Splunk ITSI: Adaptive Thresholds and Anomaly Detection

by Jonathan Allen on  Sep 24, 2015

In theory the operations team determines what the thresholds for warnings and alerts should be. But in practice, the operations team often have no idea what these values should be. Using machine learning techniques such as adaptive thresholds, Splunk ITSI solves this problem.

Splunk for DBAs

by Jonathan Allen on  Sep 24, 2015

The DBA’s primary job is to ensure that the business’s information is always available, with performance coming in at close second. We’ve already talked about optimizing distributed queries in Splunk and map-reduce queries in Hunk. In this report we expand upon that with more information that a DBA needs to know about Splunk databases.

Puppet Enterprise 2015.2: An Interview With Michael Olson

by Matthias Marschall on  Sep 24, 2015

Puppet Labs’ latest version of Puppet Enterprise - version 2015.2 - includes new features like node graph visualization, inventory filtering, and a VMware vSphere module. It provides users with major enhancements of the Puppet Language and an updated web UI. InfoQ spoke with Michael Olson, Senior Product Marketing Manager at Puppet Labs .

Optimizing Distributed Queries in Splunk

by Jonathan Allen on  Sep 23, 2015

Optimizing queries in Splunk’s Search Processing Language is similar to optimizing queries in SQL. The two core tenants are the same: Change the physics and reduce the amount of work done. Added to that are two precepts that apply to any distributed query.

Big Data Architecture: Push, Pull, or Search in Place?

by Jonathan Allen on  Sep 23, 2015

A surprisingly common theme at the Splunk Conference is the architectural question, “Should I push, pull, or search in place?”

Architecture, Tuning, and Troubleshooting a Splunk Indexer Cluster

by Jonathan Allen on  Sep 23, 2015

If you could handle all of the data you need to work with on one machine, then there is no reason to use big data techniques. So clustering is pretty much assumed for any installation larger than a basic proof of concept. In Splunk Enterprise, the most common type of cluster you’ll be dealing with is the Indexer Cluster.

Hunk/Hadoop: Performance Best Practices

by Jonathan Allen on  Sep 23, 2015

When working with Hadoop, with or without Hunk, there are a number of ways you can accidentally kill performance. While some of the fixes require more hardware, sometimes the problems can be solved simply by changing the way you name your files.

Introducing Splunk IT Service Intelligence

by Jonathan Allen on  Sep 22, 2015

Splunk is jumping into the service-monitoring sector with a new visualization called IT Service Intelligence.

Using Hunk+Hadoop as a Backend for Splunk

by Jonathan Allen on  Sep 22, 2015

Splunk can now store archived indexes on Hadoop. At the cost of performance, this offers a 75% reduction in storage costs without losing the ability to search the data. And with the new adapters, Hadoop tools such as Hive and Pig can process the Splunk-formatted data.

Splunk .conf 2015 Keynote

by Jonathan Allen on  Sep 22, 2015

Splunk opened their big data conference with an emphasis on “making machine data accessible, usable, and valuable to everyone”. This is a shift from their original focus: indexing arbitrary big data sources. Reasonably happy with their ability to process data, they want to ensure that developers, IT staff, and normal people have a way to actually use all of the data their company is collecting.

Theories for Modern Engineering Teams

by João Miranda on  Sep 22, 2015

After a 5-year stint, Kellan Elliott-McCrea, left Etsy. Elliott-McCrea was Etsy's CTO for the past 4 years and VP of Engineering before that. During those five years both the software product and the engineering team underwent radical changes. In the article announcing his departure, Elliott-McCrea expounds five theories that guided him through those changes.

Google's Cloud Dataflow Enters General Availability

by Kent Weare on  Sep 17, 2015

On August 12, Google announced that its big data processing service has reached general availability. This managed service allows customers to build pipelines that manipulate data prior to being processed by big data solutions. Cloud Dataflow supports both streaming and batch programming in a unified model.

New Linux-Only Mainframes Support Chef

by Guillermo Beltri on  Sep 16, 2015

IBM has announced LinuxONE, a Linux-only hardware portfolio which runs SUSE, Red Hat or Ubuntu distributions and adds support for different open-source tools such as Docker and Chef. This offering is targeted to both large enterprises and mid-size businesses.

Disposable Microservices

by Mark Little on  Sep 13, 2015 1

James Governor from RedMonk has written about how immutable infrastructure approaches are applicable to microservices. In his view, all microservices must be immutable and developers will observe the same benefits which others are already seeing in lower layers of the software stack.

Microsoft and Docker Preview Windows Server Containers

by João Miranda on  Sep 10, 2015 1

It is now possible to run Windows-specific software inside containers. Windows Server 2016 Technical Preview 3 is the first Windows release to support this technology. Windows Server Containers offer very similar capabilities to Linux containers, but in the context of the Windows ecosystem. Docker also released its own technical preview that showcases how it's able to manage Windows containers.

General Feedback
Marketing and all content copyright © 2006-2015 C4Media Inc. hosted at Contegix, the best ISP we've ever worked with.
Privacy policy