--- --- h2. Getting Started * "Concepts":./ * "Hello, Druid":../tutorials/tutorial-a-first-look-at-druid.html * "Tutorials":../tutorials/index.html * "Evaluate Druid":../misc/evaluate.html h2. Data Ingestion * "Overview":../ingestion/ingestion-overview.html * "Data Formats":../ingestion/data-formats.html * "Data Schema":../ingestion/index.html * "Realtime Ingestion":../ingestion/realtime-ingestion.html * "Batch Ingestion":../ingestion/batch-ingestion.html * "FAQ":../ingestion/ingestion-faq.html h2. Querying * "Overview":../querying/querying.html * "Timeseries":../querying/timeseriesquery.html * "TopN":../querying/topnquery.html * "GroupBy":../querying/groupbyquery.html * "Time Boundary":../querying/timeboundaryquery.html * "Segment Metadata":../querying/segmentmetadataquery.html * "DataSource Metadata":../querying/datasourcemetadataquery.html * "Search":../querying/searchquery.html * Components ** "Filters":../querying/filters.html ** "Aggregations":../querying/aggregations.html ** "Post Aggregations":../querying/post-aggregations.html ** "Granularities":../querying/granularities.html ** "DimensionSpecs":../querying/dimensionspecs.html h2. Design * "Overview":../design/design.html * Storage ** "Segments":../design/segments.html * Node Types ** "Historical":../design/historical.html ** "Broker":../design/broker.html ** "Coordinator":../design/coordinator.html ** "Indexing Service":../design/indexing-service.html ** "Realtime":../design/realtime.html * Dependencies ** "Deep Storage":../dependencies/deep-storage.html ** "Metadata Storage":../dependencies/metadata-storage.html ** "ZooKeeper":../dependencies/zookeeper.html h2. Operations * "Good Practices":../operations/recommendations.html * "Including Extensions":../operations/including-extensions.html * "Data Retention":../operations/rule-configuration.html * "Metrics and Monitoring":../operations/metrics.html * "Alerts":../operations/alerts.html * "Updating the Cluster":../operations/rolling-updates.html * "Different Hadoop Versions":../operations/other-hadoop.html * "Performance FAQ":../operations/performance-faq.html h2. Configuration * "Common Configuration":../configuration/index.html * "Indexing Service":../configuration/indexing-service.html * "Coordinator":../configuration/coordinator.html * "Historical":../configuration/historical.html * "Broker":../configuration/broker.html * "Realtime":../configuration/realtime.html * "Configuring Logging":../configuration/logging.html * "Simple Cluster Configuration":../configuration/simple-cluster.html * "Production Cluster Configuration":../configuration/production-cluster.html * "Production Hadoop Configuration":../configuration/hadoop.html h2. Development * "Libraries":../development/libraries.html * "Extending Druid":../development/modules.html * "Build From Source":../development/build.html * "Versioning":../development/versioning.html "Integration":../development/integrating-druid-with-other-technologies.html * Experimental Features ** "Overview":../development/experimental.html ** "Geographic Queries":../development/geo.html ** "Select Query":../development/select-query.html ** "Approximate Histograms and Quantiles":../development/approximate-histograms.html ** "Router node":../development/router.html h2. Misc * "Papers & Talks":../misc/papers-and-talks.html * "Thanks":/thanks.html