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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "Hive/AdminManual/Configuration" by AshishThusoo
Date Wed, 21 Jan 2009 23:58:58 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by AshishThusoo:

New page:
A number of configuration variables in Hive can be used by the administrator to change the
behavior for their installations. These are defined in two files:
 * hive-default.xml - This configuration file contains the default values for various configuration
 * hive-site.xml - This configuration file can be used to override the default values by the

hive-default.xml is located in the conf directory in your installation root. hive-site.xml
should also be created in the same directory.

In addition these variables can also be overridden at the session level through the cli by
using the set commands. e.g.
set hive.exec.scratchdir=/tmp/mydir
sets the scratch directory (which is used by hive to store temporary output and plans) to
/tmp/mydir for all subsequent queries in the session.

The following table lists all the configuration variables, their descriptions and default

||'''Variable Name'''||'''Description'''||'''Default Value'''||

MetaStore related variables:
||'''Variable Name'''||'''Description'''||'''Default Value'''||

Hadoop related variables:
||'''Variable Name'''||'''Description'''||'''Default Value'''||
||hadoop.bin.path||||System.getenv("HADOOP_HOME") + "/bin/hadoop"||
||hadoop.config.dir||||System.getenv("HADOOP_HOME") + "/conf"||

Things we log in the jobconf:
||'''Variable Name'''||'''Description'''||'''Default Value'''||

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