August 2017
Beginner to intermediate
278 pages
6h 40m
English
book
Building Data Streaming Applications with Apache Kafka
by Chanchal Singh, Manisha Sethi, Manish Kumar, Anshul Joshi
Content preview from Building Data Streaming Applications with Apache Kafka
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Metadata request processing
Before we jump into producer or consumer request processing, we should understand some of the common activities that any Kafka client or broker would perform irrespective of whether it is a write request or fetch request. One such request is to understand how metadata is requested or fetched by Kafka clients.
Following are the steps involved in metadata requests for producing a message:
- Based on the configuration files, the client prepares a list of topics they are interested in along with the first broker they would send the metadata request to.
- It sends the requests to the broker with an array of topics prepared from step 1. If the array of topics is null, the metadata for all the topics is fetched. Along with ...
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