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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.

Are triggers really that slow in Postgres?

by CYBERTEC Guest | 05.2018
PostgreSQL trigger performance. Should we use tiggers at all? Find out how triggers perform in performance tests.

Linux cgroups for PostgreSQL

by Laurenz Albe | 05.2018
  In a recent wrestling match with the Linux “out-of-memory killer” for a CYBERTEC customer I got acquainted with Linux […]

Avoiding “OR” for better query performance

by Laurenz Albe | 05.2018
  PostgreSQL query tuning is our daily bread at CYBERTEC, and once you have done some of that, you'll start […]

Get rid of your unused indexes!

by Laurenz Albe | 04.2018
Why should I get rid of unused indexes? Everybody knows that a database index is a good thing because it […]

Improving transaction latency by moving indexes to faster media

by CYBERTEC Guest | 03.2018
To improve PostgreSQL transaction latency for OLTP systems a good trick is to move indexes of busy tables to fast SSD media.

What PostgreSQL Full-Text-Search has to do with VACUUM

by Hans-Jürgen Schönig | 03.2018
What does PostgreSQL Full-Text-Search have to do with VACUUM? Find out about the GIN pending list and how to use it to improve performance.

New features for sequences: gains and pitfalls

by Laurenz Albe | 02.2018
About sequences Sequences are used to generate artificial numeric primary key columns for tables. A sequence provides a “new ID” […]

PostgreSQL performance: How the optimizer handles views

by Hans-Jürgen Schönig | 02.2018
How does the PostgreSQL optimizer handle views? Are views good or bad? Write better and faster code, improve performance.

Detect PostgreSQL performance problems easily

by Hans-Jürgen Schönig | 02.2018
Every DBA in charge of PostgreSQL should know, how to track down potential performance problems to figure out, what is really going on.

PostgreSQL indexing: Index scan vs. Bitmap scan vs. Sequential scan (basics)

by Hans-Jürgen Schönig | 02.2018
Introduction to PostgreSQL indexing. How and when to use an index scan, bitmap scan and/or sequential scan. Get performance tips.
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