PostgreSQL
Database Virtual Machines
Today I’m being told once again about SQLite as an embedded database software. That one ain’t a database server but a software library that you can use …
category
PostgreSQL
138 posts
PostgreSQL
Partitioning: relation size per “group”
This time, we are trying to figure out where is the bulk of the data on disk. The trick is that we’re using DDL partitioning, but we want a “nice” view of size per …
PostgreSQL
Background writers
There’s currently a thread on hackers about bg worker: overview and a series of 6 patches. Thanks a lot Markus! This is all about generalizing a concept already in …
PostgreSQL
Logs analysis
Nowadays to analyze logs and provide insights, the more common tool to use is pgfouine, which does an excellent job. But there has been some improvements in logs …
PostgreSQL
Using indexes as column store?
There’s a big trend nowadays about using column storage as opposed to what PostgreSQL is doing, which would be row storage. The difference is that if you have the …
PostgreSQL
Back from PgCon2010
This year’s edition has been the best pgcon ever for me. Granted, it’s only my third time, but still :) As Josh said the “Hall Track” in …
PostgreSQL
Finding orphaned sequences
This time we’re having a database where sequences were used, but not systematically as a default value of a given column. It’s mainly an historic bad idea, …
PostgreSQL
Getting out of SQL_ASCII, part 2
So, if you followed the previous blog entry, now you have a new database containing all the static tables encoded in UTF-8 rather than SQL_ASCII. Because if it was not …
PostgreSQL
Getting out of SQL_ASCII, part 1
It happens that you have to manage databases designed by your predecessor, and it even happens that the team used to not have a DBA. Those histerical raisins can lead to …
PostgreSQL
Resetting sequences. All of them, please!
So, after restoring a production dump with intermediate filtering, none of our sequences were set to the right value. I could have tried to review the process of …
PostgreSQL
PgCon 2009
I can’t really compare PgCon 2009 with previous years versions, last time I enjoyed the event it was in 2006, in Toronto. But still I found the experience to be a …
PostgreSQL
Skytools 3.0 reaches alpha1
It’s time for Skytools news again! First, we did improve documentation of current stable branch with hosting high level presentations and tutorials on the …