October 30, 2014

The benefits of a drop-in compatible MySQL alternative

Percona Server provides users with a variety of powerful benefits including enterprise-grade features, high performance in demanding use cases, rich diagnostics, and access to unique Percona XtraBackup capabilities, all for free and open source. In addition, Percona Server is a drop-in MySQL replacement. Compatibility with MySQL has important ramifications (as well as some risks) as Giuseppe Maxia highlighted in a […]

InnoDB performance optimization basics (redux)

I recently stumbled upon a post that Peter Zaitsev published back in 2007 titled “Innodb Performance Optimization Basics.” It’s a great post and reading it inspired me to examine what’s changed in the nearly six years that have followed in terms of MySQL, Percona Server – as well as in all of the other now-available […]

Troubleshooting MySQL Upgrade Performance Regressions

So lets say you upgraded from MySQL 5.1 to Percona Server 5.5 and instead of expected performance improvement you see your performance being worse. What should you do ? First if you followed MySQL upgrade best practices such as testing your workload with pt-upgrade the chances of this happening are rather slim. But lets assume […]

XtraDB: The Top 10 enhancements

Note: This post is part 2 of 4 on building our training workshop. Last week I talked about why you don’t want to shard. This week I’m following up with the top 10 enhancements that XtraDB has over the built-in InnoDB included in MySQL 5.0 and 5.1.  Building this list was not really a scientific […]

You spoke, we listened: Percona Cloud Tools accelerates query reviews

The Percona Cloud Tools beta service continues to grow its query analysis capabilities with new features for reviewing queries. These enhancements will: Provide better visibility into the query performance of your next code deployment Introduce query organization tools for efficiency Foster better collaboration in teams Join the hundreds of other users who are using Percona’s […]

XtraDB storage engine release 1.0.2-3 (Spring edition) codename Sapporo

Today we announce release 1.0.2-3 of our XtraDB storage engine. Here is a list of enhancements: Move to MySQL 5.1.31 Scalability fix — ability to use several rollback segments Increasing the number of rseg may be helpful for CPU scale of write-intentional workloads. See benchmark results. Scalability fix — replaced page_hash mutex to page_hash read-write […]

XtraDB storage engine release 1.0.2-2 (New Year edition)

Today we announce release 1.0.2-2 of our XtraDB storage engine. Here is a list of enhancements: split-buffer_pool_mutex The patch splits global InnoDB buffer_pool mutex into several and eliminates waitings on flush IO and mutex when there is no enough free buffers. It helps if you have performance drops when data does not fit in memory. […]

Announcing Percona XtraDB Storage Engine: a Drop-in Replacement for Standard InnoDB

Today we officially announce our new storage engine, “Percona XtraDB“, which is based on the InnoDB storage engine. It’s 100% backwards-compatible with standard InnoDB, so you can use it as a drop-in replacement in your current environment. It is designed to scale better on modern hardware, and includes a variety of other features useful in […]