Step-by-step PostgreSQL 15 multi-master Replication for High Availability Here is a general step-by-step guide for setting up multi-master replication in PostgreSQL 15 for high availability: Step 1: Prepare the master nodes: Make sure that the […]
How Least Recently Used (LRU) list is managed in PostgreSQL? In PostgreSQL, the least recently used (LRU) list is a mechanism used to manage the buffer cache. The buffer cache is a memory area used […]
How does PostgreSQL Vacuum work? In PostgreSQL, the vacuum process is responsible for reclaiming space from deleted or updated rows in tables. The vacuum process works by scanning the table and removing any rows that […]
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 […]
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 […]
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 […]
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. […]
PostgreSQL 15 Advanced DBA Series: Troubleshooting PostgreSQL 15 replication lag with IO concurrency There are several ways to reduce replication lag with IO concurrency in PostgreSQL 15: Increase the number of parallel workers: PostgreSQL 15 […]
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 […]
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