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DevOps Follow 1057 Followers

Splitting Stateful Services across Continents at Instagram

by Hrishikesh Barua Follow 18 Followers on  Nov 29, 2018

At the recent Large Installation System Administration (LISA) 2018 Conference, Sherry Xiao, production engineer at Instagram, explained how their team split Instagram’s services across datacenters in the US and Europe. They achieved data locality in their stateful services - Cassandra and TAO - by using new and modified tools from Facebook’s engineering team.

DevOps Follow 1057 Followers

Building Resilience in Netflix Production Data Migrations: Sangeeta Handa at QCon SF

by Daniel Bryant Follow 827 Followers on  Nov 11, 2018

At QCon SF, Sangeeta Handa discussed how Netflix had learned to build resilience into production migrations across a number of use cases. Key lessons learned included: aim for perceived or actual zero downtime, even for data migrations; invest in early feedback loops to build confidence; find ways to decouple customer interactions from your services; and build independent checks and balances.

DevOps Follow 1057 Followers

Spotify Open Sources cstar: its Cassandra Orchestration Tool

by Diogo Carleto Follow 46 Followers on  Oct 13, 2018

Spotify recently open sourced cstar, its Cassandra orchestration tool. Cstar is a command line tool to runs scripts on all hosts in a Cassandra cluster.

DevOps Follow 1057 Followers

Bloomberg’s Standardization and Scaling of Its Monitoring Systems

by Hrishikesh Barua Follow 18 Followers on  Jul 21, 2018

One of the outcomes of Bloomberg’s adoption of SRE practices across its development teams is the monitoring system, backed by the Cassandra-based Metrictank time-series database, that they put in place.

DevOps Follow 1057 Followers

Scaling Graphite at Criteo Using a Cassandra Backend

by Hrishikesh Barua Follow 18 Followers on  Mar 12, 2018

At last month's FOSDEM, a member of the Criteo SRE team delivered a talk on scaling their Graphite installation using Cassandra for storage. A custom Graphite plugin called BigGraphite written by the Criteo engineering team replaces the default WhisperDB with Cassandra to achieve fault tolerance and elastic scaling.

Architecture & Design Follow 2650 Followers

Microsoft Directly Challenges MongoDB and Cassandra with Cosmos DB

by Jonathan Allen Follow 657 Followers on  Mar 01, 2018 3

The term “Embrace, Extend, and Extinguish” is often thrown about whenever someone is upset with Microsoft. Superficially it describes any attempt by a technology company to attract users of a competitor’s product, but the actual strategy is more complicated than that. In this report will use Azure Cosmos DB to illustrate the concept.

Architecture & Design Follow 2650 Followers

QCon New York 2017: Scaling Event Sourcing for Netflix Downloads

by Andrew Morgan Follow 4 Followers on  Aug 23, 2017

Phillipa Avery, senior software engineer at Netflix, and Robert Reta, senior software engineer at Netflix, presented their Cassandra-backed event sourcing architecture at QCon New York 2017. Currently, it powers the download feature in Netflix, and was summarised as something which improved the flexibility, reliability, scalability and debuggability of their services.

Java Follow 1214 Followers

Emerging Technologies for the Enterprise Conference 2017: Day One Recap

by Michael Redlich Follow 17 Followers on  Apr 24, 2017

Day One of the 12th annual Emerging Technologies for the Enterprise Conference was held on Tuesday, April 18 in Philadelphia, PA. This two-day event included keynotes by Blair MacIntyre (augmented reality pioneer) and Scott Hanselman (podcaster), and featured speakers Monica Beckwith (JVM consultant at Oracle), Yehuda Katz (co-creator of Ember.js), and Jessica Kerr (lead engineer at Atomist).

Java Follow 1214 Followers

Lightbend Speaks to InfoQ on Their Acquisition of OpsClarity

by Michael Redlich Follow 17 Followers on  Feb 24, 2017

Nine months after acquiring BoldRadius, Lightbend announced their acquisition of OpsClarity, a company specializing in monitoring reactive applications. InfoQ interviewed Mark Brewer, president and CEO at Lightbend and Alan Ngai, co-founder of OpsClarity and now VP of cloud services at Lightbend to learn more about this new partnership.

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Mashape Open Sources API Gateway Kong

by Abel Avram Follow 12 Followers on  Apr 28, 2015 1

Mashape has open sourced their API Layer called Kong.

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How Twitter Answers Handles Five Billion Sessions a Day

by Sergio De Simone Follow 21 Followers on  Mar 09, 2015

Twitter's Answers is an analytics service for mobile apps that has come to see five billion sessions per day. Ed Solovey, software engineer at Twitter, has described how their system works to provide "reliable, real-time, and actionable" data based on hundreds of millions of mobile devices sending millions of events every second.

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How Netflix Handled the Reboot of 218 Cassandra Nodes

by Abel Avram Follow 12 Followers on  Oct 28, 2014

Amazon performed a major maintenance update at the end of September in order to patch a security vulnerability in a Xen hypervisor affecting about 10% of their global fleet of cloud servers. This update involved the rebooting of those servers, with consequences for AWS users and the services they provide, including one of their largest clients, Netflix.

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Vormetric Partners with DataStax to Deliver Enhanced Data-at-Rest Security in Apache Cassandra

by Abhishek Sharma Follow 2 Followers on  Oct 27, 2014

Vormetric, a data security solutions provider has announced a partnership with DataStax, the company behind Apache Cassandra, to enhance the enterprise-class security features in the platform. The two companies will work together to enhance data-at-rest security that includes encryption, enhanced access controls and security intelligence in Apache Cassandra.

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BitCoins Lost, MongoDB and Eventual Consistency

by Abel Avram Follow 12 Followers on  Apr 24, 2014 6

The recent theft from several BitCoin operators has sparked a debate whether eventually consistent databases are useful or not for banking.

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Cassandra Gains Momentum On Enterprise Adoption Around 2.1 Release

by Alex Giamas Follow 10 Followers on  Mar 05, 2014

Cassandra is rapidly heading towards 2.1 release, with 2.1.0-beta1 already available for evaluation. We take a look at major features introduced in the latest major release and what's coming up. Supported by DataStax, Cassandra is expanding its reach towards the enterprise world. DataStax recently announced a partner network program, Patrick McFadin called out on MongoDB's scaling issues and other

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