Author - Kenny Gryp

Is Your Database Affected by CVE-2016-6662?

CVE-2018-19039

In this blog post, I will discuss the CVE-2016-6662 vulnerability, how to tell if it affects you, and how to prevent the vulnerability from affecting you if you have an older version of MySQL.
I’ll also list which MySQL versions include the vulnerability fixes.
As we announced in a previous post, there are certain scenarios in Percona […]

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Percona Live: Advanced Percona XtraDB Cluster in a Nutshell, La Suite

12 Days Until Percona Live

This blog post will discuss what is necessary of the Percona Live  Advanced Percona XtraDB Cluster tutorial.
Percona Live 2016 is happening in April! If you are attending, and you are registered to the Percona XtraDB Cluster (Galera) tutorial presented by Kenny and myself, please make sure that you:

Bring your laptop, this is a hands-on […]

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Orchestrator: MySQL Replication Topology Manager

Orchestrator MySQL topology manager

This blog post discusses Orchestrator: MySQL Replication Topology Manager.
What is Orchestrator?
Orchestrator is a replication topology manager for MySQL.
It has many great features:

The topology and status of the replication tree is automatically detected and monitored
Either a GUI, CLI or API can be used to check the status and perform operations
Supports automatic failover of the master, and […]

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Check for MySQL slave lag with Percona Toolkit plugin for Tungsten Replicator

A while back, I made some changes to the plugin interface for pt-online-schema-change which allows custom replication checks to be written. As I was adding this functionality, I also added the –plugin option to pt-table-checksum. This was released in Percona Toolkit 2.2.8.
With these additions, I spent some time writing a plugin that allows Percona […]

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Sysbench Benchmarking of Tesora’s Database Virtualization Engine

Tesora, previously called Parelastic, asked Percona to do a sysbench benchmark evaluation of its open sourced last week. source are already available on here (PDF).
Scalability
OLTP – Disk Bound – Throughput:
OLTP – Disk Bound – Response Time:
In terms of scalability DVE lives up to its expectations as long as there is enough CPU available on […]

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