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How to influence cost based optimizer in PostgreSQL for performance?

PostgreSQL‘s cost-based optimizer (CBO) is responsible for determining the most efficient execution plan for a given query. To influence the CBO and improve performance, you can follow these tips: By following these tips, you can influence […]

The Comprehensive Guide to InnoDB Data Structures: B+Trees, Hash Indexes, and More

Data structures play a critical role in defining the efficiency and effectiveness of a database management system (DBMS). InnoDB, the default storage engine for MySQL, relies heavily on two types of data structures – B+Trees and […]

Solving Common InnoDB Performance Issues: A Comprehensive Guide

In the realm of MySQL database engines, InnoDB stands out as a powerful and widely used engine. It is renowned for its robustness, reliability, and performance. However, like all software, it is not exempt from […]

Demystifying PostgreSQL MVCC: Unlocking Concurrency Control in Your Database

Introduction: In the world of relational databases, PostgreSQL stands out as a robust and feature-rich option. Among its many powerful capabilities is the Multi-Version Concurrency Control (MVCC) system. While MVCC is an essential aspect of […]

Best Practices for Managing Locking in PostgreSQL to Improve Concurrency

PostgreSQL Locking Managing locking in PostgreSQL is crucial for improving concurrency and ensuring efficient data access in a multi-user environment. To achieve this, follow these best practices: Use Row-level Locking PostgreSQL offers different locking modes. […]

Understanding backup-related Waits happening to PostgreSQL

PostgreSQL Waits In PostgreSQL, backup-related waits occur when performing database backups with tools like pg_dump or pg_basebackup. These waits usually stem from I/O operations since the process involves reading data from disk and writing it […]

Tips and tricks to troubleshoot indexes with high maintenance costs in PostgreSQL

Here are some tips and tricks to troubleshoot indexes with high maintenance costs in PostgreSQL: Remember to thoroughly test any changes you make and monitor the impact on both query performance and maintenance costs.

Understanding the Impact of MYSQL_BIN_LOG::LOCK_commit Mutex on MySQL Performance

The wait/synch/mutex/sql/MYSQL_BIN_LOG::LOCK_commit and wait/synch/mutex/sql/MYSQL_BIN_LOG::LOCK_commit_queue mutexes in MySQL can have significant implications on database performance. In summary, high contention for these mutexes can be indicative of performance issues in MySQL, including I/O bottlenecks and inefficiencies in transaction […]

How to configure Linux Threads for system performance?

Introduction Configuring Linux threads for optimal system performance requires several strategies and considerations. Adjusting thread scheduling policies, priorities, CPU affinity, and other parameters fine-tunes thread behavior to maximize performance. Additionally, techniques such as thread pooling, […]

Understanding the concept and advantages of table-valued parameters in PostgreSQL

Unlock the Power of Data Processing with Table-Valued Parameters in PostgreSQL Introduction: Table-valued parameters in PostgreSQL offer a convenient and efficient way to work with structured data. Instead of passing individual values as parameters, table-valued […]

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