Monthly Archives - January 2014

Percona Cloud Tools January 2014 status update

Percona Cloud Tools, a new service currently in beta, applies Percona’s MySQL expertise to identify the best opportunities for application performance improvement.
The first component of Percona Cloud Tools that’s now available is Query Analytics. Based on pt-query-digest, Query Analytics enables DBAs and application developers to analyze MySQL queries over long periods of time and […]

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Percona Live MySQL Conference Sessions Announced

I’m very pleased to announce that the breakout session and tutorial schedules for the third annual Percona Live MySQL Conference and Expo 2014 are now online. The conference will be at The Hyatt Regency Santa Clara and Santa Clara Convention Center, April 1-4, 2014. I wish to personally thank our dedicated Conference Committee members […]

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Upcoming Webinar: What’s new in Percona XtraDB Cluster 5.6

I’ve been blogging a lot about some of the new things you can expect with Percona XtraDB Cluster 5.6 and Galera 3.x – and GA is coming soon.
To get prepared, I’ll be giving a webinar on February 5th at 1PM EST/10AM PST to talk about some of the big new features, upgrading strategies, as well as […]

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InnoDB file formats: Here is one pitfall to avoid

UPDATED: explaining the role of innodb_strict_mode and correcting introduction of innodb_file_format
Compressed tables is an example of an InnoDB feature that became available with the Barracuda file format, introduced in the InnoDB plugin. They can bring significant gains in raw performance and scalability: given the data is stored in a compressed format the amount of […]

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Webinars: Common (but deadly) MySQL mistakes

On January 22 I’ll be presenting the first of a series of two new webinars focusing on avoiding common MySQL mistakes:
How to Avoid Common (but Deadly) MySQL Operations Mistakes.

“Don’t bother me with DBA ‘best practices,’ we have real work to get done.”
So go the famous last words from overworked IT managers (we’ve all been […]

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The use of Iptables ClusterIP target as a load balancer for PXC, PRM, MHA and NDB

Most technologies achieving high-availability for MySQL need a load-balancer to spread the client connections to a valid database host, even the Tungsten special connector can be seen as a sophisticated load-balancer. People often use hardware load balancer or software solution like haproxy. In both cases, in order to avoid having a single point of […]

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Percona Cloud Tools: Making MySQL performance easy

One of our primary focuses at Percona is performance. Let me make some statements on what is “performance.”
In doing so I will refer to two pieces of content:

Carry Millsap’s talk “Performance Instrumentation: Beyond What You Do Now” [1]
White Paper (by Peter and Baron) “Goal-Driven Performance Optimization” [2]

I highly recommend that you familiarize yourself with […]

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January 14 Webinar: Get More Out of MongoDB with TokuMX

MongoDB includes several powerful features like high availability, read scaling, and horizontal scalability in an easy-to-use, schema-free database platform. But, what if you could retain those properties, improve performance, and ensure scalability without specialized tuning just by replacing the storage stack?
SPEAKER: Tim Callaghan, VP of Engineering at Tokutek
DATE: Tuesday, January 14th
TIME: 1pm ET
Register Now!
Join […]

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Finding a good IST donor in Percona XtraDB Cluster 5.6

Gcache and IST
The Gcache is a memory-based cache of recent Galera transactions that is local to each node in a cluster.  If a node leaves and rejoins the cluster, it can use the gcache from another node that stayed in the cluster (i.e., its donor node) to fetch the transactions it missed (IST) as […]

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Increasing slow query performance with the parallel query execution

MySQL and Scaling-up (using more powerful hardware) was always a hot topic. Originally MySQL did not scale well with multiple CPUs; there were times when InnoDB performed poorer with more  CPU cores than with less CPU cores. MySQL 5.6 can scale significantly better; however there is still 1 big limitation: 1 SQL query will eventually use […]

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