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Table of Contents INTRODUCTION ............................................................................................... 1 About This Book ................................................................................... 1 Foolish Assumptions ............................................................................ 1 Icons Used in This Book ....................................................................... 2 Where to Go from Here ....................................................................... 2 CHAPTER 1: What Is Redis? ................................................................................ 3 Introducing NoSQL ............................................................................... 3 Defining NoSQL ............................................................................... 3 Identifying types of NoSQL databases ......................................... 4 Comparing NoSQL and relational databases .............................. 5 Seeing Where Redis Fits ...................................................................... 5 Multi-model databases .................................................................. 6 Data storage .................................................................................... 6 Data structure storage ................................................................... 6 CHAPTER 2: What Is Redis Used For? ......................................................... 7 Understanding the Components of Redis ......................................... 7 The server and the command-line interface ............................... 7 The client and drivers ..................................................................... 8 Databases, memory, and persistence .......................................... 8 Identifying How Redis Can Help You .................................................. 9 Personalization with session management ............................... 10 Social apps ..................................................................................... 10 Search ............................................................................................. 10 Redis in the Real World ...................................................................... 11 Caching ........................................................................................... 11 Large datasets ............................................................................... 11 Full-text search .............................................................................. 11 Geospatial and time-series data ................................................. 12 Messaging/queuing ...................................................................... 12 CHAPTER 3: Using Multi-Model Redis: Data Models, Structures, and Modules ..................................................... 13 Understanding the Redis Data Models ............................................ 14 Strings and bitmaps ...................................................................... 14 Lists ................................................................................................. 16 Sets ................................................................................................. 17 Table of Contents v These materials are © 2019 John Wiley & Sons, Inc. Any dissemination, distribution, or unauthorized use is strictly prohibited. Hashes ............................................................................................ 18 Sorted sets ..................................................................................... 19 HyperLogLog ................................................................................. 20 Patterns and Data Structures ........................................................... 21 Pub/sub .......................................................................................... 21 Geospatial ...................................................................................... 22 Streams .......................................................................................... 22 Modules ............................................................................................... 23 Redis Graph ................................................................................... 23 RediSearch ..................................................................................... 23 Redis TimeSeries ........................................................................... 24 CHAPTER 4: Redis Architecture and Topology ................................. 25 Understanding Clustering and High Availability ............................. 25 Redis Enterprise cluster architecture ......................................... 26 High availability ............................................................................. 26 Running Redis at scale ................................................................. 27 Redis on Flash ............................................................................... 28 Examining Transactions and Durability ........................................... 28 ACID ................................................................................................ 28 Durability........................................................................................ 29 CHAPTER 5: Using Redis Enterprise Cloud and Software ........ 31 Understanding Redis Enterprise ...................................................... 31 Redis Enterprise Software on Docker ......................................... 33 Redis Cloud .................................................................................... 33 Getting Started with Redis Enterprise.............................................