September 2017
Beginner to intermediate
360 pages
8h 13m
English
book
Practical Real-time Data Processing and Analytics
by Shilpi Saxena, Selva raj Ramasamy, Prateek Bhati, Saurabh Gupta
Content preview from Practical Real-time Data Processing and Analytics
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Flink basic components and processes
As per the official documentation of Flink https://ci.apache.org/projects/flink/flink-docs-release-1.3/concepts/runtime.html and https://ci.apache.org/projects/flink/flink-docs-release-1.3/internals/components.html, the following are some of the processes and basic components of Flink.
Processes: There are two types of processes in Flink, as shown in the following figure:
- JobManagers (Master): It is responsible for distributing the task among the TaskManagers, maintaining check points and for recovery in case of any failure. To achieve high availability, we need to set up more than one JobManager where one acts as a leader and the other as standby. The leader and standby JobManager are always in sync ...
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