.org/jira/browse/HBASE-17294
             Project: HBase
          Issue Type: Sub-task
            Reporter: Eshcar Hillel


We would like to have a single external knob to control memstore compaction.
Possible memstore compaction policies are none, basic, and eager.
This sub-task allows to set this property at the column family level at table creation time:
{code}
create ‘<tablename>’,
   {NAME => ‘<cfname>’, 
    IN_MEMORY_COMPACTION => ‘<NONE|BASIC|EAGER>’}
{code}
or to set this at the global configuration level by setting the property in abase-site.xml,
with BASIC being the default value:
{code}
<property>
	<name>hbase.hregion.compacting.memstore.type</name>
	<value><NONE|BASIC|EAGER></value>
</property>
{code}
The values used in this property can change as memstore compaction policies evolve over time.



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