MySQL Consulting - MySQL Support - MySQL Remote DBA - PostgreSQL Consulting - PostgreSQL Support - PostgreSQL Remote DBA

PostgreSQL CPU Cache Buffers Chains Latch: How to Monitor It

The CPU Cache Buffers Chains Latch in PostgreSQL is a synchronization mechanism that protects the buffer cache data structure. The buffer cache is a pool of memory used by PostgreSQL to cache disk blocks that […]

PostgreSQL Reverse Key Indexes: How to Implement Them

A reverse key index in PostgreSQL is an index that stores its keys in reverse order. This type of index can help improve query performance when the order of the keys in a table’s primary […]

PostgreSQL Mutex tips and techniques

Mutexes (short for mutual exclusion) are used in PostgreSQL to ensure that only one thread of execution can access a shared resource at any given time. Here are some tips and techniques for working with […]

PostgreSQL Row Lock and Row Level Locking

In PostgreSQL, row locks are used to control access to individual rows in a table, allowing multiple transactions to access the same table without interfering with each other. Row level locking is a mechanism that […]

PostgreSQL Parallel Hash Joins Explained

Parallel Hash Joins in PostgreSQL are a type of join operation that can be executed in parallel, allowing for faster and more efficient execution of database queries. In a hash join, the database first builds […]

PostgreSQL Direct Path Reads: How They Work for Performance

In PostgreSQL, Direct Path Read is implemented as an optimization technique for full table scans, which aims to bypass the buffer cache and read data directly from disk into the process memory, reducing the overhead […]

PostgreSQL Buffer Header Queues Explained

In PostgreSQL, buffer headers are data structures that represent a single page of data in the shared buffer cache. Each buffer header has information about the state of the page it represents, such as whether […]

PostgreSQL Indexing: When Does BRIN Win?

BRIN (Block Range INdex) is a type of index in Postgres that is used for large tables with a large number of rows and a high degree of clustering. BRIN is an efficient way to […]

PostgreSQL Block Visits and Undo: How They Are Implemented

In PostgreSQL, data block visits and undo are implemented as part of the storage and transaction management systems. In summary, PostgreSQL implements data block visits and undo through a combination of the buffer manager, the […]

PostgreSQL Locks: How INSERT Lock Is Implemented in PostgreSQL 16

In PostgreSQL, the lock behavior during an INSERT operation depends on the type of table that the operation is performed on. For a normal table, an INSERT lock is typically acquired on the table, which […]

* Everything changes over time – Our blogs/posts and comments changes over time, That’s how it should be! Whatever we comment from MinervaDB Inc. Teams (including Shiv Iyer) and other stakeholders or guest bloggers posted here are never permanent, These things worked for us. But, there is no guarantee they will work for you too, When using the recommendations from ChistaDATA or MinervaDB or MinervaSQL or any other online resources / Google, You must test the advice before applying them to your production systems, and always invest for a robust Database DR solution, Thank you for understanding.

Discounts are applicable only for multi-year contracts / long-term engagements, We don’t hire low-quality and cheap rookie consultants to manage your mission-critical Database Systems Infrastructure Operations and so our consulting rates are competitive. Being a virtual corporation (no physical offices anywhere in the world), whatever you pay go directly to our consultant’s fee. It’s impossible for us to offer you low-cost consulting, support and remote DBA services with elite-class team, Thanks for understanding and doing business with MinervaDB.

PostgreSQL is a registered trademark of the PostgreSQL Community Association. ClickHouse is a registered trademark of ClickHouse, Inc. MongoDB is a registered trademark of MongoDB, Inc. Couchbase is a registered trademark of Couchbase, Inc. Redis is a registered trademark of Redis Ltd. Apache Cassandra is a registered trademark of the Apache Software Foundation. Milvus is a registered trademark of Zilliz. MinIO is a registered trademark of MinIO, Inc. Amazon Redshift and Amazon Aurora are registered trademarks of [Amazon.com](http://amazon.com/), Inc. Google Cloud is a registered trademark of Google LLC. Snowflake is a registered trademark of Snowflake Inc. Databricks is a registered trademark of Databricks, Inc. MySQL and InnoDB are registered trademarks of Oracle Corporation. MariaDB is a trademark of MariaDB Corporation Ab. All other trademarks are the property of their respective owners. Copyright © 2010–2026. All Rights Reserved by MinervaDB®.

The Data Transformation Company

Data Architecture, Engineering and Operations for SQL, NoSQL, NewSQL, Cloud Native Data Platforms, Analytics and AI

PostgreSQL Internals