Tag: performance tuning

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Here you can find all blog posts about the Tag: performance tuning. You can go back to all blog posts or take a look into our other categories & tags.

Foreign keys in PostgreSQL: Circular dependencies

by Hans-Jürgen Schönig | 06.2024
Relational databases provide one very essential functionality which is key to integrity, data quality and consistency: foreign keys. If you […]

Why do I have a slow COMMIT in PostgreSQL?

by Laurenz Albe | 05.2024
Sometimes one of our customers looks at the most time consuming statements in a database (either with pg_stat_statements or with […]


by Hans-Jürgen Schönig | 04.2024
These days everybody is talking about time series, time series analysis and alike for performance tuning. Analyzing time series data […]

PostgreSQL parallel query problems in JDBC and DBeaver

by Laurenz Albe | 01.2024
  I recently investigated a surprising behavior of the DBeaver database client in connection with PostgreSQL parallel query, which I'd […]

Optimizing PostgreSQL functions with preloaded libraries

by Hans-Jürgen Schönig | 01.2024
In PostgreSQL, functions and procedures can be written in many different programming languages including but not limited to PL/pgSQL, PL/Perl, […]

PostgreSQL hash index performance

by Laurenz Albe | 12.2023
  Among the many index types in PostgreSQL, the hash index is the most widely ignored. This came home to […]

Why are my PostgreSQL updates getting slower?

by Laurenz Albe | 10.2022
  Recently, a customer asked me why a bulk load into a PostgreSQL table kept slowing down as time went […]

Find and fix a missing PostgreSQL Index

by Hans-Jürgen Schönig | 04.2022
Spot a missing PostgreSQL index Missing indexes are a key ingredient if you are looking for a perfect recipe to […]

PostgreSQL vs Redis vs Memcached performance

by CYBERTEC Guest | 08.2021
When I recently stumbled on an article comparing some main properties, and also the read-write performance of two very popular […]

PostgreSQL: Detecting slow queries quickly

by Hans-Jürgen Schönig | 05.2021
UPDATED March 2023: In this post, we'll focus our attention on PostgreSQL performance and detecting slow queries. Performance tuning does […]
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