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  • Book Overview & Buying Neo4j High Performance
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Neo4j High Performance

Neo4j High Performance

By : Sonal Raj
1 (1)
Buy this Book
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Neo4j High Performance

Neo4j High Performance

1 (1)
By: Sonal Raj
Buy this Book

Overview of this book

If you are a professional or enthusiast who has a basic understanding of graphs or has basic knowledge of Neo4j operations, this is the book for you. Although it is targeted at an advanced user base, this book can be used by beginners as it touches upon the basics. So, if you are passionate about taming complex data with the help of graphs and building high performance applications, you will be able to get valuable insights from this book.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with Neo4j
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1. Getting Started with Neo4j
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Graphs and their utilities
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Types of NoSQL databases
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The Neo4j graph database
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The Neo4j setup and configurations
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Configure Neo4j for Amazon clusters
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Cloud deployment with Azure
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Summary
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2. Querying and Indexing in Neo4j
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2. Querying and Indexing in Neo4j
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The Neo4j interface
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Introduction to Cypher
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Cypher graph operations
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Advanced Cypher tricks
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Gremlin – an overview
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Indexing in Neo4j
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Migration techniques for SQL users
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Useful code snippets
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Summary
3
3. Efficient Data Modeling with Graphs
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3. Efficient Data Modeling with Graphs
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Data models
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Property graphs
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Design constraints in Neo4j
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Graph modeling techniques
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Schema design patterns
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Modeling across multiple domains
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Summary
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4. Neo4j for High-volume Applications
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4. Neo4j for High-volume Applications
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Graph processing
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Big data and graphs
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Processing with Hadoop or Neo4j
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Managing transactions
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The graphalgo package
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Introduction to Spring Data Neo4j
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Summary
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5. Testing and Scaling Neo4j Applications
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5. Testing and Scaling Neo4j Applications
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Testing Neo4j applications
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Unit testing
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Performance testing
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Benchmarking performance with Gatling
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Scaling Neo4j applications
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Summary
6
6. Neo4j Internals
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6. Neo4j Internals
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Introduction to Neo4j internals
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Working of your code
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Storage for properties
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Caching internals
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Cache types
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Transactions
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High availability
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Summary
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7. Administering Neo4j
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7. Administering Neo4j
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Interfacing with the tools and frameworks
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Admin tricks
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Memory mapped I/O configuration
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Neo4j server logging
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Neo4j server security
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Summary
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8. Use Case – Similarity-based Recommendation System
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8. Use Case – Similarity-based Recommendation System
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The why and how of recommendations
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Building a recommendation system
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Recommendations on map data
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Visualization of graphs
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Summary
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Index
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Index

Memory mapped I/O configuration

Memory mapped I/O can be used for read/writes to every file in the Neo4j storage. The best performance will be obtained if complete memory mapping of the file can occur, but if there is a shortage of memory for that, then Neo4j tries to optimize the memory use.

Note

Neo4j makes extensive use of the java.nio native Java package. Use of the native I/O package allows the allocation of memory external to the Java heap, which has to be handled separately. It will also depend on other system processes using memory. Neo4j allocates memory, which is a total of the JVM heap memory and the memory mapping needs, leaving the remaining memory for system processes.

It is not a great idea to use the complete available system memory for heap memory. The Neo4j data store (in the Neo4j database directory) stores the data in separate files which are outlined as follows:

  • nodestore: It is used to store node information

  • relationshipstore: It is used to store relationship information...

CONTINUE READING
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Tech Concepts
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Programming languages
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Neo4j High Performance
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