Pythian Blog: Data Analytics, Cloud Computing, and Database Management | Database (3)

Customizing pt-stalk to capture the diagnostics data you really need

February 7, 2017

Valeriy Kravchuk's great recent post on using oprofile to profile MySQL mentioned how pt-stalk, the...

January 5, 2017

Why do we sometimes want to keep duplicate indexes? I’ve done dutiful DBA work in the past to...

March 15, 2016

It looks like Hortonworks recently decided to stop hosting a version of their Sandbox VM for...

March 11, 2016

Background A test upgrade from 11g to 12c and conversion to a container and pluggable database...

November 11, 2015

Background I recently experienced a problem when upgrading an old Oracle 10.2.0.4 database to...

June 3, 2012

Disclaimer: I am talking about PHYSICAL IO testing for the storage systems based on traditional...