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From tshi...@apache.org
Subject [20/26] drill-site git commit: Website update
Date Thu, 07 May 2015 19:02:58 GMT
http://git-wip-us.apache.org/repos/asf/drill-site/blob/ee86f078/docs/configuring-user-authentication/index.html
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+<!DOCTYPE html>
+<html>
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+              <li class="toctree-l2"><a class="reference internal" href="/docs/drill-in-10-minutes/">Drill in 10 Minutes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/analyzing-the-yelp-academic-dataset/">Analyzing the Yelp Academic Dataset</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Learn Drill with the MapR Sandbox</a></li>
+              <ul style="display: none">
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+                <li class="toctree-l3"><a class="reference internal" href="/docs/about-the-mapr-sandbox/">About the MapR Sandbox</a></li>
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+                <li class="toctree-l3"><a class="reference internal" href="/docs/installing-the-apache-drill-sandbox/">Installing the Apache Drill Sandbox</a></li>
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+                <li class="toctree-l3"><a class="reference internal" href="/docs/getting-to-know-the-drill-sandbox/">Getting to Know the Drill Sandbox</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/lession-1-learn-about-the-data-set/">Lession 1: Learn about the Data Set</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/lession-2-run-queries-with-ansi-sql/">Lession 2: Run Queries with ANSI SQL</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/lession-3-run-queries-on-complex-data-types/">Lession 3: Run Queries on Complex Data Types</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/summary/">Summary</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/analyzing-highly-dynamic-datasets/">Analyzing Highly Dynamic Datasets</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Install Drill</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/install-drill-introduction/">Install Drill Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Installing Drill in Embedded Mode</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/embedded-mode-prerequisites/">Embedded Mode Prerequisites</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/installing-drill-on-linux-and-mac-os-x/">Installing Drill on Linux and Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/starting-drill-on-linux-and-mac-os-x/">Starting Drill on Linux and Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/installing-drill-on-windows/">Installing Drill on Windows</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/starting-drill-on-windows/">Starting Drill on Windows</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Installing Drill in Distributed Mode</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/distributed-mode-prerequisites/">Distributed Mode Prerequisites</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/installing-drill-on-the-cluster/">Installing Drill on the Cluster</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/starting-drill-in-distributed-mode/">Starting Drill in Distributed Mode</a></li>
+              
+            </ul>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1 current_section "><a href="javascript: void(0);">Configure Drill</a></li>
+          <ul class="current_section">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/configure-drill-introduction/">Configure Drill Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-drill-memory/">Configuring Drill Memory</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Configuring a Multitenant Cluster</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-a-multitenant-cluster-introduction/">Configuring a Multitenant Cluster Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-multitenant-resources/">Configuring Multitenant Resources</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-resources-for-a-shared-drillbit/">Configuring Resources for a Shared Drillbit</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-user-impersonation/">Configuring User Impersonation</a></li>
+            
+          
+            
+              <li class="toctree-l2 current"><a class="reference internal" href="/docs/configuring-user-authentication/">Configuring User Authentication</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Configuration Options</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/configuration-options-introduction/">Configuration Options Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/start-up-options/">Start-Up Options</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/planning-and-execution-options/">Planning and Execution Options</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/persistent-configuration-storage/">Persistent Configuration Storage</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/ports-used-by-drill/">Ports Used by Drill</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/partition-pruning/">Partition Pruning</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Connect a Data Source</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/connect-a-data-source-introduction/">Connect a Data Source Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/storage-plugin-registration/">Storage Plugin Registration</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Storage Plugin Configuration</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/plugin-configuration-introduction/">Plugin Configuration Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/workspaces/">Workspaces</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/file-system-storage-plugin/">File System Storage Plugin</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/hbase-storage-plugin/">HBase Storage Plugin</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/hive-storage-plugin/">Hive Storage Plugin</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/drill-default-input-format/">Drill Default Input Format</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/mongodb-plugin-for-apache-drill/">MongoDB Plugin for Apache Drill</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/mapr-db-format/">MapR-DB Format</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">ODBC/JDBC Interfaces</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/interfaces-introduction/">Interfaces Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/using-jdbc/">Using JDBC</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Using ODBC on Linux and Mac OS X</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/odbc-on-linux-and-mac-introduction/">ODBC on Linux and Mac Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/installing-the-driver-on-linux/">Installing the Driver on Linux</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/installing-the-driver-on-mac-os-x/">Installing the Driver on Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-connections-on-linux-and-mac-os-x/">Configuring Connections on Linux and Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/driver-configuration-options/">Driver Configuration Options</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/using-a-connection-string/">Using a Connection String</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/advanced-properties/">Advanced Properties</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/testing-the-odbc-connection/">Testing the ODBC Connection</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Using ODBC on Windows</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/installing-the-driver-on-windows/">Installing the Driver on Windows</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-connections-on-windows/">Configuring Connections on Windows</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/connecting-to-odbc-data-sources/">Connecting to ODBC Data Sources</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/tableau-examples/">Tableau Examples</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/using-drill-explorer-on-windows/">Using Drill Explorer on Windows</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/using-microstrategy-analytics-with-drill/">Using MicroStrategy Analytics with Drill</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/using-apache-drill-with-tibco-spotfire-desktop/">Using Apache Drill with Tibco Spotfire Desktop</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Query Data</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/query-data-introduction/">Query Data Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Querying a File System</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/querying-a-file-system-introduction/">Querying a File System Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/querying-json-files/">Querying JSON Files</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/querying-parquet-files/">Querying Parquet Files</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/querying-plain-text-files/">Querying Plain Text Files</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/querying-directories/">Querying Directories</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/querying-hbase/">Querying HBase</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Querying Complex Data</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/querying-complex-data-introduction/">Querying Complex Data Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/sample-data-donuts/">Sample Data: Donuts</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/selecting-flat-data/">Selecting Flat Data</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/using-sql-functions-clauses-and-joins/">Using SQL Functions, Clauses, and Joins</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/selecting-nested-data-for-a-column/">Selecting Nested Data for a Column</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/selecting-multiple-columns-within-nested-data/">Selecting Multiple Columns Within Nested Data</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/querying-hive/">Querying Hive</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/querying-the-information-schema/">Querying the INFORMATION SCHEMA</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/querying-system-tables/">Querying System Tables</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/monitoring-and-canceling-queries-in-the-drill-web-ui/">Monitoring and Canceling Queries in the Drill Web UI</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">SQL Reference</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/sql-reference-introduction/">SQL Reference Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Data Types</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/supported-data-types/">Supported Data Types</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/date-time-and-timestamp/">Date, Time, and Timestamp</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/handling-different-data-types/">Handling Different Data Types</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/lexical-structure/">Lexical Structure</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/operators/">Operators</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">SQL Functions</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/about-sql-function-examples/">About SQL Function Examples</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/math-and-trig/">Math and Trig</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/data-type-conversion/">Data Type Conversion</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/date-time-functions-and-arithmetic/">Date/Time Functions and Arithmetic</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/string-manipulation/">String Manipulation</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/aggregate-and-aggregate-statistical/">Aggregate and Aggregate Statistical</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/functions-for-handling-nulls/">Functions for Handling Nulls</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Nested Data Functions</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/nested-data-limitations/">Nested Data Limitations</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/flatten/">FLATTEN</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/kvgen/">KVGEN</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/repeated-count/">REPEATED_COUNT</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/repeated-contains/">REPEATED_CONTAINS</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/query-directory-functions/">Query Directory Functions</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">SQL Commands</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/supported-sql-commands/">Supported SQL Commands</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/alter-session-command/">ALTER SESSION Command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/alter-system-command/">ALTER SYSTEM Command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/create-table-as-ctas-command/">CREATE TABLE AS (CTAS) command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/create-view-command/">CREATE VIEW command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/describe-command/">DESCRIBE Command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/explain-commands/">EXPLAIN commands</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/select-statements/">SELECT Statements</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/show-databases-and-show-schemas-command/">SHOW DATABASES AND SHOW SCHEMAS Command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/show-files-command/">SHOW FILES Command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/show-tables-command/">SHOW TABLES Command</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/use-command/">USE Command</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">SQL Conditional Expressions</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/case/">CASE</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/reserved-keywords/">Reserved Keywords</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/sql-extensions/">SQL Extensions</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Data Sources and File Formats</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/data-sources-and-file-formats-introduction/">Data Sources and File Formats Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/hive-to-drill-data-type-mapping/">Hive-to-Drill Data Type Mapping</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/deploying-and-using-a-hive-udf/">Deploying and Using a Hive UDF</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/parquet-format/">Parquet Format</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/json-data-model/">JSON Data Model</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Develop Custom Functions</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/develop-custom-functions-introduction/">Develop Custom Functions Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/develop-a-simple-function/">Develop a Simple Function</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/developing-an-aggregate-function/">Developing an Aggregate Function</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/adding-custom-functions-to-drill/">Adding Custom Functions to Drill</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/using-custom-functions-in-queries/">Using Custom Functions in Queries</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/custom-function-interfaces/">Custom Function Interfaces</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Develop Drill</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/compiling-drill-from-source/">Compiling Drill from Source</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/drill-patch-review-tool/">Drill Patch Review Tool</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Contribute to Drill</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/apache-drill-contribution-guidelines/">Apache Drill Contribution Guidelines</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/apache-drill-contribution-ideas/">Apache Drill Contribution Ideas</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Design Docs</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/drill-plan-syntax/">Drill Plan Syntax</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/rpc-overview/">RPC Overview</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/query-stages/">Query Stages</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/useful-research/">Useful Research</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/docs/value-vectors/">Value Vectors</a></li>
+              
+            </ul>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Release Notes</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-0-5-0-release-notes/">Apache Drill 0.5.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-0-4-0-release-notes/">Apache Drill 0.4.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-m1-release-notes-apache-drill-alpha/">Apache Drill M1 Release Notes (Apache Drill Alpha)</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-m1-release-notes-apache-drill-alpha/">Apache Drill M1 Release Notes (Apache Drill Alpha)</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-0-6-0-release-notes/">Apache Drill 0.6.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-0-7-0-release-notes/">Apache Drill 0.7.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-0-8-0-release-notes/">Apache Drill 0.8.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-0-9-0-release-notes/">Apache Drill 0.9.0 Release Notes</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Sample Datasets</a></li>
+          <ul style="display: none">
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+              <li class="toctree-l2"><a class="reference internal" href="/docs/aol-search/">AOL Search</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/enron-emails/">Enron Emails</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/wikipedia-edit-history/">Wikipedia Edit History</a></li>
+            
+          
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+          <li class="toctree-l1"><a href="javascript: void(0);">Archived Pages</a></li>
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+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/what-is-apache-drill/">What is Apache Drill</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Progress Reports</a></li>
+          <ul style="display: none">
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+            
+              <li class="toctree-l2"><a class="reference internal" href="/docs/2014-q1-drill-report/">2014 Q1 Drill Report</a></li>
+            
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+        
+      
+        
+          <li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
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+
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+  </div>
+</aside>
+
+
+  <nav class="breadcrumbs">
+  <li><a href="/docs/">Docs</a></li>
+ 
+  
+    <li><a href="/docs/configure-drill/">Configure Drill</a></li>
+  
+  <li>Configuring User Authentication</li>
+</nav>
+
+  <div class="main-content-wrapper">
+    <div class="main-content">
+
+      
+        <a class="edit-link" href="https://github.com/apache/drill/blob/gh-pages/_docs/configure-drill/075-configuring-user-authentication.md" target="_blank"><i class="fa fa-pencil-square-o"></i></a>
+      
+
+      <div class="int_title">
+        <h1>Configuring User Authentication</h1>
+
+      </div>
+
+      <link href="/css/docpage.css" rel="stylesheet" type="text/css">
+
+      <div class="int_text" align="left">
+        
+          <p>Authentication is the process of proving a user’s identity to access a process running on a system. Drill currently supports username/password based authentication through the use of the Linux Pluggable Authentication Module (PAM). The authentication option is available through JDBC and ODBC interfaces. Linux PAM provides authentication modules that interface with any installed PAM authentication entity, such as the local operating system password file (passwd or login) or LDAP. </p>
+
+<p>If user impersonation is enabled, Drill executes the client requests as the authenticated user. Otherwise, Drill executes client requests as the user that started the Drillbit process. You can enable both authorization and impersonation to improve Drill security. See <a href="/docs/configuring-user-impersonation/">Configuring User Impersonation</a>.</p>
+
+<p>When using PAM for authentication, each user that has permission to run Drill must exist in the list of users that resides on each Drill node in the cluster. The username (including uid) and password for each user must be identical across all of the Drill nodes. </p>
+
+<h2 id="user-authentication-process">User Authentication Process</h2>
+
+<p>When user authentication is configured, each user that accesses the Drillbit process through a client, such as SQLLine, must provide their username and password for access. </p>
+
+<p>When launching SQLLine, a user must include the <code>–n</code> and <code>–p</code> parameters with their username and password in the SQLLine argument:<br>
+       <code>sqlline –u jdbc:drill:zk=10.10.11.112:5181 –n bob –p bobdrill</code></p>
+
+<p>When a user connects to Drill from a BI tool, such as Tableau, the MapR Drill ODBC driver prompts the user for their username and password:</p>
+
+<p><img src="/docs/img/UserAuth_ODBC_Driver.png" alt="ODBC Driver"></p>
+
+<p>The client passes the username and password to a Drillbit, which then passes the credentials to PAM. If PAM can verify that the user is authorized to access Drill, the user can connect to the Drillbit process from the client and issue queries against the file system or other storage plugins, such as Hive or HBase. However, if PAM cannot verify that the user is authorized to access Drill, the client returns an error.</p>
+
+<p>The following image illustrates the user authentication process in Drill:</p>
+
+<p><img src="/docs/img/UserAuthProcess.png" alt=""></p>
+
+<h3 id="installing-and-configuring-pam">Installing and Configuring PAM</h3>
+
+<p>Install and configure the provided Drill PAM. Drill only supports the PAM provided here.</p>
+
+<p>Complete the following steps to install and configure PAM for Drill:</p>
+
+<ol>
+<li>Download the <code>tar.gz</code> file for the Linux platform:<br>
+<a href="http://sourceforge.net/projects/jpam/files/jpam/jpam-1.1/">http://sourceforge.net/projects/jpam/files/jpam/jpam-1.1/</a></li>
+<li>Untar the file, and copy the <code>libjpam.so</code> file into a directory.<br>
+Example:<code>/opt/pam/</code></li>
+<li>Run the following command, and include the directory where you put the <code>libjpam.so</code> file:<br>
+<code>export DRILLBIT_JAVA_OPTS=&quot; -Djava.library.path=&lt;directory&gt;&quot;</code><br>
+Example: <code>export DRILLBIT_JAVA_OPTS=&quot; -Djava.library.path=/opt/pam/&quot;</code></li>
+<li><p>Add the following block to <code>drill.exec</code> in the <code>drill-override.conf</code> file located in <code>&lt;DRILLINSTALL_HOME&gt;/conf/</code>:  </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">  drill.exec {
+   security.user.auth {
+         enabled: true,
+         packages += &quot;org.apache.drill.exec.rpc.user.security&quot;,
+         impl: &quot;pam&quot;,
+         pam_profiles: [ &quot;sudo&quot;, &quot;login&quot; ]
+   } 
+  }
+</code></pre></div></li>
+<li><p>(Optional) To add or remove different PAM profiles, add or delete the profile names in the <code>“pam_profiles”</code> array.  </p></li>
+<li><p>Restart the Drillbit process on each Drill node.</p>
+
+<ul>
+<li><p>In a MapR cluster, run the following command:  </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">  maprcli node services -name drill-bits -action restart -nodes &lt;hostname&gt; -f
+</code></pre></div></li>
+<li><p>In a non-MapR environment, run the following command: </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">  &lt;DRILLINSTALL_HOME&gt;/bin/drillbit.sh restart
+</code></pre></div></li>
+</ul></li>
+</ol>
+
+<h3 id="implementing-and-configuring-a-custom-authenticator">Implementing and Configuring a Custom Authenticator</h3>
+
+<p>Administrators can use the template provided here to develop and implement a custom username/password based authenticator.</p>
+
+<p>Complete the following steps to build and implement a custom authenticator:</p>
+
+<ol>
+<li><p>Build the following Java file into a JAR file: </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">   MyCustomDrillUserAuthenticatorImpl.java 
+
+   package myorg.dept.drill.security;
+
+   import org.apache.drill.common.config.DrillConfig;
+   import org.apache.drill.exec.exception.DrillbitStartupException;
+
+   import java.io.IOException;
+
+   /*
+   * Implement {@link org.apache.drill.exec.rpc.user.security.UserAuthenticator} for illustraing how to develop a custom authenticator and use it in Drill
+   */
+   @UserAuthenticatorTemplate(type = “myCustomAuthenticatorType”)
+   public class MyCustomDrillUserAuthenticatorImpl implements UserAuthenticator {
+
+    public static final String TEST_USER_1 = &quot;testUser1&quot;;
+    public static final String TEST_USER_2 = &quot;testUser2&quot;;
+    public static final String TEST_USER_1_PASSWORD = &quot;testUser1Password&quot;;
+    public static final String TEST_USER_2_PASSWORD = &quot;testUser2Password&quot;;
+
+   /**
+   * Setup for authenticating user credentials.
+   */
+    @Override
+    public void setup(DrillConfig drillConfig) throws DrillbitStartupException {
+      // If the authenticator has any setup such as making sure authenticator provider servers are up and running or 
+      // needed libraries are available, it should be added here.
+    }
+
+   /**
+   * Authenticate the given &lt;i&gt;user&lt;/i&gt; and &lt;i&gt;password&lt;/i&gt; combination.
+   *
+   * @param userName
+   * @param password
+   * @throws UserAuthenticationException if authentication fails for given user and password.
+   */
+    @Override
+    public void authenticate(String userName, String password) throws UserAuthenticationException {
+
+      if (!(TEST_USER_1.equals(user) &amp;&amp; TEST_USER_1_PASSWORD.equals(password)) &amp;&amp;
+      !(TEST_USER_2.equals(user) &amp;&amp; TEST_USER_2_PASSWORD.equals(password))) {
+    throw new UserAuthenticationException(“custom failure message if the admin wants to show it to user”);
+      }
+    }
+
+   /**
+   * Close the authenticator. Used to release resources. Ex. LDAP authenticator opens connections to LDAP server,
+   * such connections resources are released in a safe manner as part of close.
+   *
+   * @throws IOException
+   */
+    @Override
+    public void close() throws IOException {
+      // Any clean up such as releasing files/network resources should be done here
+    }
+   }  
+</code></pre></div></li>
+<li><p>Add the JAR file that you built to the following directory on each Drill node:<br>
+<code>&lt;DRILLINSTALL_HOME&gt;/jars</code></p></li>
+<li><p>Add the following block to the <code>drill.exec</code> section in the <code>drill-override.conf</code> file located in <code>&lt;DRILLINSTALL_HOME&gt;/conf/</code>:  </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">      drill.exec {
+       security.user.auth {
+            enabled: true,
+            packages += &quot;myorg.dept.drill.security&quot;,
+            impl: &quot;myCustomAuthenticatorType&quot;
+       }
+      }  
+</code></pre></div></li>
+<li><p>Restart the Drillbit process on each Drill node.</p>
+
+<ul>
+<li><p>In a MapR cluster, run the following command:  </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">  maprcli node services -name drill-bits -action restart -nodes &lt;hostname&gt; -f
+</code></pre></div></li>
+<li><p>In a non-MapR environment, run the following command: </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">  &lt;DRILLINSTALL_HOME&gt;/bin/drillbit.sh restart
+</code></pre></div></li>
+</ul></li>
+</ol>
+
+      
+        
+          <div class="doc-nav">
+  
+  <span class="previous-toc"><a href="/docs/configuring-user-impersonation/">← Configuring User Impersonation</a></span><span class="next-toc"><a href="/docs/configuration-options/">Configuration Options →</a></span>
+</div>
+
+      
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+    </div>
+  </div>
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