by Ibrar Ahmed | Aug 29, 2018 | Insight for DBAs, PostgreSQL
For optimum performance, a PostgreSQL database depends on the operating system parameters being defined correctly. Poorly configured OS kernel parameters can cause degradation in database server performance. Therefore, it is imperative that these parameters are...
by Vadim Tkachenko | Jan 23, 2018 | Insight for DBAs, Insight for Developers, MySQL, Security
In this blog post, we’ll look at the performance hit from the Spectre bug fix on Ubuntu. Recently we measured the performance penalty from the Meltdown fix on Ubuntu servers. It turned out to be negligible. Today, Ubuntu made a Spectre bug fix on Ubuntu...
by Tom De Cooman | Jan 4, 2018 | MongoDB, MySQL, Open Source, Security
In this blog post, we examine the recent revelations about CPU security vulnerabilities. The beginning of the new year also brings to light fresh and new CPU security vulnerabilities. Today’s big offenders originate on the hardware side – more specifically, the...
by Ovais Tariq | Apr 28, 2014 | Insight for DBAs, MySQL
I have recently been involved in diagnosing the reasons behind OOM invocation that would kill the MySQL server process. Of course these servers were primarily running MySQL. As such the MySQL server process was the one with the largest amount of memory allocated. But...