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PostgreSQL Maintenance Activities: How to Control Automatic Maintenance

In PostgreSQL, there are several automatic maintenance activities that occur to keep the database healthy and optimized. These activities include: auto vacuuming, auto analyzing, and auto checkpointing. PostgreSQL Maintenance Activities While these automated processes are crucial for maintaining […]

Linux Kernel System Call: How System Calls Are Implemented

System calls in the Linux kernel: System calls in the Linux kernel use a combination of mechanisms and algorithms. This approach ensures efficient and secure interaction between user-level applications and the kernel. Here’s a high-level […]

Linux Kernel Data Structures: Linked Lists, Queues, Maps, and Binary Trees

Linux Kernel Data Structures:Linked lists, queues, maps, and binary trees are fundamental data structures used in various software applications, including the Linux kernel. In the Linux kernel, these data structures are implemented using specific kernel APIs […]

Deleting Millions Rows PostgreSQL: How to Do It Efficiently

Strategies for Efficiently Deleting Millions of Rows in PostgreSQL When deleting a large number of rows from a PostgreSQL table, you must consider efficiency. This helps avoid excessive disk I/O and minimizes the impact on […]

PostgreSQL UNDO and REDO: Configuring for Optimal Operations

To configure PostgreSQL for optimal UNDO and REDO operations, you must consider several configuration parameters that directly control the behavior of the database engine. Specifically, these parameters determine how PostgreSQL manages transaction logging and recovery, […]

PostgreSQL maintenance_work_mem: How It Is Used for VACUUM

In PostgreSQL, the maintenance_work_mem configuration parameter controls how much memory the system allocates for maintenance operations, including VACUUM. When you run a VACUUM operation, PostgreSQL sorts and processes data pages. This process helps reclaim disk […]

PostgreSQL WAL and WAL Writer Process Explained

MySQL Performance Schema: Unraveling Query Execution

Understanding Query Execution with Performance Schema As the scale and complexity of database workloads continue to increase, consequently, understanding the nuances of query execution becomes essential for MySQL Database Administrators (DBAs) and Developers. In this […]

PostgreSQL Blocking Queries: Identifying and Resolving Resource Conflicts

Introduction: In a busy PostgreSQL database environment, resource conflicts can frequently arise. As a result, queries may become blocked, significantly impacting overall system performance. Therefore, identifying and resolving these blocking queries becomes a top priority […]

PostgreSQL Bloat Analysis: Identifying Large and Bloated Tables

Introduction: This blog post focuses on analyzing table size and bloat using the provided SQL query. Database bloat can significantly impact PostgreSQL performance, leading to increased storage requirements and slower query execution. We will explain […]

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