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Recently, we were doing some experiments with a SQL query that joins a few dimensional tables to enrich incoming records. While doing so, we were thinking of whether an implementation of the same task using the DataStream API would actually be...
How to manage your RocksDB memory size in Apache Flink
February 26, 2020
This blog post describes some configuration options that will help you to efficiently manage the memory size of the RocksDB state backend in Apache Flink. In an earlier post, we described the alternative state backend options supported in Flink....
Replayable Process Functions: Time, Ordering, and Timers
December 17, 2019
This post originally appeared on the Bird Engineering account on Medium. It was reproduced here with permission from the author.
Detecting Offline Scooters with Stream Processing
Some of the most interesting challenges at Bird involve dealing...
Announcing Flink Community Packages
November 18, 2019
Today, we are excited to announce the launch of Flink Community Packages — a website that showcases the work of the community to push forward the ecosystem surrounding Apache Flink®. Users can explore existing packages like connectors, libraries...
Introducing Ververica's redesigned training
September 05, 2019
We are excited to present our re-designed public training offering effective September 2019. The all-new training experience has been re-designed from the ground-up to meet the requirements of a best-in-class curriculum that now includes two...
How Yelp uses Flink for predicting store visits in real time
August 26, 2019
I recently presented at Flink Forward San Francisco 2019 and showcased how the User Location Intelligence team at Yelp uses Apache Flink for predicting real-time store visits. In the following sections, I will give an overview of our stream...
Flux capacitor, huh? Temporal Tables and Joins in Streaming SQL
May 08, 2019
Figuring out how to manage and model temporal data for effective point-in-time analysis was a longstanding battle, dating as far back as the early 80’s, that culminated with the introduction of temporal tables in the SQL standard in 2011. Up to...
What's new in Flink 1.8.0?
April 11, 2019
This post originally appeared on the Apache Flink blog. It was reproduced here under the Apache License, Version 2.0.
The Apache Flink community is pleased to announce Apache Flink 1.8.0. The latest release includes more than 420 resolved issues...
Flink and Prometheus: Cloud-native monitoring of streaming applications
March 13, 2019
This post originally appeared on the Apache Flink blog. It was reproduced here under the Apache License, Version 2.0.
This blog post describes how developers can leverage Apache Flink’s built-in metrics system together with Prometheus to observe...
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