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Debugging High CPU Usage Using Perf Tool and vmcore Analysis

There are several tools and technologies available to debug deeper into high CPU utilization in a system; perf, sysrq, oprofile, vmcore, and more. In this post, I will narrate the course of debugging a CPU utilization issue using technologies like perf and vmcore. Following sar output is from a system which faces high %system usage. [root@prod-smsgw1…

NZOUG14 Beckons

New Zealand is famous for Kiwis, pristine landscape, and the New Zealand Oracle User Group (NZOUG) conference.  The location of choice is New Zealand when it comes to making Lord of the Rings and making Oracle Lord of the Databases.

Deploying a Private Cloud at Home — Part 4

Today’s blog post is part four of seven in a series dedicated to Deploying Private Cloud at Home, where I will be demonstrating how to configure Imaging and compute services on controller node. See my previous blog post where we began configuring Keystone Identity Service. Install the Imaging service yum install -y openstack-glance python-glanceclient Configure Glance (Imaging…

Deploying a Private Cloud at Home — Part 3

Today’s blog post is part three of seven in a series dedicated to Deploying Private Cloud at Home, where I will demonstrate how to configure OpenStack Identity service on the controller node. We have already configured the required repo in part two of the series, so let’s get started on configuring Keystone Identity Service. Install keystone on…

Oracle E-Business Suite Updates From OpenWorld 2014

Oracle OpenWorld has always been my most exciting conference to attend. I always see high energy levels everywhere, and it kind of revs me up to tackle new upcoming technologies. This year I concentrated on attending mostly Oracle E-Business Suite release 12.2 and Oracle 12c Database-related sessions. On the Oracle E-Business Suite side, I started…

Deploying a Private Cloud at Home — Part 2

Today’s blog post is part two of seven in a series dedicated to Deploying Private Cloud at Home, where I will demonstrate how to do basic configuration setup to get started with OpenStack. In my first blog post, I explained why I decided to use OpenStack. I am using a two-node setup in my environment, but you…

SQL Saturday Bulgaria 2014

  This Saturday October 11, I will be speaking at SQL Saturday Bulgaria 2014 in Sofia. It’s my first time in the country and I’m really excited to be part of another SQL Saturday :) I will be speaking about Buffer Pool Extension, a new feature on SQL Server 2014. If you want to learn a…

What is Continuous Integration?

Most companies want to deploy features faster, and fix bugs more quickly—at the same time, a stable product that delivers what the users expected is crucial to winning and keeping the trust of those users.  At face value, stability and speed appear to be in conflict; developers can either spend their time on features or on…

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