MinervaDB Blog

InnoDB Parallel Redo Logs MySQL 8
InnoDB

How do InnoDB Parallel Redo Logs work in MySQL 8?

Introduction Parallel redo logging in InnoDB, introduced in MySQL 8.0, significantly improves write-heavy workload performance. It boosts redo log efficiency, especially on multi-core systems. Here's how it works.  Background of Redo Logs in InnoDB Introduction [...]
PostgreSQL 11 to 15 Using pg_upgrade
PostgreSQL Upgrade

Step-by-Step Guide to Migrating from PostgreSQL 11 to 15 Using pg_upgrade

Discover a comprehensive guide on how to seamlessly migrate from PostgreSQL 11 to 15 using the pg_upgrade tool. Our step-by-step tutorial ensures a smooth and efficient database upgrade process with minimal disruption, covering installation, preparation, execution, and post-upgrade steps. Perfect for database administrators looking to upgrade to PostgreSQL 15 with confidence.
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Tuning InnoDB I/O Threads for Optimal Performance
InnoDB

Enhancing MySQL 8 on Modern Hardware: A Guide to Tuning InnoDB I/O Threads for Optimal Performance

In this comprehensive guide, we delve into the advanced tuning of `innodb_read_io_threads` and `innodb_write_io_threads` in MySQL 8, specifically tailored for modern hardware infrastructures. We cover essential strategies for incrementally adjusting these settings to harness the full capabilities of SSDs and multi-core processors, ensuring a balanced and efficient use of resources. The guide also emphasizes the importance of monitoring performance metrics to gauge the impact of tuning efforts, while highlighting the need to maintain a balance between read and write operations for optimal database performance. Whether you're dealing with read-intensive or write-heavy workloads, this guide provides actionable insights for optimizing MySQL 8 on the latest hardware technologies.
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Troubleshooting PostgreSQL Error 53300: TOO_MANY_CONNECTIONS
PostgreSQL Troubleshooting

PostgreSQL Too Many Connections: Troubleshooting Error 53300

When you encounter the 53300: TOO_MANY_CONNECTIONS error in PostgreSQL, it indicates that your database has reached its maximum configured limit for simultaneous connections. This can happen due to high traffic, inefficient application design, or insufficient configuration settings.
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Troubleshooting of MySQL Query Latency and Index Usage with eBPF
MySQL Troubleshooting

MySQL eBPF: Advanced Troubleshooting of Query Latency and Index Usage

Using eBPF (extended Berkeley Packet Filter) for troubleshooting MySQL query latency and index usage is a sophisticated technique that leverages Linux's advanced tracing capabilities. eBPF allows you to trace system and application-level metrics without significant performance overhead
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GDPR-Compliant Data Obfuscation in PostgreSQL
PostgreSQL Security

PostgreSQL Data Obfuscation: GDPR-Compliant Implementation

Implementing data obfuscation in PostgreSQL to comply with the General Data Protection Regulation (GDPR) involves transforming sensitive data into a less sensitive form, a process that helps protect personal data while maintaining its usability.
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