AVOID “OR” FOR BETTER QUERY PERFORMANCE.
- 19 December 2022
- Machine learningTechnology Business
Of course, there is a need for the OR operator in SQL, so if you can’t avoid it, use it. But you should be mindful of the effects on performance.
I’l…
Postgresql’s Update and AutoVac: A Beginner’s Guide
- 18 December 2022
- Machine learningTechnology Business
It’s surprising how many of the recent PostgreSQL support requests we’ve gotten are about autovacuum and UPDATE in particular. PostgreSQL handles upda…
Post-process trigger performance information
We came to the conclusion that we shouldn’t worry about it too much and should just make those triggers for the most common “audit fields” type of use…
CGROUPS OF POSTGRESQL LINUX
cgroups manual page, quote:
> Control groups, usually referred to as cgroups, are a Linux kernel feature which allow processes to be organized into h…
Improving sort performance in PostgreSQL
- 17 December 2022
- Machine learningOracleSoftware Engineering
A key component of PostgreSQL performance tuning is sorting. But many people frequently misunderstand or simply ignore tuning sorts. I made the decisi…
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