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 […]
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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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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Prior to version 1.0, Percona Backup for MongoDB (PBM) had a separate coordinator daemon as a key part of its architecture. The coordinator was handling all communications with backup agents and the control program. It held a PBM configuration and backups list, made a decision on what agents should do a backup or restore, […]
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In the many years we have used MySQL, we got accustomed to the fact that upgrades from MySQL 5.7.11 to 5.7.12 was a minor event. This meant that if something was going wrong, we could roll back the binaries and be happy again.
From MySQL 8, this is no longer true. Any upgrade, even minor, is […]
