MinervaDB Blog: Mastering WebScale Database Infrastructure

Adaptive Joins in PostgreSQL 16 (mimicked feature)

Introduction PostgreSQL does not natively offer "Adaptive Hash Joins" as a built-in feature for query execution.Instead, the query planner selects join methods, such as nested loop, hash join, or merge join, during plan generation.Additionally, it [...]

MySQL Join Operations in MySQL 8: Optimizing for Performance and Scalability

Introduction MySQL, particularly the InnoDB engine used in MySQL 8, primarily relies on Nested Loop joins for query execution. However, understanding how joins work and implementing them efficiently is crucial for database performance and scalability. [...]

Optimizing MySQL 8 for Enhanced WRITE Performance

MySQL 8 WRITE Performance: Key Configuration Strategies

Introduction Tuning MySQL 8 for optimised write operations involves adjusting various settings and structures to enhance the performance of insertions, updates, and deletions. Here's a focused approach to tuning these write operations. Strategies to Tune [...]

Enable or Disable Adaptive Hash Indexing in MySQL?

Adaptive Hash Indexing MySQL: How to Enable or Disable

Introduction Deciding whether to enable or disable Adaptive Hash Indexing (AHI) in MySQL involves a careful evaluation of your database's workload characteristics and performance metrics. AHI can significantly speed up read operations for certain types [...]

How to Configure the Number of Background InnoDB I/O Threads in MySQL 8 for Performance?

Introduction In MySQL, configuring the number of background InnoDB I/O threads is crucial for performance optimization, especially on servers with multiple cores and high I/O capacity. InnoDB uses background threads for tasks like flushing dirty [...]

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 [...]

Optimize PostgreSQL Performance: Strategic Use of SKIP_DATABASE_STATS and ONLY_DATABASE_STATS

Optimize PostgreSQL Performance Configuring SKIP_DATABASE_STATS and ONLY_DATABASE_STATS in PostgreSQL requires careful consideration to optimize PostgreSQL performance and maintain efficient database operations. In summary, while these options can customize backups to suit specific needs, their incorrect [...]

Speed Up Your PostgreSQL 16 Backups with Improved pg_dump

Backups with pg_dump: Speed Up Your PostgreSQL 16 Backups

Example: When using pg_dump in PostgreSQL 16, you can specify the compression method: Here, -F c specifies custom-format output, -Z specifies the compression level (1 for LZ4, 3 for ZSTD), and -f specifies the output [...]

Installing and Configuring pgvector in PostgreSQL: A Step-by-Step Guide

Introduction - pgvector in PostgreSQL pgvectorin PostgreSQL is an open-source extension designed to efficiently handle vector data within the database. It's particularly useful for machine learning and similar applications where working with vector data is [...]

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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