MinervaDB Blog

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Linux Performance

Linux Queueing: How It Influences 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 [...]
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MySQL Performance

MySQL Thread Performance Troubleshooting Guide

Troubleshooting MySQL Thread Performance - MySQL DBA Scripts Series(Tricks and Techniques) Overview This post is about how we can troubleshoot MySQL Thread performance intuitively.  Several folks have asked me by now about how I do [...]
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MariaDB

What’s new and changed with MariaDB 10.8?

What's new and changed with MariaDB 10.8? Added support for IN,OUT and INOUT qualifying parameters for stored functions in MariaDB 10.8, MariaDB already supports IN, OUT and INOUT parameters. This contribution was made by ManoharKB [...]