September 2017
Beginner to intermediate
360 pages
8h 13m
English
IMDB stands for In-Memory Database. An IMDB is required to keep intermediate results while processing the streaming of events or to keep static information related to events, which is not provided in events, for example. Employee details can be stored in IMDB on the basis of employee IDs and events that are coming in and out of an office. In this case, an event does not contain complete information about employees to save the network costs and for better performance, Therefore, when Storm processes the event, it will take static information regarding the employee from the IMDB and persist it along with the event details in Cassandra or any other database for further analytics. There are numerous ...
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