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From "Andrew Onischuk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-9195) Configs: Editing HBase Region Server Configuration Parameters
Date Mon, 19 Jan 2015 14:32:34 GMT
Andrew Onischuk created AMBARI-9195:
---------------------------------------

             Summary: Configs: Editing HBase Region Server Configuration Parameters
                 Key: AMBARI-9195
                 URL: https://issues.apache.org/jira/browse/AMBARI-9195
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 2.0.0


The HBase block cache size parameter is editable through Ambari. But HBase
verifies whether the sum of the value specified for hfile.block.cache.size and
hbase.regionserver.global.memstore.upperLimit doesn't exceed 0.8 when it
starts. We would want to make the memstore variables
(hbase.regionserver.global.memstore.upperLimit and
hbase.regionserver.global.memstore.upperLimit) editable or at least adjust
these values automatically if the user changes the block cache size (may not
be a preferable option).





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