Roger Hosto

Articles

Writing on databases, infrastructure, and whatever else comes up.

All Data & AI Databases Administration Development Open Source Software Personal System Administration Uncategorized

Oct 1, 2013 · System Administration

Work Blog: Managing Your Linux Deployments with Spacewalk

I have been using Spacewalk for a while now and really like a lot of the built-in functionality. I have been using it to build out and manage a lot …

Sep 8, 2013 · Databases Administration

What does Facebook consider an average day's worth of data?

Well according to this article from gigaom.com. The average day looks something like this. 2.5 billion content items shared per day (status updates + wall posts + photos + videos …

Aug 29, 2013 · Databases Administration

Big Data for Small Business

I have said it before and will say it again you don't have to be fortune 500 company to use Big Data. Big Data is more about understanding your data, …

Aug 20, 2013 · System Administration

CentOS 6.4 service virt-who won't start - work around

Here is the problem. [root@bob ~]# service virt-who start Démarrage de virt-who : Traceback (most recent call last): File "/usr/share/virt-who/virt-who.py", line 33, in <module> from subscriptionmanager import SubscriptionManager, SubscriptionManagerError File …

Aug 9, 2013 · Databases Administration

What's New with MongoDB Hadoop Integration.

I attend this Webinar yesterday and it was pretty good. I like how straight they interaction between MongoDB and Hadoop. Check it out if you get a chance. http://www.10gen.com/presentations/webinar-whats-new-mongodb-hadoop-integration

Jul 22, 2013 · Databases Administration

Wrangling Customer Usage Data with Hadoop

Here is our session from the Hadoop Summit 2013.   Title: Wrangling Customer Usage Data with Hadoop Slides: http://www.slideshare.net/Hadoop_Summit/hall-johnson-june271100amroom211v2 Description: At Clearwire we have a big data challenge: Processing millions …

Jun 17, 2013 · Development

Something new, writing Android App in HTML 5

I wanted to write an App for my Android Tablet, something easy so I could get a basic understanding of what it would take to write an app. I figured …

Jun 12, 2013 · Databases Administration

Windows Azure HDInsight ( Hadoop on Windows )

Lately I have been asked by a lot of my co-workers, if Hadoop runs on Windows. After going to the Hadoop Summit last month, I have been able to tell …

Mar 1, 2013 · Databases Administration

Hadoop to Hadoop Copy

Here recently I need to copy the content of one hadoop cluster to another for geo redundancy. Thankfully instead of have to write something to do it, Hadoop supply a …

Sep 19, 2012 · Databases Administration

Hortonworks Road Show "Big Business Value from Big Data and Hadoop"

This morning I went to the Hortonworks Road Show. It's wasn't Bad. I have to say out of the Hadoop Vendor I have talked to, I like Hortonworks business model …

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