Percona Remote DBA

Case in Point: A Year of Customer Experience with Percona

Customer Experience

In 2017 we have welcomed many new customers into the Percona fold. It’s always interesting to find out what challenges the Percona team helped them to address and how they chose their relationship with Percona. As unbiased champions of open source database software, our consultancy, support and managed services staff apply their expertise across […]

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Three P’s of a Successful Black Friday: Percona, Pepper Media Holding, and PMM

Successful Black Friday

As we close out the holiday season, let’s look at some data that tells us how to guarantee a successful Black Friday (from a database perspective).
There are certain peak times of the year where companies worldwide hold their breath in the hope that their databases do not become overloaded or unresponsive. A large percentage […]

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How Does Percona Software Compare: the Value of Percona Software and Services

ZFS with MySQL

In this blog post, I’ll discuss my experience as a Solutions Engineer in explaining the value of Percona software and services to customers.
The inspiration for this blog post was a recent conversation with a prospective client. They were exploring open source software solutions and professional services for the first time. This is a fairly common […]

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Tips from the trenches for over-extended MySQL DBAs

This post is a follow-up to my November 19 webinar, “Tips from the Trenches: A Guide to Preventing Downtime for the Over-Extended DBA,” during which I described some of the most common reasons DBAs experience avoidable downtime. The session was aimed at the “over-stretched DBA,” identified as the MySQL DBA short of time or […]

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Avoiding MySQL ALTER table downtime

MySQL table alterations can interrupt production traffic causing bad customer experience or in worst cases, loss of revenue. Not all DBAs, developers, syadmins know MySQL well enough to avoid this pitfall. DBAs usually encounter these kinds of production interruptions when working with upgrade scripts that touch both application and database or if an inexperienced […]

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Systemtap solves phantom MySQLd SIGTERM / SIGKILL issue

The Percona Managed Services team recently faced a somewhat peculiar client issue. We’d receive pages about their MySQL service being unreachable. However, studying the logs showed nothing out of the ordinary…. for the most part it appeared to be a normal shutdown and there was nothing in anyone’s command history nor a cron task to […]

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New mydumper 0.6.1 release offers performance and usability features

One of the tasks within Percona Remote DBA is to ensure we have reliable backups with minimal impact. To accomplish this, one of the tools our team uses is called mydumper. We use mydumper for logical backups because of several nice features. Some of them are:

multithreaded, producing very fast backups compared to mysqldump
almost no […]

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Percona XtraBackup – A workaround to the failed assertion bug

I recently conducted a test backup of my “master-slave” setup in my VirtualBox as I was migrating from Percona Server 5.6.12 to version 5.6.13-rel61.0 with Percona XtraBackup v2.2.0 rev. 4885. However, doing the backup on my slave, I encountered this problem:

Shell

[04] Compressing and streaming ./test/checksum.ibd
[01] Compressing and streaming ./mysql/slave_master_info.ibd
Assertion “to_read % cursor->page_size == 0” […]

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Percona MySQL University @Portland next Monday!

We’re less than a week away from Percona MySQL University at Portland, Oregon next Monday, June 17. The latest in a series of FREE one-day educational events, we are pleased to feature 10 technical talks by members of Team Percona as well as local members of the MySQL Community:

Vadim Tkachenko, Percona co-Founder and CTO, […]

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