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MySQL Performance

How to optimize indexes in MySQL

Optimizing Indexes in MySQL Indexes in MySQL are used to improve the performance of SELECT, UPDATE, and DELETE statements by reducing the amount of data that needs to be scanned. Properly optimizing indexes can help […]
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PostgreSQL DBA

How to implement Parallelized Vacuum in PostgreSQL 15?

How to implement Parallelized Vacuum in PostgreSQL 15? In PostgreSQL 15, the parallelized vacuum feature allows you to run multiple vacuum processes in parallel, which can significantly improve the performance of the vacuum operation. Here […]
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MySQL DBA

Quick Run-Book on MySQL Group Replication

The checklist for operating MySQL Group Replication MySQL Group Replication is a plugin for MySQL that allows you to create a group of MySQL servers that work together to provide a replicated and highly available […]
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Linux Performance

How Queueing influence Linux performance?

How does queueing affect Linux Server performance? In Linux, queueing is implemented using a variety of different tools and mechanisms. Some of the most common tools and mechanisms used for queueing in Linux include: The […]
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DBA

How to use a Binary Search Key

Understanding how Binary Search Key works?  A binary search key is used to quickly search for a specific value in a sorted array or list. The basic idea behind the binary search algorithm is to […]
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PostgreSQL DBA

PostGIS for dummies

PostGIS for dummies – How PostGIS works?  PostGIS is an open-source extension for the PostgreSQL database management system that adds spatial functionality for working with geographic data. It allows you to store, index, and query […]
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PostgreSQL DBA

How to monitor PostgreSQL replication lag

PostgreSQL Advanced DBA Series: Monitoring PostgreSQL replication lag There are several ways to monitor replication lag in PostgreSQL: pg_stat_replication: This is a PostgreSQL system view that provides information about the replication status, including the replication lag. […]
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PostgreSQL DBA

What’s new with PostgreSQL 15?

PostgreSQL 15 new features  PostgreSQL 15, the latest version of the popular open-source relational database management system, was released on October 3rd, 2021 and it comes with several new features and improvements: Parallelized Vacuum: PostgreSQL […]