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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1154) Store hbase-site.xml in ZooKeeper
Date Mon, 26 Jan 2009 07:26:59 GMT
Store hbase-site.xml in ZooKeeper

                 Key: HBASE-1154
                 URL: https://issues.apache.org/jira/browse/HBASE-1154
             Project: Hadoop HBase
          Issue Type: Improvement
    Affects Versions: 0.19.0
         Environment: All
            Reporter: ryan rawson
             Fix For: 0.21.0

Right now hbase-site.xml is stored in the classpath of every individual machine.  To update
parameters of the cluster, one has to copy files to every cluster machine then restart the

Instead of storing config files in a local disk, store them in Zoo Keeper.  

Regionservers can then put a watch on the file, and do something appropriate when the config
changes.  Restarting en-masse is probably not the best solution however.

A similiar change could be done for HDFS/Hadoop for their own hadoop-site.xml file.  That
is a little out of scope :-)

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