Tag: java

A new client was experiencing regular issues with its OA Core servers on its EBS 12.2 environment. The issue caused high CPU usage on the OA Core nodes up to 100% and sometimes caused OutOfMemoryError to appear in the logs….

Intro First, let me start by saying I do not hate Cassandra. I love Cassandra. In its place, Cassandra is a powerful tool designed well to scale to millions of operations per second over geographically distributed locations operating in a…

Great things always happen overnight. That’s probably the case for European Oracle Apps DBAs in the same situation, like myself. This morning I read Steven Chan’s latest blog post about Java Web Start certification with Oracle E-Business Suite and its…

It’s well known that mmap helps to improve performance in particular use-cases (especially if your working set fits an available memory). This doesn’t mean that the file itself has to fit memory. mmaps provides real benefits over the other IO…

This Log Buffer Edition collects and then showers around some of the information-rich blog posts from Oracle, SQL Server and MySQL.

This Log Buffer Edition cuts through the crowd and picks some of the outstanding blog posts from Oracle, SQL Server and MySQL.

A quick and easy way to know what is it inside Java process that is using your CPU. Using just Linux command line tools and JDK supplied command line utilities.