Search Results for: mysql top

Innotop: A real-time, advanced investigation tool for MySQL

GUI monitoring tools for MySQL are not always suitable for all our needs or situations. Most of them are designed to provide historical views into what happens to our database over time rather then real-time insight into current MySQL server status. Excellent free tools for this include Cacti, Zabbix, Ganglia, Nagios, etc. But each of […]

The top 5 proactive measures to minimize MySQL downtime

I’m happy to announce that the recording for my recent webinar “5 Proactive Measures to Minimize MySQL Downtime” is now available, along with the slides. They can both be found here. My webinar focused on the top 5 operational measures that prevent or reduce downtime — along with the related business impact in a significant […]

Top 5 MySQL wishes – what is next ?

I’ve read through Top 5 (or more) wishes posted by number of MySQL employees as well as by a lot of community members. It was great to see so wide coverage as people with different backgrounds wish different things – Developers have some wishes to ease development process, MySQL DBAs would like stuff related to […]

Top 5 Wishes for MySQL

About a week ago Marten send me email pointing to his article published on Jays Blog (Come on Marten, it is time for you to get your own blog). I should have replied much earlier but only found time to do that now. So here is my list 1. Be Pluggable Unlike many OpenSource projects […]

Identifying useful info from MySQL row-based binary logs

As a MySQL DBA/consultant, it is part of my job to decode the MySQL binary logs – and there are a number of reasons for doing that. In this post, I’ll explain how you can get the important information about your write workload using MySQL row-based binary logs and a simple awk script. First, it […]

FOSDEM 2015: MySQL and Friends Community Dinner!

As you may already be aware, FOSDEM and its wonderful MySQL and Friends track are once again descending upon the campus of the ULB in Brussels, Belgium. Logically, a traditional MySQL and Friends Community Dinner must follow! Signups for that dinner, on January 31, are now available, so be sure to get your tickets before they run out. […]

MySQL performance implications of InnoDB isolation modes

Over the past few months I’ve written a couple of posts about dangerous debt of InnoDB Transactional History and about the fact MVCC can be the cause of severe MySQL performance issues. In this post I will cover a related topic – InnoDB Transaction Isolation Modes, their relationship with MVCC (multi-version concurrency control) and how […]

Django with time zone support and MySQL

This is yet another story of Django web-framework with time zone support and pain dealing with python datetimes and MySQL on the backend. In other words, offset-naive vs offset-aware datetimes. Shortly, more about the problem. After reading the official documentation about the time zones, it makes clear that in order to reflect python datetime in […]

Using YUM to install specific MySQL/Percona Server versions

Sometimes it is desired to use particular software versions in production, and not necessary the latest ones. There may be several reasons for that, where I think the most common is when a new version should spend some time in testing or a staging environment before getting to production. In theory each new version is […]