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From "Paul Rogers (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4564) Add documentation detail regarding start-up properties hierarchy
Date Wed, 30 Mar 2016 20:44:25 GMT
Paul Rogers created DRILL-4564:
----------------------------------

             Summary: Add documentation detail regarding start-up properties hierarchy
                 Key: DRILL-4564
                 URL: https://issues.apache.org/jira/browse/DRILL-4564
             Project: Apache Drill
          Issue Type: Improvement
          Components: Documentation
            Reporter: Paul Rogers
            Priority: Minor


We’ve been having a lively discussion about config options. We might want to summarize the
discussion in DRILL-4543. Current text:

At the core of the file hierarchy is drill-default.conf. This file is overridden by one or
more drill-module.conf files, which are overridden by the drill-override.conf file that you
define.

Possible revision:

At the bottom of the hierarchy are the default files that Drill itself provides. The first
is drill-default.conf. This file is overridden by one or more drill-module.conf files provided
by Drill’s internal modules. These are overridden by the drill-override.conf file that you
define. Finally, you can provide overrides on each Drill-bit using system properties of the
form -Dname=value passed on the command line:

./drillbit.sh start -Dname=value



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