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Apache Druid v0.18.1 Documentation
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Design

 Download  来源:apache druid 浏览 502 扫码 分享 2021-04-05 22:33:17
    • Design
    • Segments
    • Processes and servers
    • Deep storage
    • Metadata storage
    • ZooKeeper
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    • Apache Druid v31.0 Documentation
    • Apache Druid v30.0 Documentation
    • Apache Druid v29.0 Documentation
    • Apache Druid v28.0 Documentation
    • Apache Druid v27.0 Documentation
    • Apache Druid v26.0 Documentation
    • Apache Druid v25.0 Documentation
    • Apache Druid v24.0 Documentation
    • Apache Druid v0.23.0 Documentation
    • Apache Druid v0.22.1 Documentation
    • Apache Druid v0.22.0 Documentation
    • Apache Druid v0.21.1 Documentation
    • Apache Druid v0.21.0 Documentation
    • Apache Druid v0.20.2 Documentation
    • Apache Druid v0.20.1 Documentation
    • Apache Druid v0.20.0 Documentation
    • Apache Druid v0.19.0 Documentation
    • Apache Druid v0.18.1 Documentation
    • Apache Druid v0.18.0 Documentation
    • Apache Druid v0.17.1 Documentation
    • Getting started
      • Introduction to Apache Druid
      • Quickstart
      • Docker
      • Single server deployment
      • Clustered deployment
    • Tutorials
      • Loading files natively
      • Load from Apache Kafka
      • Load from Apache Hadoop
      • Querying data
      • Roll-up
      • Configuring data retention
      • Updating existing data
      • Compacting segments
      • Deleting data
      • Writing an ingestion spec
      • Transforming input data
      • Kerberized HDFS deep storage
    • Design
      • Design
      • Segments
      • Processes and servers
      • Deep storage
      • Metadata storage
      • ZooKeeper
    • Ingestion
      • Ingestion
      • Data formats
      • Schema design tips
      • Data management
      • Stream ingestion
        • Apache Kafka
        • Amazon Kinesis
        • Tranquility
      • Batch ingestion
        • Native batch
        • Hadoop-based
        • Task reference
        • Troubleshooting FAQ
    • Querying
      • Druid SQL
      • Native queries
      • Query execution
      • Concepts
        • Datasources
        • Joins
        • Lookups
        • Multi-value dimensions
        • Multitenancy
        • Query caching
        • Context parameters
      • Native query types
        • Timeseries
        • TopN
        • GroupBy
        • Scan
        • Search
        • TimeBoundary
        • SegmentMetadata
        • DatasourceMetadata
      • Native query components
        • Filters
        • Granularities
        • Dimensions
        • Aggregations
        • Post-aggregations
        • Expressions
        • Having filters (groupBy)
        • Sorting and limiting (groupBy)
        • Sorting (topN)
        • String comparators
        • Virtual columns
        • Spatial filters
    • Configuration
      • Configuration reference
      • Extensions
      • Logging
    • Operations
      • Management UIs
      • Basic cluster tuning
      • API reference
      • High availability
      • Rolling updates
      • Retaining or automatically dropping data
      • Metrics
      • Alerts
      • Working with different versions of Apache Hadoop
      • HTTP compression
      • TLS support
      • Password providers
      • dump-segment tool
      • reset-cluster tool
      • insert-segment-to-db tool
      • pull-deps tool
      • Misc
        • Deep storage migration
        • Web console
        • Export Metadata Tool
        • Getting started with Apache Druid
        • Metadata Migration
        • Segment Size Optimization
        • Content for build.sbt
    • Development
      • Developing on Druid
      • Creating extensions
      • JavaScript functionality
      • Build from source
      • Versioning
      • Experimental features
    • Misc
      • Papers
    • Hidden
      • Apache Druid vs Elasticsearch
      • Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB)
      • Apache Druid vs Kudu
      • Apache Druid vs Redshift
      • Apache Druid vs Spark
      • Apache Druid vs SQL-on-Hadoop
      • Authentication and Authorization
      • Broker
      • Coordinator Process
      • Historical Process
      • Indexer Process
      • Indexing Service
      • MiddleManager Process
      • Overlord Process
      • Router Process
      • Peons
      • Approximate Histogram aggregators
      • Apache Avro
      • Microsoft Azure
      • Bloom Filter
      • DataSketches extension
      • DataSketches HLL Sketch module
      • DataSketches Quantiles Sketch module
      • DataSketches Theta Sketch module
      • DataSketches Tuple Sketch module
      • Basic Security
      • Kerberos
      • Cached Lookup Module
      • Google Cloud Storage
      • HDFS
      • Apache Kafka Lookups
      • Globally Cached Lookups
      • MySQL Metadata Store
      • ORC Extension
      • Apache Parquet Extension
      • PostgreSQL Metadata Store
      • Protobuf
      • S3-compatible
      • Simple SSLContext Provider Module
      • Stats aggregator
      • Test Stats Aggregators
      • Ambari Metrics Emitter
      • Apache Cassandra
      • Rackspace Cloud Files
      • DistinctCount Aggregator
      • Graphite Emitter
      • Cardinality/HyperUnique aggregators
      • Select
      • InfluxDB Line Protocol Parser
      • InfluxDB Emitter
      • Kafka Emitter
      • Materialized View
      • Moment Sketches for Approximate Quantiles module
      • Moving Average Query
      • OpenTSDB Emitter
      • Druid Redis Cache
      • Microsoft SQLServer
      • StatsD Emitter
      • T-Digest Quantiles Sketch module
      • Thrift
      • Timestamp Min/Max aggregators
      • Realtime Process
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