Group Replication in Percona Server for MySQL

group replication percona server mysql

Percona Server for MySQL 8.0.18 ships all functionality to run Group Replication and InnoDB Cluster setups, so I decided to evaluate how it works and how it compares with Percona XtraDB Cluster in some situations.
For this I planned to use three bare metal nodes, SSD drives, and a 10Gb network available for in-between nodes […]

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Upgrading PostgreSQL – Patroni Cluster and Switching from Python 2 to Python 3

upgrading postgresql python 3

Python 2 has officially completed its life as of Jan 1st, 2020 and the Python 2.x branch will not be maintained anymore. You might be seeing repeated notices of deprecation in log files and terminals like:

Shell

DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as […]

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FOSDEM 2020 Program: Come Meet the Team

fosdem percona

One of our favorite events in Europe every year is FOSDEM. The open source community hosts this free event each year in Brussels over the first weekend of February. Over 8,000 open source enthusiasts gather on the campus of Université Libre de Bruxelles to enjoy a stunning array of talks.
Catch Percona’s Team in Action
We’re […]

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Using Flame Graphs to Process Outputs From pt-pmp

flame graphs pt-tmp

In a previous post Profiling Software Using perf and Flame Graphs, we took a look at how to generate Flame Graphs from perf outputs. In this short follow-up, we will use Flame Graphs to process outputs from pt-pmp. Flame Graphs were not originally thought of for this purpose, but since pt-pmp outputs are similar […]

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Changing the Default Admin Password in Docker-Based Deployment of PMM2

default password pmm2

If you’re automating Percona Monitoring and Management 2 (PMM) deployment with docker, you may want to set a different admin user password upon installation instead of being required to change it upon first login. Here is how you can do it:
After following the PMM2 Docker Installation Instructions, you can run this command:

Shell

docker exec -t […]

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