PGPool-II is an open-source proxy software that can be used for the PostgreSQL servers(ProxySQL for MySQL) environment. It lies between the application server/PostgreSQL client and the PostgreSQL database servers and can provide much-needed features like Load Balancing, Query Cache, Connection Pooling, and Watchdog. Each feature requires a detailed explanation with supporting examples. So, in this … Continue reading PgPool – II Installation & Configuration – (Part-I)
We have many ways to install MySQL on linux machines such as source, binary and so on. But most of the Engineers always prefer default package managers (yum for RPM-Based distributions and apt for DPKG-Based distributions) for its ease of use and it can resolve all dependencies on its own. And of course, it is … Continue reading Install Specific Version of MySQL 8 using YUM
PostgreSQL 13 is generally available from September 24, 2020. Last year, PostgreSQL 12 was released with a lot of features like Generated Columns, Partitioning Improvements and so on and started to be widely used in Production Environments. This year, PostgreSQL 13 comes up with more exciting features as well as performance and security improvements. Here … Continue reading Deduplication of B Tree Indexes in PostgreSQL 13
Backup and Recovery is one of the most essential jobs for every database administrator. We all know the importance of the backups for the databases. Here I am not going to write its importance, rather about the different types of backup tools available for … Continue reading Exploring Logical Backup in PostgreSQL.
Resource management is one of the key thing in all RDBMS. DB Connections is one of them. In PostgreSQL, Allocating more connections without proper analysis of resources causes an overhead in Memory usage and the creation of an OS process for each connection will lead to a scheduling overhead in the time-sharing operating system. These … Continue reading Getting started with PGBouncer in PostgreSQL
We will have a look at a new feature in MySQL 8.0 called binlog encryption. This feature is available from the MySQL version 8.0.14 or above. Our previous blogs discussed about table space encryption in MySQL and Percona servers. In Mydbops, we are giving high importance about achieving security compliances. The binary log records changes … Continue reading Securing MySQL Binary logs at Rest in MySQL 8.0
Recently, One of our client reached our Remote DBA team with a requirement to reduce the size of the table as it is having many text columns with huge number of records. At preliminary check , I have … Continue reading Save Space on MySQL data with Column Compression
MySQL has introduced the concept of functional index in MySQL 8.0.13. It is one of the much needed feature for query optimisation , we have seen about histogram in my last blog. Let us explore the functional index and its use cases. For the below explanation, I have used a production scenario which has 16 … Continue reading MySQL Functional Index and use cases.
MySQL 8.0 introduces many new features. We will have a look at the exciting histogram feature in MySQL 8.0 Histogram: What is Histogram? In General, a histogram is an accurate representation of the distribution of numerical data. In MySQL, It will be useful to collect data distribution for a specific column. What problem it solves? … Continue reading Histogram in MySQL 8.0
It is very important for every DBA’s to backup their data frequently so that they can recover data if any problems occur such as Hardware failure, System crashes, Human mistakes. There are several ways to backup MySQL data. They are 1) Physical Backup 2) Logical Backup Physical Backup: It is also called Raw Backup. It … Continue reading Mysqldump vs Mysqlpump vs Mydumper