Performance

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 …

PostgreSQL Performance Boost: Understanding Vacuum, Analyze, and Bloat Maintaining peak PostgreSQL database performance means understanding the crucial processes of vacuuming and analysis. Left unchecked, dead tuples (deleted or updated rows) can lead to table bloat, slowing queries and wasting space. This article …

Mastering PostgreSQL Locks: Troubleshooting and Performance Insights In a busy PostgreSQL database, multiple transactions might try to access the same resources simultaneously. Locks are PostgreSQL's way of handling concurrency, ensuring data consistency and preventing conflicts. This article dives into PostgreSQL lock …

PostgreSQL Lock Troubleshooting: Unlocking Blocked Processes In a busy PostgreSQL environment, transactions can sometimes become blocked, waiting for other transactions to release locks. This can slow performance and even cause stalls. This article dissects a powerful PostgreSQL script designed to expose blocked …

Find Unused PostgreSQL Indexes Before They Cost You Which indexes have gone unused since the statistics were last reset? pg_stat_all_indexes counts every index scan per index, and an index whose idx_scan is still zero after weeks of normal traffic is a candidate to drop. The query below lists those indexes, largest …

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 …

Identify Idle PostgreSQL Connections: Keep Your Database Clean A session in state idle since 09:14 is a client that connected, finished its work and never hung up. pg_stat_activity has one row per server process, and its state and state_change columns list every session like it. A short query against that view lists …

PostgreSQL Index Cardinality: A Guide to Understanding Index Efficiency This blog post delves into the world of PostgreSQL index cardinality, a crucial metric for optimizing database performance. We'll dissect the provided SQL code, explain its purpose, and equip you with valuable insights to make informed decisions …

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 …