Monitor Running Queries in PostgreSQL (9.2+ and Newer) Overview When managing a PostgreSQL database, one of the most important tasks for database administrators and developers is monitoring currently running queries. This helps identify problematic sessions, troubleshoot performance bottlenecks, and optimize …

PostgreSQL Performance Tuning: Analyze Cache Hit Ratio with pg_stat_statements Purpose This PostgreSQL query empowers you to gain critical insights into the efficiency of your query workload by measuring the cache hit ratio from the pg_stat_statements extension. Cache hit ratio is a crucial metric for evaluating how …

PostgreSQL Performance Diagnostics: Analyze Query Times with pg_stat_statements Purpose This PostgreSQL SQL query utilizes the power of the pg_stat_statements extension to provide you with essential insights into query performance. It retrieves crucial metrics like total execution time, average execution time, minimum …

Prioritize PostgreSQL Table Analysis: Unlocking Performance Insights Maintaining optimal PostgreSQL database performance requires regular table analysis. This process lets the query planner make informed decisions based on accurate table statistics. This article dives into a valuable PostgreSQL script revealing tables …

Understanding Your PostgreSQL Index Cache Hit Ratio: Optimizing Performance In PostgreSQL, keeping frequently accessed data readily available is crucial for optimal query performance. Indexes act as shortcuts, enabling the database to locate specific data within tables faster. The PostgreSQL cache plays a vital role in …

Identifying Unused Indexes in PostgreSQL: Optimizing Storage and Performance In PostgreSQL, indexes act as shortcuts, accelerating data retrieval within tables. However, unused indexes can become a burden, consuming storage space and potentially impacting performance. This article explores a PostgreSQL code snippet …

List Your PostgreSQL Databases by Size (With Access Check) Keeping your PostgreSQL database server organized is crucial for optimal performance and manageability. A critical aspect of this organization is understanding the storage footprint of each database. This SQL code snippet empowers you to efficiently retrieve a …

Monitoring Active Queries in PostgreSQL for Performance Optimization Introduction Ensuring smooth database performance is crucial for modern applications. In PostgreSQL, the number of active queries can significantly impact responsiveness. This article explores a PostgreSQL query that effectively counts active queries, …

Identifying Blocking Queries in PostgreSQL: Keeping Your Database Running Smoothly Have you ever encountered sluggish performance in your PostgreSQL database? One culprit could be blocking queries. These are queries that are waiting on resources held by other queries, creating a chain reaction that slows everything …

How Many Connections Can Your PostgreSQL Database Handle? Understanding the maximum number of connections your PostgreSQL database can accommodate is crucial for optimal performance and preventing bottlenecks. This post dives deep into the SHOW max_connections command, explaining its purpose, breakdown, and key …