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<li class='search-bar'> - <form id="drill-search-form"> - <input type="text" placeholder="Search Apache Drill" id="drill-search-term" /> - <button type="submit"> - <i class="fa fa-search"></i> - </button> - </form> - </li> - <li class="d"> - <a href="/drill/download/"> - <i class="fa fa-cloud-download"></i> Download - </a> - </li> -</ul> -</div> - - <link href="/drill/css/content.css" rel="stylesheet" type="text/css"> - - - - - - - -<aside class="sidebar"> - <div class="docsidebar"> - <div class="docsidebarwrapper"> - <ul style="display: block;"> - - - <li class="toctree-l1"><a href="javascript: void(0);">Getting Started</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/drill-introduction/">Drill Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/why-drill/">Why Drill</a></li> - - - </ul> - - - - <li class="toctree-l1"><a href="javascript: void(0);">Architecture</a></li> - 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- <li class="toctree-l3"><a class="reference internal" href="/drill/docs/starting-drill-in-distributed-mode/">Starting Drill in Distributed Mode</a></li> - - </ul> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/starting-the-web-console/">Starting the Web Console</a></li> - - - </ul> - - - - <li class="toctree-l1 current_section "><a href="javascript: void(0);">Configure Drill</a></li> - <ul class="current_section"> - - - <li class="toctree-l2 current"><a class="reference internal" href="/drill/docs/configure-drill-introduction/">Configure Drill Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/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="/drill/docs/configuring-a-multitenant-cluster-introduction/">Configuring a Multitenant Cluster Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-multitenant-resources/">Configuring Multitenant Resources</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/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="/drill/docs/configuring-user-impersonation/">Configuring User Impersonation</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-user-authentication/">Configuring User Authentication</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-user-impersonation-with-hive-authorization/">Configuring User Impersonation with Hive Authorization</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-web-console-and-rest-api-security/">Configuring Web Console and REST API Security</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="/drill/docs/configuration-options-introduction/">Configuration Options Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/start-up-options/">Start-Up Options</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/planning-and-execution-options/">Planning and Execution Options</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/persistent-configuration-storage/">Persistent Configuration Storage</a></li> - - </ul> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/ports-used-by-drill/">Ports Used by Drill</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-the-drill-shell/">Configuring the Drill Shell</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="/drill/docs/connect-a-data-source-introduction/">Connect a Data Source Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/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="/drill/docs/plugin-configuration-basics/">Plugin Configuration Basics</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/workspaces/">Workspaces</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drill-default-input-format/">Drill Default Input Format</a></li> - - </ul> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/file-system-storage-plugin/">File System Storage Plugin</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/hbase-storage-plugin/">HBase Storage Plugin</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/hive-storage-plugin/">Hive Storage Plugin</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/rdbms-storage-plugin/">RDBMS Storage Plugin</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/mongodb-storage-plugin/">MongoDB Storage Plugin</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/mapr-db-format/">MapR-DB Format</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/s3-storage-plugin/">S3 Storage Plugin</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="/drill/docs/interfaces-introduction/">Interfaces Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/using-the-jdbc-driver/">Using the JDBC Driver</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/using-jdbc-with-squirrel-on-windows/">Using JDBC with SQuirreL on Windows</a></li> - - - - <li class="toctree-l2"><a href="javascript: void(0);">Installing the ODBC Driver</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-the-driver-on-linux/">Installing the Driver on Linux</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/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="/drill/docs/installing-the-driver-on-windows/">Installing the Driver on Windows</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-the-tdc-file-on-windows/">Installing the TDC File on Windows</a></li> - - </ul> - - - - <li class="toctree-l2"><a href="javascript: void(0);">Configuring ODBC</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/odbc-configuration-reference/">ODBC Configuration Reference</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-odbc-on-linux/">Configuring ODBC on Linux</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-odbc-on-mac-os-x/">Configuring ODBC on Mac OS X</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-odbc-on-windows/">Configuring ODBC on Windows</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/testing-the-odbc-connection/">Testing the ODBC Connection</a></li> - - </ul> - - - - <li class="toctree-l2"><a href="javascript: void(0);">Using Drill Explorer</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drill-explorer-introduction/">Drill Explorer Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/connecting-drill-explorer-to-data/">Connecting Drill Explorer to Data</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/browsing-data-and-defining-views/">Browsing Data and Defining Views</a></li> - - </ul> - - - - <li class="toctree-l2"><a href="javascript: void(0);">Using Drill with BI Tools</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-drill-with-bi-tools-introduction/">Using Drill with BI Tools Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/tableau-examples/">Tableau Examples</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-microstrategy-analytics-with-apache-drill/">Using MicroStrategy Analytics with Apache Drill</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-tibco-spotfire-desktop-with-drill/">Using Tibco Spotfire Desktop with Drill</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-tibco-spotfire-server-with-drill/">Configuring Tibco Spotfire Server with Drill</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-qlik-sense-with-drill/">Using Qlik Sense with Drill</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-apache-drill-with-tableau-9-desktop/">Using Apache Drill with Tableau 9 Desktop</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-apache-drill-with-tableau-9-server/">Using Apache Drill with Tableau 9 Server</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-jreport-with-drill/">Configuring JReport with Drill</a></li> - - </ul> - - - </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="/drill/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="/drill/docs/querying-a-file-system-introduction/">Querying a File System Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-json-files/">Querying JSON Files</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-parquet-files/">Querying Parquet Files</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-plain-text-files/">Querying Plain Text Files</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-directories/">Querying Directories</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-sequence-files/">Querying Sequence Files</a></li> - - </ul> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/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="/drill/docs/querying-complex-data-introduction/">Querying Complex Data Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sample-data-donuts/">Sample Data: Donuts</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/selecting-flat-data/">Selecting Flat Data</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-sql-functions-clauses-and-joins/">Using SQL Functions, Clauses, and Joins</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/selecting-nested-data-for-a-column/">Selecting Nested Data for a Column</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/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="/drill/docs/querying-hive/">Querying Hive</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/querying-the-information-schema/">Querying the INFORMATION SCHEMA</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/querying-system-tables/">Querying System Tables</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/monitoring-and-canceling-queries-in-the-drill-web-console/">Monitoring and Canceling Queries in the Drill Web Console</a></li> - - - </ul> - - - - <li class="toctree-l1"><a href="javascript: void(0);">Performance Tuning</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/performance-tuning-introduction/">Performance Tuning Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/partition-pruning/">Partition Pruning</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/optimizing-parquet-metadata-reading/">Optimizing Parquet Metadata Reading</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/choosing-a-storage-format/">Choosing a Storage Format</a></li> - - - - <li class="toctree-l2"><a href="javascript: void(0);">Query Plans and Tuning</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-plans-and-tuning-introduction/">Query Plans and Tuning Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/join-planning-guidelines/">Join Planning Guidelines</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/guidelines-for-optimizing-aggregation/">Guidelines for Optimizing Aggregation</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/modifying-query-planning-options/">Modifying Query Planning Options</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sort-based-and-hash-based-memory-constrained-operators/">Sort-Based and Hash-Based Memory-Constrained Operators</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/enabling-query-queuing/">Enabling Query Queuing</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/controlling-parallelization-to-balance-performance-with-multi-tenancy/">Controlling Parallelization to Balance Performance with Multi-Tenancy</a></li> - - </ul> - - - - <li class="toctree-l2"><a href="javascript: void(0);">Identifying Performance Issues</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-plans/">Query Plans</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-profiles/">Query Profiles</a></li> - - </ul> - - - - <li class="toctree-l2"><a href="javascript: void(0);">Performance Tuning Reference</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/physical-operators/">Physical Operators</a></li> - - </ul> - - - </ul> - - - - <li class="toctree-l1"><a href="javascript: void(0);">Log and Debug</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/error-messages/">Error Messages</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/modify-logback-xml/">Modify logback.xml</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/query-audit-logging/">Query Audit Logging</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="/drill/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="/drill/docs/supported-data-types/">Supported Data Types</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/date-time-and-timestamp/">Date, Time, and Timestamp</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/handling-different-data-types/">Handling Different Data Types</a></li> - - </ul> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/lexical-structure/">Lexical Structure</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/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="/drill/docs/about-sql-function-examples/">About SQL Function Examples</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/math-and-trig/">Math and Trig</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/data-type-conversion/">Data Type Conversion</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/date-time-functions-and-arithmetic/">Date/Time Functions and Arithmetic</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/string-manipulation/">String Manipulation</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/aggregate-and-aggregate-statistical/">Aggregate and Aggregate Statistical</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/functions-for-handling-nulls/">Functions for Handling Nulls</a></li> - - </ul> - - - - <li class="toctree-l2"><a href="javascript: void(0);">SQL Window Functions</a></li> - <ul style="display: none"> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sql-window-functions-introduction/">SQL Window Functions Introduction</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/aggregate-window-functions/">Aggregate Window Functions</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/ranking-window-functions/">Ranking Window Functions</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/value-window-functions/">Value Window Functions</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sql-window-functions-examples/">SQL Window Functions Examples</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="/drill/docs/nested-data-limitations/">Nested Data Limitations</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/flatten/">FLATTEN</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/kvgen/">KVGEN</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/repeated-count/">REPEATED_COUNT</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/repeated-contains/">REPEATED_CONTAINS</a></li> - - </ul> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/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="/drill/docs/supported-sql-commands/">Supported SQL Commands</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/alter-session/">ALTER SESSION</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/alter-system/">ALTER SYSTEM</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/create-table-as-ctas/">CREATE TABLE AS (CTAS)</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/partition-by-clause/">PARTITION BY Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/create-view/">CREATE VIEW</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/describe/">DESCRIBE</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drop-table/">DROP TABLE</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drop-view/">DROP VIEW</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/explain/">EXPLAIN</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/select/">SELECT</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/select-list/">SELECT List</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/from-clause/">FROM Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/group-by-clause/">GROUP BY Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/having-clause/">HAVING Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/limit-clause/">LIMIT Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/offset-clause/">OFFSET Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/order-by-clause/">ORDER BY Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/union-set-operator/">UNION Set Operator</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/where-clause/">WHERE Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/with-clause/">WITH Clause</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/show-databases-and-show-schemas/">SHOW DATABASES and SHOW SCHEMAS</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/show-files/">SHOW FILES</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/show-tables/">SHOW TABLES</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/use/">USE</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="/drill/docs/case/">CASE</a></li> - - </ul> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/reserved-keywords/">Reserved Keywords</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/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="/drill/docs/data-sources-and-file-formats-introduction/">Data Sources and File Formats Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/hive-to-drill-data-type-mapping/">Hive-to-Drill Data Type Mapping</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/deploying-and-using-a-hive-udf/">Deploying and Using a Hive UDF</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/parquet-format/">Parquet Format</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/json-data-model/">JSON Data Model</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/text-files-csv-tsv-psv/">Text Files: CSV, TSV, PSV</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/sequence-files/">Sequence Files</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="/drill/docs/develop-custom-functions-introduction/">Develop Custom Functions Introduction</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/developing-a-simple-function/">Developing a Simple Function</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/tutorial-develop-a-simple-function/">Tutorial: Develop a Simple Function</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/developing-an-aggregate-function/">Developing an Aggregate Function</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/adding-custom-functions-to-drill/">Adding Custom Functions to Drill</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/using-custom-functions-in-queries/">Using Custom Functions in Queries</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/custom-function-interfaces/">Custom Function Interfaces</a></li> - - - </ul> - - - - <li class="toctree-l1"><a class="reference internal" href="/drill/docs/troubleshooting/">Troubleshooting</a></li> - - - - <li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li> - <ul style="display: none"> - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/rest-api/">REST API</a></li> - - - - <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="/drill/docs/compiling-drill-from-source/">Compiling Drill from Source</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/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="/drill/docs/apache-drill-contribution-guidelines/">Apache Drill Contribution Guidelines</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/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="/drill/docs/drill-plan-syntax/">Drill Plan Syntax</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/rpc-overview/">RPC Overview</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-stages/">Query Stages</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/docs/useful-research/">Useful Research</a></li> - - <li class="toctree-l3"><a class="reference internal" href="/drill/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="/drill/docs/apache-drill-1-3-0-release-notes/">Apache Drill 1.3.0 Release Notes</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-1-2-0-release-notes/">Apache Drill 1.2.0 Release Notes</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-1-1-0-release-notes/">Apache Drill 1.1.0 Release Notes</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-0-9-0-release-notes/">Apache Drill 0.9.0 Release Notes</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/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="/drill/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="/drill/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="/drill/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="/drill/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="/drill/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="/drill/docs/apache-drill-0-4-0-release-notes/">Apache Drill 0.4.0 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="/drill/docs/aol-search/">AOL Search</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/enron-emails/">Enron Emails</a></li> - - - - <li class="toctree-l2"><a class="reference internal" href="/drill/docs/wikipedia-edit-history/">Wikipedia Edit History</a></li> - - - </ul> - - - - <li class="toctree-l1"><a class="reference internal" href="/drill/docs/project-bylaws/">Project Bylaws</a></li> - - - </ul> - - </div> - </div> -</aside> - - -<nav class="breadcrumbs"> - <li><a href="/drill/docs/">Docs</a></li> - - - <li><a href="/drill/docs/configure-drill/">Configure Drill</a></li> - - <li>Configure Drill Introduction</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/010-configure-drill-introduction.md"; target="_blank"><i class="fa fa-pencil-square-o"></i></a> - - - <div class="int_title left"> - <h1>Configure Drill Introduction</h1> - - </div> - - <link href="/drill/css/docpage.css" rel="stylesheet" type="text/css"> - - <div class="int_text" align="left"> - - <p>This section briefly describes the following key Drill configuration tasks and provides links to configuration procedures:</p> - -<ul> -<li>Memory Configuration</li> -<li>Multitenancy Configuration</li> -<li>Performance and Functionality Configuration</li> -<li>Query Profile Data Storage Configuration </li> -</ul> - -<h2 id="memory-configuration">Memory Configuration</h2> - -<p>When using Drill, you need to make sufficient memory available Drill when running Drill alone or along side other workloads on the cluster. The next section, <a href="/drill/docs/configuring-drill-memory">"Configuring Drill Memory"</a> describes how to configure memory for a Drill cluster. </p> - -<h2 id="multitenancy-configuration">Multitenancy Configuration</h2> - -<p>You can configure resources for <a href="/drill/docs/configuring-multitenant-resources">multitenancy clusters</a> or for <a href="/drill/docs/configuring-a-shared-drillbit">sharing a Drillbit</a> on a cluster.</p> - -<h2 id="performance-and-functionality-configuration">Performance and Functionality Configuration</h2> - -<p>You can also modify options for performance or functionality. For example, changing the default storage format is a typical functional change. The default storage format for CTAS -statements is Parquet. Using a configuration option, you can modify Drill to store the output data in CSV or JSON format. The section, <a href="/drill/docs/configuration-options-introduction">"Configuration Options Introduction"</a> summarizes the many options you can configure. </p> - -<h2 id="query-profile-data-storage-configuration">Query Profile Data Storage Configuration</h2> - -<p>To avoid problems working with the Web Console, you need to <a href="/drill/docs/persistent-configuration-storage/#configuring-zookeeper-pstore">configure the ZooKeeper PStore</a>.</p> - - - - <div class="doc-nav"> - - <span class="previous-toc"><a href="/drill/docs/configure-drill/">â Configure Drill</a></span><span class="next-toc"><a href="/drill/docs/configuring-drill-memory/">Configuring Drill Memory 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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