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ETEduard Tymchenkoreleemdev.hashnode.devFeb 18 · 4 min read

MySQL Memory Usage A Guide to Optimization

Struggling with MySQL memory spikes? Knowing how and where memory is allocated can make all the difference in maintaining a fast, reliable database. From global buffers to session-specific allocations, understanding the details of MySQL’s memory mana...

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TITech Insights Hubtopperblog.hashnode.devFeb 12 · 10 min read

MySQL Tuning: InnoDB Configuration

Why Traditional MySQL Tuning Approaches Fall Short The conventional wisdom of "set innodb_buffer_pool_size to 70% of RAM" oversimplifies a complex optimization problem. Modern cloud instances offer diverse memory-to-CPU ratios, NVMe storage changes I...

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MVMyroslav Vivcharykdevgeist.comFeb 3 · 7 min read

The Ghost in the Database: Why Is This Empty Table Taking 20 Seconds to Query?

SELECT * FROM my_table; Query execution time: ~5 seconds Table rows: 0 This made absolutely no sense. A few years ago, I found myself staring at a performance metric that defied logic. We had a table that was, for all intents and purposes, empty. Yet...

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SIShiv Iyershiviyer.hashnode.devJan 28, 2025 · 1 min read

How do you implement audit logging in Percona Server for MySQL?

Steps to Implement Audit Logging 1. Install the Audit Log Plugin INSTALL PLUGIN audit_log SONAME 'audit_log.so'; 2. Configure the Plugin Add the following configuration to your my.cnf file: [mysqld] audit_log_file = /var/log/mysql/audit.log audit_lo...

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SIShiv Iyerpostgresqlblog.hashnode.devJun 11, 2024 · 3 min read

PostgreSQL 16: New Query Intelligence Features for Better Performance

PostgreSQL 16 introduces several enhancements to its query planner and executor, often referred to as built-in query intelligence. These improvements aim to make query planning and execution more efficient, intelligent, and adaptable. Here are some o...

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DDbVisualizerthetable.hashnode.devJun 10, 2024 · 1 min read

Mastering MySQL: The Essential Role of ibdata1 in InnoDB

In MySQL, the InnoDB storage engine uses the ibdata1 file to manage critical database functions. This guide offers a concise overview of its role and management. Key aspects of ibdata1 Data and Indexes Stored unless innodb_file_per_table is set. Doub...

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SSSameer Sointhewanderingengineer.hashnode.devApr 1, 2024 · 15 min read

Deep Dive into Data Storage in Databases: The InnoDB Engine

Introduction The way databases store data on disk is both intricate and fascinating. It combines principles of computer science, data management, and software engineering. In this deep dive, we'll expand our focus on InnoDB, a popular storage engine ...

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SIShiv Iyershiviyer.hashnode.devMar 25, 2024 · 3 min read

How to Improve Log File Sync in MySQL InnoDB for Better Performance: A Tutorial

The log file sync breakdown in MySQL's InnoDB storage engine is a critical aspect of understanding the performance and efficiency of database transactions. InnoDB uses a write-ahead logging (WAL) strategy to ensure data integrity and consistency, whi...

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SIShiv Iyershiviyer.hashnode.devFeb 1, 2024 · 3 min read

Tips and tricks for troubleshooting node corruption of InnoDB cluster in MySQL 8?

Troubleshooting node corruption in an InnoDB Cluster in MySQL 8 requires a careful approach to diagnose issues and recover from them without jeopardizing the integrity of the entire cluster. Here are some tips and tricks: 1. Identify the Corrupted No...

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SIShiv Iyershiviyer.hashnode.devJan 24, 2024 · 2 min read

Why should you not be using BIT or BOOLEAN Flags in MariaDB?

Using BIT or BOOLEAN flags in MariaDB can lead to performance and maintenance issues in certain scenarios. Here are some reasons why you should be cautious when using these data types: Performance: BIT and BOOLEAN flags can negatively impact the per...

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#innodb

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Trending tags this week

MySQL Memory Usage A Guide to Optimization

MySQL Tuning: InnoDB Configuration

The Ghost in the Database: Why Is This Empty Table Taking 20 Seconds to Query?

How do you implement audit logging in Percona Server for MySQL?

PostgreSQL 16: New Query Intelligence Features for Better Performance

Mastering MySQL: The Essential Role of ibdata1 in InnoDB

Deep Dive into Data Storage in Databases: The InnoDB Engine

How to Improve Log File Sync in MySQL InnoDB for Better Performance: A Tutorial

Tips and tricks for troubleshooting node corruption of InnoDB cluster in MySQL 8?

Why should you not be using BIT or BOOLEAN Flags in MariaDB?