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by Jun Qin March 29, 2021

The Impact of Disks on RocksDB State Backend in Flink: A Case Study

As covered in a recent blog post, RocksDB is a state backend in Flink that allows a job to have state larger than the amount of available memory as the state backend can spill state to local disk....

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by Feng Wang December 21, 2020

Apache Flink's stream-batch unification powers Alibaba's 11.11 in 2020

Apache Flink, Ververica Platform and Alibaba Cloud's RealTime Compute technology stack processes record breaking real time data during this year's Double 11! Wondering how Apache Flink, Ververica...

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How mitigating event-time skewness can reduce checkpoint failures and task manager crashes

Introduction Support for event time and stateful event processing are some of the features that make Apache Flink stand out compared to other stream processors. However, using event time may cause...

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by Alexander Fedulov July 09, 2020

Presenting our Streaming Concepts & Introduction to Flink Video Series

Transitioning from the batch data processing world into the world of stream processing and real time analytics can be challenging. Throughout this process, there are many new concepts you need to...

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by Nico Kruber February 27, 2020

A Journey to Beating Flink's SQL Performance

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...

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by Stefan Richter February 26, 2020

How to manage your RocksDB memory size in Apache Flink

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...

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by Philip Wilcox December 17, 2019

Replayable Process Functions: Time, Ordering, and Timers

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...

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by Robert Metzger November 18, 2019

Announcing Flink Community Packages

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...

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by David Anderson September 05, 2019

Introducing Ververica's redesigned training

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...

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