# How Delivery Hero rebuilt real-time ad measurement with Apache Flink

DevFeed: [How Delivery Hero rebuilt real-time ad measurement with Apache Flink](<https://devfeed.tech/articles/how-delivery-hero-rebuilt-real-time-ad-measurement-with-apache-flink-59238.md>)

Original publisher: [Read original article](<https://aws.amazon.com/blogs/big-data/how-delivery-hero-rebuilt-real-time-ad-measurement-with-apache-flink/>)

Author: Kirill Tishenkov

Published: 2026-09-24T16:09:12Z

Content type: article

Language: en

Sources: [AWS Big Data Blog](<https://devfeed.tech/sources/aws-big-data-blog.md>)

Topics: [Apache Flink](<https://devfeed.tech/topics/apache-flink.md>), [real-time](<https://devfeed.tech/topics/real-time.md>), [Streaming](<https://devfeed.tech/topics/streaming.md>), [processing](<https://devfeed.tech/topics/processing.md>), [recording](<https://devfeed.tech/topics/recording.md>), [data](<https://devfeed.tech/topics/data.md>), [service](<https://devfeed.tech/topics/service.md>), [API](<https://devfeed.tech/topics/api.md>), [Database](<https://devfeed.tech/topics/database.md>)

Tags: [amazon-managed-service-for-apache-flink](<https://devfeed.tech/tags/amazon-managed-service-for-apache-flink.md>), [apache-flink](<https://devfeed.tech/tags/apache-flink.md>), [batch](<https://devfeed.tech/tags/batch.md>), [batch-processing](<https://devfeed.tech/tags/batch-processing.md>), [costs](<https://devfeed.tech/tags/costs.md>), [customer-solutions](<https://devfeed.tech/tags/customer-solutions.md>), [data](<https://devfeed.tech/tags/data.md>), [data-quality](<https://devfeed.tech/tags/data-quality.md>), [flink](<https://devfeed.tech/tags/flink.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [it](<https://devfeed.tech/tags/it.md>), [messages](<https://devfeed.tech/tags/messages.md>), [pipeline](<https://devfeed.tech/tags/pipeline.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [results](<https://devfeed.tech/tags/results.md>), [scale](<https://devfeed.tech/tags/scale.md>), [streaming](<https://devfeed.tech/tags/streaming.md>)

## AI overview

This case study explains how Delivery Hero moved real-time ad measurement from hourly batch processing to a streaming pipeline on Amazon Managed Service for Apache Flink. The new system reduced the delay between events and recording to 1.2 seconds, cut monthly operational costs by about 57%, and improved data quality.

## Source excerpt

Learn how Delivery Hero rebuilt its ad measurement pipeline from hourly batch processing to real time on Amazon Managed Service for Apache Flink, cutting the gap between an event and its recording from 61 minutes to 1.2 seconds and reducing monthly operational costs by about 57%.