Percona has enforced stronger security in Percona XtraDB Cluster (PXC) 8, but this requires some attention during the rollout of the new server version, so let see the why and what.
In PXC there are two different kinds of traffic: client-server exchange (ie: application traffic), and replication traffic. The latter refers to any SST/IST, write-set, […]
Two years ago, we showed how to use a different mount point on Percona Monitoring and Management (PMM) Docker deployments, in case you need to have data stored out of the default Docker paths. We have released PMM version 2 since, and the need for these steps is still current. However, there are a […]
Read more
During this webinar, Tyler Duzan, Product Manager for MySQL and Cloud at Percona, will discuss Percona’s decision to delay Percona XtraDB Cluster 8.0 to ship it with Galera 4 instead of Galera 3, and why that matters. In addition, he’ll talk about the work done to integrate MySQL 8.0 features with Galera as well […]
Read more
Percona XtraDB Cluster 8.0 comes with an upgraded Galera 4.0 library, which provides a new feature – streaming replication. Let’s review what it is and when it might be helpful.
Previous versions of Percona XtraDB Cluster with Galera 3.x had a limitation in how big transactions are handled.
Let’s review the performance under sysbench-tpcc workload when […]
In this post, the third in a series explaining the internals of InnoDB flushing, we’ll focus on tuning. (Others in the series can be seen at InnoDB Flushing in Action for Percona Server for MySQL and Give Love to Your SSDs – Reduce innodb_io_capacity_max!)
Understanding the tuning process is very important since we don’t want to […]
