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Spis treści

Delta Lake: The Definitive Guide eBook -- spis treści

• Foreword by Michael Armbrust
• Foreword by Dominique Brezinski
• Preface
  • Who This Book Is For
  • How This Book Is Organized
  • Conventions Used in This Book
  • Using Code Examples
  • OReilly Online Learning
  • How to Contact Us
  • Acknowledgments
    • Denny
    • Tristen
    • Scott
    • Prashanth
• 1. Introduction to the Delta Lake Lakehouse Format
  • The Genesis of Delta Lake
    • Data Warehousing, Data Lakes, and Data Lakehouses
      • Data warehousing
      • Data lakes
      • Lakehouses (or data lakehouses)
    • Project Tahoe to Delta Lake: The Early Years Months
  • What Is Delta Lake?
    • Common Use Cases
    • Key Features
  • Anatomy of a Delta Lake Table
  • Delta Transaction Protocol
    • Understanding the Delta Lake Transaction Log at the File Level
    • The Single Source of Truth
    • The Relationship Between Metadata and Data
    • Multiversion Concurrency Control (MVCC) File and Data Observations
    • Observing the Interaction Between the Metadata and Data
    • Table Features
  • Delta Kernel
  • Delta UniForm
  • Conclusion
• 2. Installing Delta Lake
  • Delta Lake Docker Image
    • Delta Lake for Python
    • PySpark Shell
    • JupyterLab Notebook
    • Scala Shell
    • Delta Rust API
    • ROAPI
  • Native Delta Lake Libraries
    • Multiple Bindings Available
    • Installing the Delta Lake Python Package
  • Apache Spark with Delta Lake
    • Setting Up Delta Lake with Apache Spark
    • Prerequisite: Set Up Java
    • Setting Up an Interactive Shell
      • Spark SQL shell
      • PySpark shell
      • Spark Scala shell
  • PySpark Declarative API
  • Databricks Community Edition
    • Create a Cluster with Databricks Runtime
    • Importing Notebooks
    • Attaching Notebooks
  • Conclusion
• 3. Essential Delta Lake Operations
  • Create
    • Creating a Delta Lake Table
    • Loading Data into a Delta Lake Table
      • INSERT INTO
      • Append
      • CREATE TABLE AS SELECT
    • The Transaction Log
  • Read
    • Querying Data from a Delta Lake Table
    • Reading with Time Travel
  • Update
  • Delete
    • Deleting Data from a Delta Lake Table
    • Overwriting Data in a Delta Lake Table
      • The replace method
      • Overwrite mode
      • INSERT OVERWRITE
  • Merge
  • Other Useful Actions
    • Parquet Conversions
      • Regular Parquet conversion
      • Iceberg conversion
    • Delta Lake Metadata and History
  • Conclusion
• 4. Diving into the Delta Lake Ecosystem
  • Connectors
  • Apache Flink
    • Flink DataStream Connector
    • Installing the Connector
    • DeltaSource API
      • Bounded mode
        • Builder options
        • Generating the bounded source
      • Continuous mode
        • Builder options
        • Generating the continuous source
      • Table schema discovery
      • Using the DeltaSource
    • DeltaSink API
      • Builder options
      • Exactly-once guarantees
    • End-to-End Example
  • Kafka Delta Ingest
    • Install Rust
    • Build the Project
      • Set up your local environment
      • Build the connector
    • Run the Ingestion Flow
  • Trino
    • Getting Started
      • Connector requirements
      • Running the Hive Metastore
    • Configuring and Using the Trino Connector
    • Using Show Catalogs
    • Creating a Schema
    • Show Schemas
    • Working with Tables
      • Data types
      • CREATE TABLE options
      • Creating tables
      • Listing tables
      • Inspecting tables
      • Using INSERT
      • Querying Delta tables
      • Updating rows
      • Creating tables with selection
    • Table Operations
      • Vacuum
      • Table optimization
      • Metadata tables
      • Table history
      • Change Data Feed
      • Viewing table properties
      • Modifying table properties
      • Deleting tables
  • Conclusion
• 5. Maintaining Your Delta Lake
  • Using Delta Lake Table Properties
    • Delta Lake Table Properties Reference
    • Create an Empty Table with Properties
    • Populate the Table
    • Evolve the Table Schema
    • Add or Modify Table Properties
    • Remove Table Properties
  • Delta Lake Table Optimization
    • The Problem with Big Tables and Small Files
      • Creating the small file problem
    • Using OPTIMIZE to Fix the Small File Problem
      • OPTIMIZE
      • Z-Order Optimize
  • Table Tuning and Management
    • Partitioning Your Tables
      • Table partitioning rules
      • Choose the right partition column
    • Defining Partitions on Table Creation
    • Migrating from a Nonpartitioned to a Partitioned Table
      • Partition metadata management
      • Viewing partition metadata
  • Repairing, Restoring, and Replacing Table Data
    • Recovering and Replacing Tables
    • Deleting Data and Removing Partitions
    • The Life Cycle of a Delta Lake Table
    • Restoring Your Table
    • Cleaning Up
      • Vacuum
      • Dropping tables
      • Removing all traces of a Delta Lake Table
  • Conclusion
• 6. Building Native Applications with Delta Lake
  • Getting Started
    • Python
      • Reading large datasets
        • Partitions
        • File statistics
      • Writing data
      • Merging/updating
      • Going beyond Pandas
        • RecordBatch
        • Table
        • DataSet
    • Rust
      • Reading large data
      • Writing data
      • Merging/updating
    • Building a Lambda
      • Python
      • Rust
      • Concurrent writes on AWS S3
        • S3DynamoDBLogStore
        • DynamoDB lock
      • Concurrency with S3-compatible stores
  • Whats Next
• 7. Streaming In and Out of Your Delta Lake
  • Streaming and Delta Lake
    • Streaming Versus Batch Processing
      • Streaming terminology
        • Source
        • Sink
        • Checkpoint
        • Watermark
      • Apache Flink
      • Apache Spark
      • Delta-rs
    • Delta as Source
    • Delta as Sink
  • Delta Streaming Options
    • Limit the Input Rate
    • Ignore Updates or Deletes
      • The ignoreDeletes setting
      • The ignoreChanges setting
      • Example
    • Initial Processing Position
    • Initial Snapshot with withEventTimeOrder
  • Advanced Usage with Apache Spark
    • Idempotent Stream Writes
      • Idempotent writes
      • Merge
    • Delta Lake Performance Metrics
      • Metrics
      • Custom metrics
  • Auto Loader and Delta Live Tables
    • Auto Loader
    • Delta Live Tables
  • Change Data Feed
    • Using Change Data Feed
      • Enabling the change data feed
      • Reading the changes feed
        • Specifying boundaries for batch processes
        • Specifying boundaries for streaming processes
    • Schema
  • Conclusion
• 8. Advanced Features
  • Generated Columns, Keys, and IDs
  • Comments and Constraints
    • Comments
    • Delta Table Constraints
  • Deletion Vectors
    • Merge-on-Read
    • Stepping Through Deletion Vectors
  • Conclusion
• 9. Architecting Your Lakehouse
  • The Lakehouse Architecture
    • What Is a Lakehouse?
    • Learning from Data Warehouses
    • Learning from Data Lakes
    • The Dual-Tier Data Architecture
    • Lakehouse Architecture
  • Foundations with Delta Lake
    • Open Source on Open Standards in an Open Ecosystem
      • Open file format
      • Self-describing table metadata
      • Open table specification
      • Delta Universal Format (UniForm)
    • Transaction Support
      • Serializable writes
      • Snapshot isolation for reads
      • Support for incremental processing
      • Support for time travel
    • Schema Enforcement and Governance
      • Schema-on-write
      • Schema-on-read
      • Separation between storage and compute
      • Support for transactional streaming
      • Unified access for analytical and ML workloads
      • The Delta Sharing Protocol
  • The Medallion Architecture
    • Exploring the Bronze Layer
      • Minimal transformations and augmentation
    • Exploring the Silver Layer
      • Used for cleaning and filtering data
      • Establishes a layer for augmenting data
      • Enable data quality checks and balances
    • Exploring the Gold Layer
      • Establishes high trust and high consistency
  • Streaming Medallion Architecture
  • Conclusion
• 10. Performance Tuning: Optimizing Your Data Pipelines with Delta Lake
  • Performance Objectives
    • Maximizing Read Performance
      • Point queries
      • Range queries
      • Aggregations
    • Maximizing Write Performance
      • Trade-offs
      • Conflict avoidance
  • Performance Considerations
    • Partitioning
      • Structure
      • Pitfalls
      • File sizes
    • Table Utilities
      • OPTIMIZE
      • Z-Ordering
      • Optimization automation in Spark
        • Autocompaction
        • Optimized writes
      • Vacuum
      • Databricks autotuning
    • Table Statistics
      • How statistics help
      • File statistics
      • Partition pruning and data skipping
      • Z-Ordering revisited
      • Lead by example
    • Cluster By
      • Explanation
      • Example
    • Bloom Filter Index
      • A deeper look
      • Configuration
  • Conclusion
• 11. Successful Design Patterns
  • Slashing Compute Costs
    • High-Speed Solutions
    • Smart Device Integration
      • Comcasts smart remote
      • Earlier attempts
      • Delta Lake reduces the complexity
  • Efficient Streaming Ingestion
    • Streaming Ingestion
    • The Inception of Delta Rust
    • The Evolution of Ingestion
  • Coordinating Complex Systems
    • Combining Operational Data Stores at DoorDash
    • Change Data Capture
    • Delta and Flink in Harmony
  • Conclusion
• 12. Foundations of Lakehouse Governance and Security
  • Lakehouse Governance
  • The Emergence of Data Governance
    • Data Products and Their Relationship to Data Assets
    • Data Products in the Lakehouse
    • Maintaining High Trust
  • Data Assets and Access
  • The Data Asset Model
  • Unifying Governance Between Data Warehouses and Lakes
    • Permissions Management
    • Filesystem Permissions
    • Cloud Object Store Access Controls
    • Identity and Access Management
      • Identity
      • Authentication
      • Authorization
      • Access management
    • Data Security
      • Role-based access controls
      • Establishing roles around personas
      • Data classification
      • Data assets and policy-as-code
        • Create an S3 bucket
        • Create an S3 Access Grants instance
        • Create the trust policy
        • Create the S3 data access policy
      • Applying policies at the role level
        • Read
        • ReadWrite
        • Admin
        • Limitations of RBAC
    • Fine-Grained Access Controls for the Lakehouse
  • Conclusion
• 13. Metadata Management, Data Flow, and Lineage
  • Metadata Management
    • What Is Metadata Management?
    • Data Catalogs
    • Data Reliability, Stewards, and Permissions Management
    • Why the Metastore Matters
    • Unity Catalog
  • Data Flow and Lineage
    • Data Lineage
      • Data application or workflow lineage
      • Use case: Automating data lineage using OpenLineage
      • Getting started with OpenLineage
    • Data Sharing
    • Automating Data Life Cycles
      • Using table properties to manage data life cycles
      • Add the retention policy to the Delta table
    • Audit Logging
    • Monitoring and Alerting
      • General compliance monitoring
      • Data quality and pipeline degradations
    • What Is Data Discovery?
  • Conclusion
• 14. Data Sharing with the Delta Sharing Protocol
  • The Basics of Delta Sharing
    • Data Providers
    • Data Recipients
  • Delta Sharing Server
    • Using the REST APIs
    • Anatomy of the REST URI
    • List Shares
    • Get Share
    • List Schemas in Share
      • List tables in schema
    • List All Tables in Share
  • Delta Sharing Clients
    • Delta Sharing with Apache Spark
      • PySpark client
      • Spark Scala client
      • Spark SQL client
    • Stream Processing with Delta Shares
    • Delta Sharing Community Connectors
  • Conclusion
• Index