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  • Book Overview & Buying Mastering MariaDB
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Mastering MariaDB

Mastering MariaDB

By : Razzoli
3.8 (10)
Buy this Book
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Mastering MariaDB

Mastering MariaDB

3.8 (10)
By: Razzoli
Buy this Book

Overview of this book

This book is intended for intermediate users who want to learn how to administrate a MariaDB server or a set of servers. It is aimed at MariaDB users, and hence working knowledge of MariaDB is a prerequisite.
Table of Contents (14 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
Lock Free Chapter
1
1. Understanding the Essentials of MariaDB
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1. Understanding the Essentials of MariaDB
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The MariaDB architecture
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The command-line client
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Storage engines
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Logs
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MariaDB caches
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InnoDB data structures
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Authentication and security
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The information_schema database
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The performance_schema database
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Compatibility with MySQL and other DBMS
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MariaDB resources
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Summary
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2. Debugging
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2. Debugging
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Understanding error conditions in MariaDB
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The diagnostics area
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The GET DIAGNOSTICS statement
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The error log
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System logs
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The general query log
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Maintenance of the server logs
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The SQL_ERROR_LOG plugin
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Tips on debugging stored programs
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Debugging stored programs using the SQL_ERROR_LOG plugin
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Summary
3
3. Optimizing Queries
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3. Optimizing Queries
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The slow query log
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Explaining the pt-query-digest command from Percona Toolkit
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Introducing indexes
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Working with the EXPLAIN statement
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Summary
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4. Transactions and Locks
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4. Transactions and Locks
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The InnoDB locks
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Reads consistency
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Deadlocks
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Transactions
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Metadata locks
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Summary
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5. Users and Connections
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5. Users and Connections
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User accounts
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Setting permissions using roles
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Connecting MariaDB through Secure Socket Layer
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Authentication plugins
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Monitoring connections
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Summary
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6. Caches
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6. Caches
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InnoDB caches
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MyISAM key cache
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Aria page cache
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The query cache explained
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The table open cache
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Per-session buffers
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Summary
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7. InnoDB Compressed Tables
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7. InnoDB Compressed Tables
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An overview of the InnoDB compression
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InnoDB compression requirements
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Explaining the file-per-table mode
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Creating InnoDB compressed tables
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Explaining the implementation of the InnoDB compression
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Monitoring the InnoDB compression performance
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Other compression solutions
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Summary
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8. Backup and Disaster Recovery
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8. Backup and Disaster Recovery
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Types of backups
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Complete and incremental backups
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Creating a dump file with mysqldump
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Delimited text backups
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Physical backups
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Using the binary log for incremental backups
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Percona XtraBackup
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Securing backups
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Repairing tables
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Summary
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9. Replication
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9. Replication
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An overview of replication
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Choosing a binary log format
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Configuring replication
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Multisource replication
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Replication logs
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Checking the replication for errors
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Troubleshooting
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Summary
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10. Table Partitioning
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10. Table Partitioning
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Support for partitioning
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Partitioning types and expressions
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Administering partitioned tables
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Partitions' physical files
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Query optimizations
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Summary
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11. Data Sharding
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11. Data Sharding
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Distributing files between multiple disks
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The FEDERATEDX and CONNECT storage engines
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The SPIDER storage engine
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Summary
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12. MariaDB Galera Cluster
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12. MariaDB Galera Cluster
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MariaDB Galera Cluster key concepts
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Setting up a cluster
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Starting the nodes
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Configuring the cluster
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Monitoring and troubleshooting
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Load balancing
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Listing the limitations of Galera Cluster
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Galera Load Balancer
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Summary
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Index
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Index

Chapter 3. Optimizing Queries

This chapter explains the basics of how to improve the performance of the queries that are executed on a MariaDB server. First, the important tools required to find slow queries are described. Once we find such queries, we will need to find out why they are slow. Thus, a description of how MariaDB uses indexes follows. Then, we will discuss the EXPLAIN command, which shows how MariaDB executes a query. Contextually, we will also discuss the main execution strategy.

The topics covered in this chapter are:

  • The slow query log
  • The pt-query-digest command from Percona Toolkit
  • Indexes
  • Table statistics
  • The EXPLAIN statement
  • Important MariaDB optimizations
CONTINUE READING
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Programming languages
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Mastering MariaDB
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