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Architecture & Design Follow 285 Followers

Versioning of Events in Event Sourced Systems

by Jan Stenberg Follow 6 Followers on  Jul 17, 2017

A challenge with event sourced systems is that events put in the event store years ago must be readable today, even though the software has gone through numerous changes, Greg Young stated in his presentation at this year’s DDD eXchange conference. If a system can be taken down, versioning of events is relatively simple. The real challenge comes when a system can’t be taken down.

Cloud Follow 33 Followers

Integrate 2017 Recap: Adding Intelligence to Integration

by Kent Weare Follow 5 Followers on  Jul 04, 2017

Integrate 2017, an annual integration event focused on Microsoft Integration technologies, took place in London from June 26th – 28th. Some of the key themes that were discussed include the role of cognitive computing in integration, API orchestration, SaaS connectivity, cloud native integration, the impact of serverless on integration and cloud messaging at scale.

Architecture & Design Follow 285 Followers

Overview of the Reliable Event Delivery System at Spotify

by Jan Stenberg Follow 6 Followers on  Mar 31, 2017

Spotify clients generate up to 1.5 million events per second at peak hours and all are handled by their Event Delivery System, designed to have a predictable latency and to never lose an event, Igor Maravic noted in his presentation at the recent QCon London conference, where he gave a high level overview of the system and some of the key operational aspects.

Java Follow 139 Followers

Hazelcast Release Jet, Open-Source Stream Processing Engine

by Ben Evans Follow 7 Followers on  Feb 08, 2017

Hazelcast, previously known for the open-source caching and in-memory data grid technologies, has announced a major release of their new stream processing engine, Jet.

DevOps Follow 103 Followers

Chaperone - A Kafka Auditing Tool from the Uber Engineering Team

by Hrishikesh Barua Follow 3 Followers on  Jan 26, 2017 2

The Uber Engineering team released their Kafka auditing tool called Chaperone as an open-source project. Chaperone allows for auditing and detection of data loss, latency, and duplication of messages in the multi-datacenter and high-volume Kafka setup at Uber.

Data Science Follow 135 Followers

Apache Eagle, Originally from eBay, Graduates to top-level project

by Alexandre Rodrigues Follow 0 Followers on  Jan 24, 2017

Apache Eagle, an open-source solution for identifying security and performance issues on big data platforms, graduates to Apache top level project on January 10, 2017. Firstly open-sourced by eBay on October 2015, Eagle was created to instantly detect access to sensitive data or malicious activities and, to take actions in a timely fashion.

Data Science Follow 135 Followers

Julien Nioche on StormCrawler, Open-Source Crawler Pipelines Backed by Apache Storm

by Alexandre Rodrigues Follow 0 Followers on  Dec 15, 2016

Julien Nioche, director of DigitalPebble, PMC member and committer of the Apache Nutch web crawler project, talks about StormCrawler, a collection of reusable components to build distributed web crawlers based on the streaming framework Apache Storm. InfoQ interviewed Nioche, main contributor of the project, to find out more about StormCrawler and how it compares to other similar technologies.

Cloud Follow 33 Followers

Azure Functions Reach General Availability

by Kent Weare Follow 5 Followers on  Dec 10, 2016 2

Microsoft recently announced an addition to its Platform as a Service (PaaS) offering called Azure Functions. Initially launched as a preview service in March 2016, Azure Functions provide developers with an event-driven serverless compute platform that allow organizations to pay for only what they consume.

Data Science Follow 135 Followers

Microservices and Stream Processing Architecture at Zalando Using Apache Flink

by Srini Penchikala Follow 9 Followers on  Oct 31, 2016 1

Javier Lopez and Mihail Vieru spoke at Reactive Summit 2016 Conference about cloud-based data integration and distribution platform used for stream processing in business intelligence use cases. Their solution is based on technologies such as Flink, Kafka and Elasticsearch.

Data Science Follow 135 Followers

Stream Processing and Lambda Architecture Challenges

by Alexandre Rodrigues Follow 0 Followers on  Oct 19, 2016 4

Lambda architecture has been a popular solution that combines batch and stream processing. Kartik Paramasivam at LinkedIn wrote about how his team addressed stream processing and Lambda architecture challenges using Apache Samza for data processing. The challenges described are the late arrival of events and the processing of duplicated messages.

Data Science Follow 135 Followers

Confluent Announces Kafka for the Enterprise with Multi-Datacenter Replication

by Srini Penchikala Follow 9 Followers on  Oct 05, 2016

Confluent Enterprise latest version supports multi-datacenter replication, automatic data balancing, and cloud migration capability. Confluent, provider of the Apache Kafka based streaming platform, announced last week the new features for Confluent Enterprise, to help build streaming data pipelines and develop stream processing applications.

Architecture & Design Follow 285 Followers

Neha Narkhede: Large-Scale Stream Processing with Apache Kafka

by Ralph Winzinger Follow 0 Followers on  Jun 19, 2016

In her presentation "Large-Scale Stream Processing with Apache Kafka" at QCon New York 2016, Neha Narkhede introduces Kafka Streams, a new feature of Kafka for processing streaming data. According to Narkhede stream processing has become popular because unbounded datasets can be found in many places. It is no longer a niche problem like, for example, machine learning.

Architecture & Design Follow 285 Followers

Comparison of Event Sourcing with Stream Processing

by Jan Stenberg Follow 6 Followers on  May 25, 2016

Event sourcing and CQRS are two patterns that has emerged in the Domain-Driven Design (DDD) community. Stream processing builds on similar ideas but has emerged in a different community, Martin Kleppmann noted in his presentation at the Domain-Driven Design Europe conference earlier this year comparing event sourcing with stream processing.

Cloud Follow 33 Followers

Azure Stream Analytics Publishing to Power BI Reaches General Availability

by Kent Weare Follow 5 Followers on  May 11, 2016

On Thursday, April 21 Microsoft announced the integration between Azure Stream Analytics and Power BI has reached General Availability (GA). Using this capability, customers can gain real-time insight into their business performance by analyzing in-flight data streams.

Cloud Follow 33 Followers

Apache Storm Reaches 1.0, Brings Improved Performance, Many New Features

by Sergio De Simone Follow 4 Followers on  Apr 14, 2016

Version 1.0 is "a major milestone in the evolution of Apache Storm", writes Apache Software Foundation VP for Apache Storm P. Taylor Goetz, and it includes many new features and improvements. In particular, Goetz claims a 3x–16x boost in performance.

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