Edge-case behavior of INSERT…ODKU
A few weeks back, I was working on a customer issue wherein they were observing database performance that dropped through the floor (to the point of an outage) roughly every 4 weeks or so. Nothing...
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Successfully automate MySQL systems using MySQL Replication and Partitioning
A Pattern for a Newly Hired DBA? I don’t think this experience is unique. It has been shared repeatedly among those starting a job as a DBA (database administrator) at a new company, especially when...
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First meeting for MySQL User Group NL announced
With almost 40 member the MySQL User Group NL is already a success.I've now scheduled the first meeting. It will be on Friday November 16th in Amsterdam. Please signup using the meetup.com page.Agenda...
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Installing Nginx With PHP5 (And PHP-FPM) And MySQL Support (LEMP) On Ubuntu...
Installing Nginx With PHP5 (And PHP-FPM) And MySQL Support (LEMP) On Ubuntu 12.10 Nginx (pronounced "engine x") is a free, open-source, high-performance HTTP server. Nginx is known for its stability,...
View ArticlePercona XtraDB Cluster – installation and setup webinar follow up Q&A
Thanks for all, who attended my webinar, I got many questions and I wanted to take this opportunity to answer them. Q: Even ntp has a delay of 0.3-0.4 between servers does that mean a 0.25 as from logs...
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Using CURDATE() the wrong way
It has been a while since I wrote on this blog. Basically I had too much on my mind (expanding my department, holidays, etc) to actually write here and I’ll promise to post more regularly from now...
View ArticleHarness MySQL's Continued Performance Tuning Improvements
To fully harness the continued improvements in performance tuning you get with MySQL, take the MySQL Performance Tuning course. This 4 day class teaches you practical, safe, highly efficient ways to...
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Overwhelming response from the MySQL community in Barcelona
Within hours of my post about meeting the MySQL community in Barcelona, we got several offers to help, and within one day, an event was created and agreed upon.Thanks! Today the event was posted at...
View ArticleOurSQL Episode 113: A JS API with JDD
While we were at MySQL Connect last month, we interviewed long-time MySQL developer JD Duncan about integrating NoSQL and JavaScript with MySQL. His team developed the Node.js API for MySQL. This week,...
View ArticleMySQL and predictive option handling – beware
MySQL command line utilities have an interesting property – if you only use the prefix of the option or command it will go over the list of available command and if there is only one command with...
View Article¡Hola, Barcelonians! Join us Tuesday, Nov 13th
Join us at this MySQL community event with Continuent database rockstars. "State of the art of MySQL High Availability and Replication" in Barcelona, November 13th at 7pm. Reserve your seat at...
View ArticleWebinar Monday, Nov 5th @ 15:00 GMT - MySQL High Availability Realized
High Availability (HA) ensures all important business information is available for your application even when there is no database failure. This includes: How about when you are upgrading your database...
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Tungsten Replicator 2.0.6 released - Multi-Master replication made easy and more
Tungsten Replicator version 2.0.6 was released today.You can get both the binaries and the source code at the project's downloads page.This release contains many bug fixes, and various improvements....
View ArticleSpeaking at LinuxCon Europe 2012 in Barcelona (Nov. 5-9)
I feel like I just got back home from Oracle OpenWorld (check out my pictures) and some vacation, but I'll be on the road again next week to attend LinuxCon Europe in Barcelona. I'll be there from...
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Trending data with a moving average
In my recent talk at Surge and Percona Live about adaptive fault detection (slides), I claimed that hardcoded thresholds for alerting about error conditions are usually best to avoid in favor of...
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The average age of metrics being trended
Last night I wrote about trending data with a moving average, and then after I went to bed, I realized I made a mistake on the chart I showed. I calculated α for the exponentially weighted moving...
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With Its MySQL Database-as-a-Service CERN Empowers Scientists
The European Organization for Nuclear Research (CERN) is one of the world’s largest and most respected centers for scientific research. Founded in 1954 and located near Geneva on the Franco-Swiss...
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This Week in Website Performance
This Week in Website Performance is a weekly feature of the Monitis.com blog. It summarizes recent articles about website performance. Why? Because your friends at Monitis.com care. NoSQL or...
View ArticleHow to Add Policy-based Audit Compliance to you existing MySQL applications
As a follow up to an earlier blog on the subject, please join us today at 0900 US PT to learn how to easily add policy-based auditing compliance to your existing MySQL applications. This brief,...
View ArticleWebinar: MongoDB and Fractal Tree Indexes
This webinar covers the basics of B-trees and Fractal Tree Indexes, the benchmarks we’ve run so far, and the development road map going forward. Date: November 13th Time: 2 PM EST / 11 AM PST REGISTER...
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