MinervaDB Blog: Mastering WebScale Database Infrastructure

PostgreSQL for SQL Server DBAs – What is an alternative to sys.dm_exec_query_stats in the PostgreSQL world?

PostgreSQL for SQL Server DBAs The sys.dm_exec_query_stats Dynamic Management View (DMV) in Microsoft SQL Server provides performance statistics for cached query plans. It allows database administrators and developers to monitor and analyze SQL query performance, […]

InnoDB Locking Mechanisms Explained: From Flush Locks to Deadlocks

InnoDB, as a MySQL storage engine, uses various locking mechanisms to manage concurrency and ensure data integrity. Understanding these locks is essential for effective database administration and optimization. Now, let's explore each of these lock [...]

Tips and Tricks for troubleshooting MySQL Thread Cache performance in high concurrent update applications

MySQL thread cache MySQL thread cache plays a crucial role in systems with high concurrency, especially during frequent updates. When sized correctly, the thread cache reduces the overhead of creating and destroying threads for new [...]

Optimizing Query Performance in PostgreSQL 16 with the Advanced auto_explain Extension

PostgreSQL Auto_Explain_Extension To use the advanced auto_explain extension in PostgreSQL 16, you should first load it into the server. This can be done by adding auto_explain to either session_preload_libraries or shared_preload_libraries in the postgresql.conf file. [...]

Composite Indexes in PostgreSQL

Composite indexes in PostgreSQL Composite indexes in PostgreSQL are a powerful tool designed to optimize database performance. They are a type of database index that encompasses more than one column of a table, making them […]

Optimizing MySQL 8 Performance: Strategies for Using Workload Statistics Effectively

MySQL Performance Optimization When troubleshooting MySQL 8 performance issues, relying on workload statistics helps identify query inefficiencies and optimize resource allocation effectively. Analyzing workload patterns enables targeted optimizations, reducing query response times and improving overall [...]

Maximizing MySQL Database Performance: Advanced Statistical Analysis of Query Throughput Capacity

Query Throughput Capacity in MySQL Performance Troubleshooting Query Throughput Capacity in MySQL performance troubleshooting measures the number of queries processed by the server within a specific time frame (e.g., queries per second). This metric serves [...]

Optimizing PostgreSQL Performance: Mastering Checkpointing Configuration

Checkpointing in PostgreSQL Checkpointing in PostgreSQL plays a crucial role in performance. Here's a breakdown of how it impacts various factors: Impact of Checkpointing in PostgreSQL on Performance: I/O Activity: PostgreSQL writes all modified data [...]

Enhancing MySQL Performance: Strategic CPU Affinity and Priority Management

Using CPU affinity and nice levels to prioritize MySQL processes can significantly enhance performance, especially on multi-core systems or servers with other demanding applications. Here’s how to do it: 1. Setting CPU Affinity Purpose: CPU [...]

Understanding MySQL’s Thread-Based Architecture: Internal Workings, Connection Handling, and Performance Optimization

MySQL's Thread-Based Architecture Understanding MySQL's Thread-Based Architecture is crucial for comprehending the database's performance and behavior under different workloads. MySQL utilizes threads to handle various tasks, including client connections, query execution, and system maintenance. Let's [...]

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