Planet MariaDB Server
Checking User Threads and Temporary Tables With gdb in MariaDB 10.4+, Step By Step
There were no posts about gdb tricks for a long time in this blog. This is surely unusual, but I had not done anything fancy with gdb for more than…
Checking User Threads and Temporary Tables With gdb in MariaDB 10.4+, Step By Step
There were no posts about gdb tricks for a long time in this blog. This is surely unusual, but I had not done anything fancy with gdb for more than…
Playing with recent bpftrace and MariaDB 10.5 on Fedora – Part II, Using the Existing Tools
In the previous post in this series I’ve presented a couple of my quick and dirty attempts to use bpftrace add uprobes to MariaDB server and dynamic libraries it uses,…
Playing with recent bpftrace and MariaDB 10.5 on Fedora – Part II, Using the Existing Tools
In the previous post in this series I’ve presented a couple of my quick and dirty attempts to use bpftrace add uprobes to MariaDB server and dynamic libraries it uses,…
Playing with recent bpftrace and MariaDB 10.5 on Fedora – Part I, Basic uprobes
There is still some non-zero probability that my talk called “Monitoring MariaDB Server with bpftrace on Linux” is accepted for the FOSDEM 2021 Monitoring and Observability devroom, so it’s time…
Playing with recent bpftrace and MariaDB 10.5 on Fedora – Part I, Basic uprobes
There is still some non-zero probability that my talk called “Monitoring MariaDB Server with bpftrace on Linux” is accepted for the FOSDEM 2021 Monitoring and Observability devroom, so it’s time…
Life with Rona 2.0 – Days 1 & 2
Today is the first day that in the state of Pahang, we have to encounter what many Malaysians are referring to as the Movement Control Order 2.0 (MCO 2.0). I…
fork, exec, wait and exit
This is the english version of a 2007 article. In de.comp.os.unix.linux.misc somebody asked: Are commands in a script executed strictly sequentially, that is, will the next command only be executed…
MySQL Password Rotation with AWS Secrets Manager and Lambda
How to set up MySQL password rotation with AWS Secrets Manager, AWS Lambda, and Terraform
Embracing the Stream
So this happened: CentOS Project shifts focus to CentOS Stream The future of the CentOS Project is CentOS Stream, and over the next year we’ll be shifting focus from CentOS…
Fixing Common PostgreSQL Performance Bottlenecks
Overview In this article, I look at how poorly designed sharding systems and replication systems in PostgreSQL affect query performance in high volume situations, and how to ensure data consistency…
Not JOINing on PERFORMANCE_SCHEMA
The tables in PERFORMANCE_SCHEMA (P_S) are not actually tables. You should not think of them as tables, even if your SQL works on them. You should not JOIN them, and…
Installing the Latest MariaDB from the Repository on Debian 10 and Downgrading to Older Minor Version
I had not written any new blog posts here since this one for quite a some time, for two reasons. First of all, I have another project to spend time…
Installing the Latest MariaDB from the Repository on Debian 10 and Downgrading to Older Minor Version
I had not written any new blog posts here since this one for quite a some time, for two reasons. First of all, I have another project to spend time…
On the Observability of Outliers
At work, I am in an ongoing discussion with a number of people on the Observability of Outliers. It started with the age-old question “How do I find slow queries…