Next stop: Joining 1 million tables
This week I started my preparations for one of my talks in Madrid. The topic is: "Joining 1 million tables". […]
Checking per-memory context memory consumption
Internally PostgreSQL makes use of so called “memory contexts”. What is the idea and what are the advantages? Find out here.
Shrink the storage footprint of PostgreSQL data
Keep the order of your columns in mind to unleash optimization potentials and reduce the table size in your PostgreSQL database.
pg_resetxlog: renamed to pg_resetwal
pg_resetxlog was formerly a feature of PostgreSQL. This has been renamed to pg_resetwal, see the update in the blog.
Out of plain curiosity I decided to start a little analysis regarding the code size of the PostgreSQL project over time.
Speed up PostgreSQL data loading with COPY (FREEZE)
UPDATED JUL 2023 How to load data fast and efficiently in PostgreSQL using COPY (FREEZE). Organize data nicely by instantly writing hint bits.
Speeding up things with hint bits
UPDATED June 2023: What are hint bits in PostgreSQL? Hint bits improve PostgreSQL performance - find out why and how. Includes code examples.
Optimization issues: Cross column correlation
UPDATED Sept. 2023 - A couple of years ago I stumbled over an interesting PostgreSQL issue which is commonly known as “cross correlation”.
Detecting wrong planner estimates
The PostgreSQL planner optimizes your queries, and mostly does it right. The question is: How to figure out when & where things do go wrong?
Reducing log messages on the client
Frequently PostgreSQL client applications are flooded with log messages from the server. Correct this by changing the server configuration.
