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Category: Performance

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

PostgreSQL: Create indexes after bulk loading

by Hans-Jürgen Schönig | 09.2021
Over the years, many of our PostgreSQL clients have asked whether it makes sense to create indexes before - or […]

Index bloat reduced in PostgreSQL v14

by Laurenz Albe | 09.2021
  PostgreSQL v12 brought more efficient storage for indexes, and v13 improved that even more by adding deduplication of index […]

PostgreSQL: The power of a SINGLE missing index

by Hans-Jürgen Schönig | 08.2021
Index missing? When an index is missing, good performance won’t be kissing a PostgreSQL user looking for efficiency but instead […]

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 […]

Data warehousing: Making use of synchronized seq scans

by Hans-Jürgen Schönig | 06.2021
PostgreSQL contains some hidden gems which have been around for many years and help to silently speed up your queries. […]

How to interpret PostgreSQL EXPLAIN ANALYZE output

by Laurenz Albe | 05.2021
  UPDATED July 2023: EXPLAIN ANALYZE is the key to optimizing SQL statements in PostgreSQL. This article does not attempt […]

PostgreSQL: Bulk loading huge amounts of data

by Hans-Jürgen Schönig | 05.2021
Bulk loading is the quickest way to import large amounts of data into a PostgreSQL database. There are various ways […]

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 […]

Terminating database connections in PostgreSQL

by Hans-Jürgen Schönig | 05.2021
In PostgreSQL, every database connection is a server-side process. This makes PostgreSQL a robust multi-process rather than a multi-threaded solution. […]

How the PostgreSQL query optimizer works

by Hans-Jürgen Schönig | 03.2021
Just like any advanced relational database, PostgreSQL uses a cost-based query optimizer that tries to turn your SQL queries into […]
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