InfoQ Homepage DevOps Content on InfoQ
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Force12.io Create a ‘Microscaling’ Framework for Apache Mesos
Force12.io have released a prototype ‘microscaling’ container demonstration running on the Apache Mesos cluster manager, which they claim starts and stops ‘priority 1’ and ‘priority 2’ containers more rapidly than traditional autoscaling approaches when given a simulated demand for the differing workloads. InfoQ discussed the goals and methodology of this approach with Force12.io’s Ross Fairbanks.
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Netflix’ Principles of Chaos Engineering
Based on their experience with arbitrarily shutting down servers or simulating the shutdown of an entire data center in production, Netflix has proposed a number of principles of chaos engineering.
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Creating an Agile Workplace
An agile workplace is one that is constantly changing, adjusting and responding to organizational needs. How to create an Agile workplace and what are the benefits.
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America runs out of IPv4 Addresses as IPv6 Usage Rises
ARIN, the resource registry that hands out allocations for IPv4 addresses, has announced that it has no more IPv4 addresses to give out. Although this doesn't mean no more IPv4 addresses will be allocated, it has brought to an end the question of when such addresses will run out. Meanwhile, IPv6 usage continues to climb with the release of iOS 9.
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Splunk ITSI: Adaptive Thresholds and Anomaly Detection
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.
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Splunk for DBAs
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.
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Nginx Announces nginScript, a JavaScript-based Configuration Language
At this year's nginx.conf, Nginx has announced a preview of nginScript, a JavaScript-based server configuration language. Meant to accompany existing scripting offerings like Lua, nginScript will give technologists with experience in JavaScript a lower barrier to entry to create more advanced configuration and delivery options.
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Puppet Enterprise 2015.2: An Interview With Michael Olson
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 .
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Architecture, Tuning, and Troubleshooting a Splunk Indexer Cluster
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.
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Introducing Splunk IT Service Intelligence
Splunk is jumping into the service-monitoring sector with a new visualization called IT Service Intelligence.
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Splunk .conf 2015 Keynote
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.
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Theories for Modern Engineering Teams
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.
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Symantec Accidentally Leaks Multiple Google SSL Certificates
Symantec’s Thawte unit admits that flawed internal practices allowed multiple Google SSL certificates to be released in an unauthorized manner.
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Google Preemptible Virtual Machines are now out of Beta
A few months after its beta launch, Google has announced the general availability of preemptible virtual machines as part of the Google Compute Engine cloud. Preemptible VMs have a lower price than other types of VMs that Google offers, but they can be shut down at any moment by Google with a 30 sec warning.
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Luca Olivari on Multi-Model NoSQL Database OrientDB 2.1 New Features
Multi-model NoSQL database OrientDB supports storing and managing document and graph data sets. Orient Technologies, the company behind OrientDB, announced last month the general availability of version 2.1 of the database.