EmergencyEMERGENCY? Get 24/7 Help Now!

Open Source Databases on Big Machines: Does READ COMMITTED Scale on 144 Cores?

 | January 19, 2017 |  Posted In: open source databases, OpenSource Databases on big machines

READ COMMITTED

In the second post in my series on open source databases on big machines, we’ll look at whether READ COMMITTED scales with multiple cores. The default transaction level for InnoDB is REPEATABLE READ. A more permissive level is  READ COMMITTED, and is known to work well. While the  REPEATABLE READ level maintains the transaction history up to the start of the transaction, […]

Read More

The Impact of Swapping on MySQL Performance

 | January 13, 2017 |  Posted In: InnoDB, Insight for DBAs, MySQL, PMM

In this blog, I’ll look at the impact of swapping on MySQL performance.  It’s common sense that when you’re running MySQL (or really any other DBMS) you don’t want to see any I/O in your swap space. Scaling the cache size (using innodb_buffer_pool_size in MySQL’s case) is standard practice to make sure there is enough free […]

Read More

Using Percona XtraBackup on a MySQL Instance with a Large Number of Tables

 | December 28, 2016 |  Posted In: Insight for DBAs, MySQL, Percona XtraBackup

CVE-2016-6225

In this blog post, we’ll find out how to use Percona XtraBackup on a MySQL instance with a large number of tables. As of Percona Xtrabackup 2.4.5, you are required to have enough open files to open every single InnoDB tablespace in the instance you’re trying to back up. So if you’re running innodb_file_per_table=1, and […]

Read More

Make MySQL 8.0 Better Through Better Benchmarking

 | December 2, 2016 |  Posted In: Benchmarks, MySQL

MySQL 8.0.1

This blog post discusses how better MySQL 8.0 benchmarks can improve MySQL in general. Like many in MySQL community, I’m very excited about what MySQL 8.0 offers. There are a lot of great features and architecture improvements. Also like many in the MySQL community, I would like to see MySQL 8.0 perform better. Better performance […]

Read More

Using the InnoDB Buffer Pool Pre-Load Feature in MySQL 5.7

 | November 30, 2016 |  Posted In: MySQL

InnoBD Buffer Pool Pre-Load Feature

In this blog post, I’ll discuss how to use the InnoDB buffer pool pre-load feature in MySQL 5.7 Starting MySQL 5.6, you can configure MySQL to save the contents of your InnoDB buffer pool and load it on startup. Starting in MySQL 5.7, this is the default behavior. Without any special effort, MySQL saves and […]

Read More

Percona XtraBackup 2.4.5 is now available

 | November 29, 2016 |  Posted In: MySQL

CVE-2016-6225

Percona announces the GA release of Percona XtraBackup 2.4.5 on November 29th, 2016. You can download it from our download site and from apt and yum repositories. Percona XtraBackup enables MySQL backups without blocking user queries, making it ideal for companies with large data sets and mission-critical applications that cannot tolerate long periods of downtime. Offered […]

Read More

Percona Server 5.7.16-10 is now available

 | November 28, 2016 |  Posted In: Events and Announcements, MySQL, Percona Server, Percona Software, TokuDB

Replace MySQL with Percona Server

Percona announces the GA release of Percona Server 5.7.16-10 on November 28, 2016. Download the latest version from the Percona web site or the Percona Software Repositories. Based on MySQL 5.7.16, including all the bug fixes in it, Percona Server 5.7.16-10 is the current GA release in the Percona Server 5.7 series. Percona’s provides completely open-source and free […]

Read More

Percona Server 5.5.53-38.4 is now available

 | November 18, 2016 |  Posted In: Events and Announcements, MySQL, Percona Server, Percona Software

percona server 5.6.34-79.1

Percona announces the release of Percona Server 5.5.53-38.4 on November 18, 2016. Based on MySQL 5.5.53, including all the bug fixes in it, Percona Server 5.5.53-38.4 is now the current stable release in the 5.5 series. Percona Server is open-source and free. You can find release details in the 5.5.53-38.4 milestone on Launchpad. Downloads are available […]

Read More

A Guide to the Percona Monitoring and Management Demo

 | October 19, 2016 |  Posted In: Database Monitoring, InnoDB, MongoDB, MySQL, Percona Monitoring and Management

Percona Monitoring and Management Demo

As part of the release of Percona Monitoring and Management, we set up an extensive online Percona Monitoring and Management demo at pmmdemo.percona.com. The demo is pretty self-explanatory and easy to explore, but you will probably find it a lot more interesting with some explanation. This post provides some guidance. The PMM demo has a […]

Read More

Percona’s widely read Percona Database Performance blog highlights our expertise in enterprise-class software, support, consulting and managed services solutions for both MySQL® and MongoDB® across traditional and cloud-based platforms. The decades of experience represented by our consultants is found daily in numerous and relevant blog posts.

Besides specific database help, the blog also provides notices on upcoming events and webinars.
Want to get weekly updates listing the latest blog posts? Subscribe to our blog now! Submit your email address below and we’ll send you an update every Friday at 1pm ET.

No, thank you. Please do not ask me again.