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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4117) Improve configurability of Hadoop EC2 instances
Date Mon, 08 Sep 2008 17:13:44 GMT
Improve configurability of Hadoop EC2 instances
-----------------------------------------------

                 Key: HADOOP-4117
                 URL: https://issues.apache.org/jira/browse/HADOOP-4117
             Project: Hadoop Core
          Issue Type: Improvement
          Components: contrib/ec2
            Reporter: Tom White
            Assignee: Tom White
             Fix For: 0.19.0


Currently hadoop-site.xml for EC2 instances is stored as a part of the image and only a few
properties can be controlled from the user scripts (compression, number of map/reduce tasks).
Furthermore, it is not possible to rsync the configuration around the EC2 cluster with the
current image, so the only way to customize the hadoop-site.xml file is to rebuild the image,
which is time-consuming.

It would be much better to pass the initialization script for nodes at boot time, so that
it is easy to edit the configuration before starting a cluster.

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