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Search Results for: R visualization

Some fun with R visualization

My previous post I finished with the graph with unstable results. There I won’t analyze causes, but rather I want to show some different ways to present results.


Visualization tools for pt-query-digest tables

When you process MySQL slow query logs using pt-query-digest you can store samples of each query into query_review table and historical values for review trend analysis into query_review_history table. But it could be difficult to …


Using MySQL 5.6 Performance Schema in multi-tenant environments

Hosting a shared MySQL instance for your internal or external clients (“multi-tenant”) was always a challenge. Multi-tenants approach or a “schema-per-customer” approach is pretty common nowadays to host multiple clients on the same MySQL sever. One of …


Measure the impact of MySQL configuration changes with Percona Cloud Tools

When you make a change to your MySQL configuration in production it would be great to know the impact (a “before and after” type of picture). Some changes are obvious. For many variables proper values can …


Tools and tips for analysis of MySQL’s Slow Query Log

MySQL has a nice feature, slow query log, which allows you to log all queries that exceed a predefined about of time to execute. Peter Zaitsev first wrote about this back in 2006 – there …


O’Reilly Strata 2012: The Year of the Data Scientist

We had the privilege this past week to be invited to be part of the 2012 O’Reilly Strata “Making Data Work” Conference. Some of our photos from the event are here. At the event, we were excited …


Percona Server vs MySQL on Intel 320 SSD

If you are terrified by the stability of the results in MySQL in my previous post, I am going to show what we can get with Percona Server. This is also to address the results …


Tokutek Selected as a Finalist for O’Reilly Strata Conference

We are excited to announce that we’ve been named as one of ten finalists selected for the startup showcase at the O’Reilly Strata “Making Data Work” Conference at the end of this month in Santa …


MySQL Conference and Expo Talk on Benchmarking

I’ll be speaking on April 11th at 4:30 pm in Room 4 in at the Percona Conference and Expo Talk. The topic will be “Creating a Benchmark Infrastructure That Just Works.” Throughout my career I’ve …