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

How Direct Path Reads(DPR) work for PostgreSQL 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 […]

Buffer Header Queues in PostgreSQL

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 […]

Postgres 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 […]

Tuning PostgreSQL Server – How are data block visits and undo implemented in PostgreSQL?

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 […]

How is INSERT lock 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 […]

How to use pg_largeobject in PostgreSQL?

The pg_largeobject system table in PostgreSQL is used to store and manage large binary objects (BLOBs) of binary data. To use pg_largeobject, you need to perform the following steps: For example, the following code shows […]

PostgreSQL Vacuum Internals – What happens during PostgreSQL Vacuum Processing?

PostgreSQL Vacuum Internals – What happens during PostgreSQL Vacuum Processing? During PostgreSQL vacuum processing, the database system scans through the table or index being vacuumed, removing any dead or outdated rows. This process is necessary […]

How does cache trashing happen in PostgreSQL 15?

Cache trashing in PostgreSQL 15 occurs when there is high contention for the shared buffer cache. This can happen when there are many concurrent queries accessing the same data, or when there is a lack […]

How to control automatic database maintenance operations in PostgreSQL 15?

How to control automatic database maintenance operations in PostgreSQL 15? In PostgreSQL 15, automatic database maintenance is controlled by several configuration parameters. Here are a few examples: maintenance_work_mem – this parameter controls the amount of […]

How is the transaction model implemented in PostgreSQL?

How is the transaction model implemented in PostgreSQL? In PostgreSQL, transactions are implemented using the Multi-Version Concurrency Control (MVCC) model. This means that each transaction is given a snapshot of the database at the start […]

* 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, 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. Oracle is a registered trademark of Oracle Corporation. MariaDB is a trademark of MariaDB Corporation Ab. All other trademarks are property of their respective owners. Other product or company names mentioned may be trademarks or trade names of their respective owner. Copyrights © 2010-2025. All Rights Reserved by MinervaDB®.

→ Index

The Data Transformation Company

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

PostgreSQL