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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 current"><a class="reference internal" href="/docs/configuring-user-impersonation/">Configuring User Impersonation</a></li> + + + + <li class="toctree-l2"><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" 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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"> + + + <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> + + + </ul> + + + + <li class="toctree-l1"><a href="javascript: void(0);">Archived Pages</a></li> + <ul style="display: none"> + + + <li class="toctree-l2"><a class="reference internal" href="/docs/how-to-run-the-drill-demo/">How to Run the Drill Demo</a></li> + + + + <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"> + + + <li class="toctree-l2"><a class="reference internal" href="/docs/2014-q1-drill-report/">2014 Q1 Drill Report</a></li> + + + </ul> + + + + <li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li> + + + </ul> + + </div> + </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 Impersonation</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/070-configuring-user-impersonation.md"; target="_blank"><i class="fa fa-pencil-square-o"></i></a> + + + <div class="int_title"> + <h1>Configuring User Impersonation</h1> + + </div> + + <link href="/css/docpage.css" rel="stylesheet" type="text/css"> + + <div class="int_text" align="left"> + + <p>Impersonation allows a service to act on behalf of a client while performing the action requested by the client. By default, user impersonation is disabled in Drill. You can configure user impersonation in the drill-override.conf file.</p> + +<p>When you enable impersonation, Drill executes client requests as the user logged in to the client. Drill passes the user credentials to the file system, and the file system checks to see if the user has permission to access the data. When you enable authentication, Drill uses the pluggable authentication module (PAM) to authenticate a userâs identity before the user can access the Drillbit process. See User Authentication.</p> + +<p>If impersonation is not configured, Drill executes all of the client requests against the file system as the user that started the Drillbit service on the node. This is typically a privileged user. The file system verifies that the system user has permission to access the data.</p> + +<h2 id="example">Example</h2> + +<p>When impersonation is disabled and user Bob issues a query through the SQLLine client, SQLLine passes the query to the connecting Drillbit. The Drillbit executes the query as the system user that started the Drill process on the node. For the purpose of this example, we will assume that the system user has full access to the file system. Drill executes the query and returns the results back to the client. +<img src="http://i.imgur.com/4XxQK2I.png"; alt=""></p> + +<p>When impersonation is enabled and user Bob issues a query through the SQLLine client, the Drillbit executes the query against the file system as Bob. The file system checks to see if Bob has permission to access the data. If so, Drill returns the query results to the client. If Bob does not have permission, Drill returns an error. +<img src="http://i.imgur.com/oigWqVg.png"; alt=""></p> + +<h2 id="impersonation-support">Impersonation Support</h2> + +<p>The following table lists the clients, storage plugins, and types of queries that you can use with impersonation in Drill:</p> + +<table> + <tr> + <th>Type</th> + <th>Supported</th> + <th>Not Supported</th> + </tr> + <tr> + <td>Clients</td> + <td>SQLLine ODBC JDBC</td> + <td>Drill Web UI REST API</td> + </tr> + <tr> + <td>Storage Plugins</td> + <td>File System</td> + <td>Hive HBase</td> + </tr> + <tr> + <td>Queries</td> + <td>When you enable impersonation, the setting applies to queries on data and metadata. For example, if you issue the SHOW SCHEMAS command, Drill impersonates the user logged into the client to access the requested metadata. If you issue a SELECT query on a workspace, Drill impersonates the user logged in to the client to access the requested data. Drill applies impersonation to queries issued using the following commands: <br>SHOW SCHEMAS <br>SHOW DATABASES<br> SHOW TABLES<br> CTAS<br> SELECT<br> CREATE VIEW<br> DROP VIEW<br> SHOW FILES<br> To successfully run the CTAS and CREATE VIEW commands, a user must have write permissions on the directory where the table or view will exist. Running these commands creates artifacts on the file system.</td> + <td></td> + </tr> +</table> + +<h2 id="impersonation-and-views">Impersonation and Views</h2> + +<p>You can use views with impersonation to provide granular access to data and protect sensitive information. When you create a view, Drill stores the view definition in a file and suffixes the file with .drill.view. For example, if you create a view named myview, Drill creates a view file named myview.drill.view and saves it in the current workspace or the workspace specified, such as dfs.views.myview. See <a href="/docs/create-view-command/">CREATE VIEW</a> Command.</p> + +<p>You can create a view and grant read permissions on the view to give other users access to the data that the view references. When a user queries the view, Drill impersonates the view owner to access the underlying data. A user with read access to a view can create new views from the originating view to further restrict access on data.</p> + +<h3 id="view-permissions">View Permissions</h3> + +<p>A user must have write permission on a directory or workspace to create a view, as well as read access on the table(s) and/or view(s) that the view references. When a user creates a view, permission on the view is set to owner by default. Users can query an existing view or create new views from the view if they have read permissions on the view file and the directory or workspace where the view file is stored. </p> + +<p>When users query a view, Drill accesses the underlying data as the user that created the view. If a user does not have permission to access a view, the query fails and Drill returns an error. Only the view owner or a superuser can modify view permissions to change them from owner to group or world. </p> + +<p>The view owner or a superuser can modify permissions on the view file directly or they can set view permissions at the system or session level prior to creating any views. Any user that alters view permissions must have write access on the directory or workspace in which they are working. See Modifying Permissions on a View File and Modifying SYSTEM|SESSION Level View Permissions. </p> + +<h4 id="modifying-permissions-on-a-view-file">Modifying Permissions on a View File</h4> + +<p>Only a view owner or a super user can modify permissions on a view file to change them from owner to group or world readable. Before you grant permission to users to access a view, verify that they have access to the directory or workspace in which the view file is stored.</p> + +<p>Use the <code>chmod</code> and <code>chown</code> commands with the appropriate octal code to change permissions on a view file:</p> +<div class="highlight"><pre><code class="language-text" data-lang="text">hadoop fs âchmod <octal code> <file_name> +hadoop fs âchown <user>:<group> <file_name> +</code></pre></div> +<p>Example: <code>hadoop fs âchmod 750 employees.drill.view</code></p> + +<h4 id="modifying-system|session-level-view-permissions">Modifying SYSTEM|SESSION Level View Permissions</h4> + +<p>Use the <code>ALTER SESSION|SYSTEM</code> command with the <code>new_view_default_permissions</code> parameter and the appropriate octal code to set view permissions at the system or session level prior to creating a view.</p> +<div class="highlight"><pre><code class="language-text" data-lang="text">ALTER SESSION SET `new_view_default_permissions` = '<octal_code>'; +ALTER SYSTEM SET `new_view_default_permissions` = '<octal_code>'; +</code></pre></div> +<p>Example: <code>ALTER SESSION SET `new_view_default_permissions` = '777';</code></p> + +<p>After you set this parameter, Drill applies the same permissions on each view created during the session or across all sessions if set at the system level.</p> + +<h2 id="chained-impersonation">Chained Impersonation</h2> + +<p>You can configure Drill to allow chained impersonation on views when you enable impersonation in the <code>drill-override.conf</code> file. Chained impersonation controls the number of identity transitions that Drill can make when a user queries a view. Each identity transition is equal to one hop.</p> + +<p>You can set the maximum number of hops on views to limit the number of times that Drill can impersonate a different user when a user queries a view. The default maximum number of hops is set at 3. When the maximum number of hops is set to 0, Drill does not allow impersonation chaining, and a user can only read data for which they have direct permission to access. You may set chain length to 0 to protect highly sensitive data. </p> + +<p>The following example depicts a scenario where the maximum hop number is set to 3, and Drill must impersonate three users to access data when Chad queries a view that Jane created:</p> + +<p><img src="http://i.imgur.com/wwpStcs.png"; alt=""></p> + +<p>In the previous example, Joe created a view V3 from views that user Frank created. In the following example, Joe created view V3 by joining a view that Frank created with a view that Bob created, thus increasing the number of identity transitions that Drill makes from 3 to 4, which exceeds the maximum hop setting of 3.</p> + +<p>In this scenario, when Chad queries Janeâs view Drill returns an error stating that the query cannot complete because the number of hops required to access the data exceeds the maximum hop setting of 3 that is configured.</p> + +<p><img src="http://i.imgur.com/xO2yIDN.png"; alt=""></p> + +<p>If users encounter this error, you can increase the maximum hop setting to accommodate users running queries on views. When configuring the maximum number of hops that Drill can make, consider that joined views increase the number of identity transitions required for Drill to access the underlying data.</p> + +<h4 id="configuring-impersonation-and-chaining">Configuring Impersonation and Chaining</h4> + +<p>Chaining is a system-wide setting that applies to all views. Currently, Drill does not provide an option to allow different chain lengths for different views.</p> + +<p>Complete the following steps on each Drillbit node to enable user impersonation, and set the maximum number of chained user hops that Drill allows:</p> + +<ol> +<li>Navigate to <code><drill_installation_directory>/conf/</code> and edit <code>drill-override.conf</code>.</li> +<li><p>Under <code>drill.exe</code>, add the following:</p> +<div class="highlight"><pre><code class="language-text" data-lang="text"> drill.exec.impersonation: { + enabled: true, + max_chained_user_hops: 3 + } +</code></pre></div></li> +<li><p>Verify that enabled is set to <code>âtrueâ</code>.</p></li> +<li><p>Set the maximum number of chained user hops that you want Drill to allow.</p></li> +<li><p>(MapR cluster only) Add one of the following lines to the <code>drill-env.sh</code> file:</p> + +<ul> +<li>If the underlying file system is not secure, add the following line: +<code>export MAPR_IMPERSONATION_ENABLED=true</code></li> +<li>If the underlying file system has MapR security enabled, add the following line: +<code>export MAPR_TICKETFILE_LOCATION=/opt/mapr/conf/mapruserticket</code></li> +</ul></li> +<li><p>Restart the Drillbit process on each Drill node.</p> + +<ul> +<li>In a MapR cluster, run the following command: +<code>maprcli node services -name drill-bits -action restart -nodes <hostname> -f</code></li> +<li>In a non-MapR environment, run the following command:<br> +<DRILLINSTALL_HOME>/bin/drillbit.sh restart</li> +</ul></li> +</ol> + +<h2 id="impersonation-and-chaining-example">Impersonation and Chaining Example</h2> + +<p>Frank is a senior HR manager at a company. Frank has access to all of the employee data because he is a member of the hr group. Frank created a table named âemployeesâ in his home directory to store the employee data he uses. Only Frank has access to this table.</p> + +<p>drwx------ frank:hr /user/frank/employees</p> + +<p>Each record in the employees table consists of the following information: +emp_id, emp_name, emp_ssn, emp_salary, emp_addr, emp_phone, emp_mgr</p> + +<p>Frank needs to share a subset of this information with Joe who is an HR manager reporting to Frank. To share the employee data, Frank creates a view called emp_mgr_view that accesses a subset of the data. The emp_mgr_view filters out sensitive employee information, such as the employee social security numbers, and only shows data for the employees that report directly to Joe or the manager running the query on the view. Frank and Joe both belong to the mgr group. Managers have read permission on Frankâs directory.</p> + +<p>rwxr----- frank:mgr /user/frank/emp_mgr_view.drill.view</p> + +<p>The emp_mgr_view.drill.view file contains the following view definition: +(view definition: SELECT emp_id, emp_name, emp_salary, emp_addr, emp_phone FROM `/user/frank/employee` WHERE emp_mgr = user())</p> + +<p>When Joe issues SELECT * FROM emp_mgr_view, Drill impersonates Frank when accessing the employee data, and the query returns the data that Joe has permission to see based on the view definition. The query results do not include any sensitive data because the view protects that information. If Joe tries to query the employees table directly, Drill returns an error or null values.</p> + +<p>Because Joe has read permissions on the emp_mgr_view, he can create new views from it to give other users access to the employee data even though he does not own the employees table and cannot access the employees table directly.</p> + +<p>Joe needs to share employee contact data with his direct reports, so he creates a special view called emp_team_view to share the employee contact information with his team. Joe creates the view and writes it to his home directory. Joe and his reports belong to a group named joeteam. The joeteam group has read permissions on Joeâs home directory so they can query the view and create new views from it.</p> + +<p>rwxr----- joe:joeteam /user/joe/emp_team_view.drill.view</p> + +<p>The emp_team_view.drill.view file contains the following view definition:</p> + +<p>(view definition: SELECT emp_id, emp_name, emp_phone FROM <code>/user/frank/emp_mgr_view.drill</code>);</p> + +<p>When anyone on Joeâs team issues SELECT * FROM emp_team_view, Drill impersonates Joe to access the emp_team_view and then impersonates Frank to access the emp_mgr_view and the employee data. Drill returns the data that Joeâs team has can see based on the view definition. If anyone on Joeâs team tries to query the emp_mgr_view or employees table directly, Drill returns an error or null values.</p> + +<p>Because Joeâs team has read permissions on the emp_team_view, they can create new views from it and write the views to any directory for which they have write access. Creating views can continue until Drill reaches the maximum number of impersonation hops.</p> + + + + <div class="doc-nav"> + + <span class="previous-toc"><a href="/docs/configuring-resources-for-a-shared-drillbit/">â Configuring Resources for a Shared Drillbit</a></span><span class="next-toc"><a href="/docs/configuring-user-authentication/">Configuring User Authentication â</a></span> +</div> + + + </div> + </div> + </div> + + </div> + <p class="push"></p> +<div id="footer" class="mw"> +<div class="wrapper"> +Copyright © 2012-2014 The Apache Software Foundation, licensed under the Apache License, Version 2.0.<br> +Apache and the Apache feather logo are trademarks of The Apache Software Foundation. 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http://git-wip-us.apache.org/repos/asf/drill-site/blob/ee86f078/docs/connect-a-data-source-introduction/index.html ---------------------------------------------------------------------- diff --git a/docs/connect-a-data-source-introduction/index.html b/docs/connect-a-data-source-introduction/index.html index e1e18f6..3828d39 100644 --- a/docs/connect-a-data-source-introduction/index.html +++ b/docs/connect-a-data-source-introduction/index.html @@ -55,6 +55,8 @@ <li><a href="/docs/install-drill/">Install Drill</a></li> + <li><a href="/docs/configure-drill/">Configure Drill</a></li> + <li><a href="/docs/connect-a-data-source/">Connect a Data Source</a></li> <li><a href="/docs/odbc-jdbc-interfaces/">ODBC/JDBC Interfaces</a></li> @@ -67,8 +69,6 @@ <li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li> - <li><a href="/docs/manage-drill/">Manage Drill</a></li> - <li><a href="/docs/developer-information/">Developer Information</a></li> <li><a href="/docs/release-notes/">Release Notes</a></li> @@ -248,6 +248,65 @@ + <li class="toctree-l1"><a href="javascript: void(0);">Configure Drill</a></li> + <ul style="display: none"> + + + <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"><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 current_section "><a href="javascript: void(0);">Connect a Data Source</a></li> <ul class="current_section"> @@ -349,10 +408,6 @@ <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> - - <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> @@ -416,6 +471,10 @@ <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> @@ -600,65 +659,6 @@ - <li class="toctree-l1"><a href="javascript: void(0);">Manage Drill</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/docs/manage-drill-introduction/">Manage Drill Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-drill-in-a-dedicated-cluster/">Configuring Drill in a Dedicated Cluster</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 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/starting-stopping-drill/">Starting/Stopping Drill</a></li> - - - - <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> - - - - <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);">Developer Information</a></li> <ul style="display: none"> http://git-wip-us.apache.org/repos/asf/drill-site/blob/ee86f078/docs/connect-a-data-source/index.html ---------------------------------------------------------------------- diff --git a/docs/connect-a-data-source/index.html b/docs/connect-a-data-source/index.html index d04640c..8b19ee7 100644 --- a/docs/connect-a-data-source/index.html +++ b/docs/connect-a-data-source/index.html @@ -55,6 +55,8 @@ <li><a href="/docs/install-drill/">Install Drill</a></li> + <li><a href="/docs/configure-drill/">Configure Drill</a></li> + <li><a href="/docs/connect-a-data-source/">Connect a Data Source</a></li> <li><a href="/docs/odbc-jdbc-interfaces/">ODBC/JDBC Interfaces</a></li> @@ -67,8 +69,6 @@ <li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li> - <li><a href="/docs/manage-drill/">Manage Drill</a></li> - <li><a href="/docs/developer-information/">Developer Information</a></li> <li><a href="/docs/release-notes/">Release Notes</a></li> @@ -248,6 +248,65 @@ + <li class="toctree-l1"><a href="javascript: void(0);">Configure Drill</a></li> + <ul style="display: none"> + + + <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"><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 current current_section "><a href="javascript: void(0);">Connect a Data Source</a></li> <ul class="current_section"> @@ -349,10 +408,6 @@ <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> - - <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> @@ -416,6 +471,10 @@ <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> @@ -600,65 +659,6 @@ - <li class="toctree-l1"><a href="javascript: void(0);">Manage Drill</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/docs/manage-drill-introduction/">Manage Drill Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-drill-in-a-dedicated-cluster/">Configuring Drill in a Dedicated Cluster</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 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/starting-stopping-drill/">Starting/Stopping Drill</a></li> - - - - <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> - - - - <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);">Developer Information</a></li> <ul style="display: none"> @@ -860,7 +860,7 @@ <div class="doc-nav"> - <span class="previous-toc"><a href="/docs/starting-drill-in-distributed-mode/">â Starting Drill in Distributed Mode</a></span><span class="next-toc"><a href="/docs/connect-a-data-source-introduction/">Connect a Data Source Introduction â</a></span> + <span class="previous-toc"><a href="/docs/partition-pruning/">â Partition Pruning</a></span><span class="next-toc"><a href="/docs/connect-a-data-source-introduction/">Connect a Data Source Introduction â</a></span> </div> http://git-wip-us.apache.org/repos/asf/drill-site/blob/ee86f078/docs/connecting-to-odbc-data-sources/index.html ---------------------------------------------------------------------- diff --git a/docs/connecting-to-odbc-data-sources/index.html b/docs/connecting-to-odbc-data-sources/index.html index d0a329b..c203985 100644 --- a/docs/connecting-to-odbc-data-sources/index.html +++ b/docs/connecting-to-odbc-data-sources/index.html @@ -55,6 +55,8 @@ <li><a href="/docs/install-drill/">Install Drill</a></li> + <li><a href="/docs/configure-drill/">Configure Drill</a></li> + <li><a href="/docs/connect-a-data-source/">Connect a Data Source</a></li> <li><a href="/docs/odbc-jdbc-interfaces/">ODBC/JDBC Interfaces</a></li> @@ -67,8 +69,6 @@ <li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li> - <li><a href="/docs/manage-drill/">Manage Drill</a></li> - <li><a href="/docs/developer-information/">Developer Information</a></li> <li><a href="/docs/release-notes/">Release Notes</a></li> @@ -248,6 +248,65 @@ + <li class="toctree-l1"><a href="javascript: void(0);">Configure Drill</a></li> + <ul style="display: none"> + + + <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"><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"> @@ -349,10 +408,6 @@ <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> - - <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> @@ -416,6 +471,10 @@ <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> @@ -600,65 +659,6 @@ - <li class="toctree-l1"><a href="javascript: void(0);">Manage Drill</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/docs/manage-drill-introduction/">Manage Drill Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-drill-in-a-dedicated-cluster/">Configuring Drill in a Dedicated Cluster</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 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/starting-stopping-drill/">Starting/Stopping Drill</a></li> - - - - <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> - - - - <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);">Developer Information</a></li> <ul style="display: none"> http://git-wip-us.apache.org/repos/asf/drill-site/blob/ee86f078/docs/contribute-to-drill/index.html ---------------------------------------------------------------------- diff --git a/docs/contribute-to-drill/index.html b/docs/contribute-to-drill/index.html index d54dfc0..aac0360 100644 --- a/docs/contribute-to-drill/index.html +++ b/docs/contribute-to-drill/index.html @@ -55,6 +55,8 @@ <li><a href="/docs/install-drill/">Install Drill</a></li> + <li><a href="/docs/configure-drill/">Configure Drill</a></li> + <li><a href="/docs/connect-a-data-source/">Connect a Data Source</a></li> <li><a href="/docs/odbc-jdbc-interfaces/">ODBC/JDBC Interfaces</a></li> @@ -67,8 +69,6 @@ <li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li> - <li><a href="/docs/manage-drill/">Manage Drill</a></li> - <li><a href="/docs/developer-information/">Developer Information</a></li> <li><a href="/docs/release-notes/">Release Notes</a></li> @@ -248,6 +248,65 @@ + <li class="toctree-l1"><a href="javascript: void(0);">Configure Drill</a></li> + <ul style="display: none"> + + + <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"><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"> @@ -349,10 +408,6 @@ <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> - - <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> @@ -416,6 +471,10 @@ <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> @@ -600,65 +659,6 @@ - <li class="toctree-l1"><a href="javascript: void(0);">Manage Drill</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/docs/manage-drill-introduction/">Manage Drill Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-drill-in-a-dedicated-cluster/">Configuring Drill in a Dedicated Cluster</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 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/starting-stopping-drill/">Starting/Stopping Drill</a></li> - - - - <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> - - - - <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 current_section "><a href="javascript: void(0);">Developer Information</a></li> <ul class="current_section">
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