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Java Follow 724 Followers

Hazelcast Releases Jet 0.6

by Ben Evans Follow 18 Followers on  Apr 24, 2018

Hazelcast, maker of distributing computing technologies and tools, have released a new major version (version 0.6) of Jet, their open-source streaming processing engine.

Cloud Follow 227 Followers

Spring Cloud Stream 2.0 Released with Focus on Performance, Flexibility and Consistency

by Daniel Bryant Follow 552 Followers on  Apr 17, 2018

Pivotal has announced the General Availability release of the Spring Cloud Stream 2.0. This release includes a complete revamp of content-type negotiation functionality (allowing user-defined message converters), polling consumers, micrometer metrics support, enhanced Apache Kafka Streams support, and more.

Architecture & Design Follow 1645 Followers

Retroactive and Future Events in an Event Sourced System

by Jan Stenberg Follow 26 Followers on  Feb 09, 2018

When Thomas Pierrain started a new project with an asset management company, one important requirement was the ability to go back in time to understand why they took decisions that today look strange. At the recent DDD Europe 2018 conference in Amsterdam, Pierrain discussed his experiences when building an event sourced system that included some temporal challenges.

Architecture & Design Follow 1645 Followers

Event Sourcing in an Unreliable World

by Jan Stenberg Follow 26 Followers on  Nov 30, 2017

Examples of event sourced systems are often from process-oriented domains, like e-commerce, with incoming commands that generate events. But there are domains without processes that are intrinsically unreliable where we are collecting events from external event sources with transports that are unreliable, Lorenzo Nicora explained at the recent Microservices Conference µCon London 2017.

Architecture & Design Follow 1645 Followers

Jonas Bonér on How Events Are Reshaping Modern Systems

by Srini Penchikala Follow 31 Followers on  Nov 14, 2017

Jonas Bonér talked about event driven services and how event driven architectures (EDA) and event stream processing (ESP) technologies are helping with designing the modern applications based on distributed systems. He spoke at the recent Reactive Summit 2017 Conference.

Architecture & Design Follow 1645 Followers

Event Architectures and Event Streaming

by Jan Stenberg Follow 26 Followers on  Sep 06, 2017

When moving from a monolithic system to a distributed or microservices system, you commonly also move from a single source of truth in one database to many databases and thus many sources of truth. Using an event architecture and persisting all events as a stream can give back the single source of truth, Ben Stopford claims in one of a series of blog posts about events, event streams and Kafka.

Architecture & Design Follow 1645 Followers

Selecting an Event Architecture

by Jan Stenberg Follow 26 Followers on  Aug 24, 2017

When designing a distributed system, maybe based on microservices, and you are considering an event architecture, there are several models and technologies available. When choosing how to implement the architecture the non-functional requirements are a main factor, David Dawson claims when describing different styles of event architectures in a recent blog post.

Architecture & Design Follow 1645 Followers

Versioning of Events in Event Sourced Systems

by Jan Stenberg Follow 26 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 227 Followers

Integrate 2017 Recap: Adding Intelligence to Integration

by Kent Weare Follow 8 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 1645 Followers

Overview of the Reliable Event Delivery System at Spotify

by Jan Stenberg Follow 26 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 724 Followers

Hazelcast Release Jet, Open-Source Stream Processing Engine

by Ben Evans Follow 18 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 590 Followers

Chaperone - A Kafka Auditing Tool from the Uber Engineering Team

by Hrishikesh Barua Follow 8 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.

AI, ML and Data Engineering Follow 648 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.

AI, ML and Data Engineering Follow 648 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 227 Followers

Azure Functions Reach General Availability

by Kent Weare Follow 8 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.

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