Feb 18 · 4 min read · 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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Feb 12 · 10 min read · 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...
Join discussionFeb 3 · 7 min read · 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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Jan 28, 2025 · 1 min read · 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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Jun 11, 2024 · 3 min read · 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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Jun 10, 2024 · 1 min read · 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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Apr 1, 2024 · 15 min read · 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 ...
Join discussionMar 25, 2024 · 3 min read · 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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Feb 1, 2024 · 3 min read · 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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Jan 24, 2024 · 2 min read · 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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