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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.

Walbouncer update - a proxy for selective PostgreSQL physical replication

by CYBERTEC Guest | 08.2016
By Kaarel Moppel - Walbouncer was covered on the blog when it was first announced, but that was almost 2 […]

Insert-only data modeling with PostgreSQL?

by CYBERTEC Guest | 08.2016
By Kaarel Moppel - In recent years, there has been quite a lot of buzz about “insert-only” approaches and some […]

Exploding runtime: How nested loops can destroy speed

by Hans-Jürgen Schönig | 08.2016
What will happen if the PostgreSQL optimizer underestimates the number of rows involved in nested loops? Includes ways to fix the problem.

Spying on slow statements with “auto_explain”

by CYBERTEC Guest | 06.2016
PostgreSQL has tons of useful features and so it is somehow inevitable that some of it gets forgotten every now […]

PostgreSQL underused features - WAL compression

by CYBERTEC Guest | 06.2016
The WAL compression feature: With the launch of Postgres 9.5, a new setting called "wal_compression" was introduced, that should decrease the […]

Estimating table bloat in PostgreSQL

by CYBERTEC Guest | 06.2016
Recently there have been a couple of very exhaustive and rather technical posts on Planet Postgresql on the topic of bloat. […]

UNIX sockets vs. localhost: PostgreSQL Performance advice

by Hans-Jürgen Schönig | 05.2016
Unix sockets vs. localhost: We posted a lot of tuning advice on this blog already. Now we thought we would […]

VirtualBox vs. hardware for PostgreSQL

by Hans-Jürgen Schönig | 02.2016
Is there really a performance difference in PostgreSQL on hardware and PostgreSQL on Virtualbox? Find out here.

Join pruning - Cool stuff in PostgreSQL

by Hans-Jürgen Schönig | 12.2015
UPDATED 2023: Find out how the PostgreSQL optimizer decides about “join pruning”. Improve performance, provide end users with simpler plans.

Indexing Wikipedia

by Hans-Jürgen Schönig | 10.2015
Indexing Wikipedia with PostgreSQL | The goal is to see which settings are most suitable for the creation of a GIN index.
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