PostgreSQL Internals

PostgreSQL Performance

Clustered Indexes in PostgreSQL: Design Considerations

In PostgreSQL, a clustered index works through a feature called “clustered table” or “clustered index scan.” It physically reorders a table’s rows based on the indexed column(s). This process directly determines how PostgreSQL organizes data […]
PostgreSQL Internals

Process Memory Protection in PostgreSQL: How It Is Implemented

Process Memory Protection in PostgreSQL Process memory protection in PostgreSQL is primarily implemented through the use of memory management techniques provided by the operating system. PostgreSQL relies on the underlying operating system’s memory management capabilities […]
PostgreSQL DBA

PostgreSQL Locking: Best Practices to Improve Concurrency

PostgreSQL Locking Managing locking in PostgreSQL is crucial for improving concurrency and ensuring efficient data access in a multi-user environment. To achieve this, follow these best practices: Use Row-level Locking PostgreSQL offers different locking modes. […]
PostgreSQL DBA

PostgreSQL Waits: Understanding Backup-Related Waits

PostgreSQL Waits In PostgreSQL, backup-related waits occur when performing database backups with tools like pg_dump or pg_basebackup. These waits usually stem from I/O operations since the process involves reading data from disk and writing it […]
PostgreSQL DBA

PostgreSQL Table-Valued Parameters: Concept and Advantages

Unlock the Power of Data Processing with Table-Valued Parameters in PostgreSQL Introduction: Table-valued parameters in PostgreSQL offer a convenient and efficient way to work with structured data. Instead of passing individual values as parameters, table-valued […]
PostgreSQL Troubleshooting

PostgreSQL Performance Troubleshooting: Analyzing Active Queries

Troubleshooting PostgreSQL Performance: Analyzing Active Queries for Enhanced Optimization Introduction: Optimizing PostgreSQL performance requires analyzing and troubleshooting active queries as a crucial step. Therefore, in this technical blog, we will explore a powerful SQL query […]
PostgreSQL Internals

PostgreSQL Locking: How Pessimistic Locking Works

Pessimistic locking in PostgreSQL relies on explicit lock commands, allowing transactions to acquire locks on specific database objects. These locks prevent other transactions from accessing or modifying the locked objects until the system releases the […]