Blog: cybertec

209 blogs updated: 63 min. ago
Joining data from multiple Postgres databases
With the heyday of bigdata and people running lots of Postgres databases, sometimes one needs to join or search data from multiple absolutel...
04-08-2017 13:16:24 cybertec PostgreSQL
Finding patterns in timeseries: A poor man's method
A lot has been written about timeseries analysis and handling temporal data in general. Countless papers outlining various strategies have b...
28-07-2017 11:43:07 cybertec PostgreSQL
Writing your own aggregation functions
Many people who have used PostgreSQL or SQL in general in a professional or semi-professional way have stumbled across "aggregate functions"...
25-07-2017 11:54:45 cybertec PostgreSQL
PostgreSQL: Indexes and foreign keys
Recently we have received a couple of PostgreSQL support calls, which were related to bad performance on various deployments. In many cases ...
20-07-2017 11:18:41 cybertec PostgreSQL
A quick check on Postgres 10 Beta Analytics Performance vs version 9.6
Some weeks ago already the Beta 1 of upcoming Postgres 10 was released. Besides the very visible version numbering scheme change (no more X....
26-06-2017 12:13:07 cybertec PostgreSQL
New features for Cybertec's pgwatch2 Postgres monitoring tool
We have written about our hatchling Open Source PostgreSQL monitoring tool called pgwatch2 already some months ago here and here but now I t...
06-06-2017 14:47:45 cybertec PostgreSQL
PostgreSQL & tablespaces – it's not so scary …
Having spent the last week with Oracle DBAs eagerly peeking towards PostgreSQL I saw that besides the usual beginner questions one of the Po...
17-05-2017 13:43:56 cybertec PostgreSQL
Why favor PostgreSQL over MariaDB / MySQL
For many years MySQL and PostgreSQL were somewhat competing databases, which still addressed slightly different audiences. In my judgement (...
25-04-2017 12:20:58 cybertec PostgreSQL
int4 vs int8 vs uuid vs numeric performance on bigger joins
Some weeks ago at pgDay Paris, during the evening social event, we got into a small guestimation" with another Postgres enthusiast, about th...
21-04-2017 11:27:01 cybertec PostgreSQL
(func()).* – Hidden performance issues
PostgreSQL support cases are coming in on a regular basis. This week an especially noteworthy one reached our desks here at Cybertec, which ...
18-04-2017 10:12:07 cybertec PostgreSQL

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