August 2017
Beginner to intermediate
284 pages
6h 51m
English
Content preview from Mastering Apache Storm
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Why are we using Kafka between Logstash and Storm?
As we all know, Storm provides guaranteed message processing, meaning that every message enters into the Storm topology and will be processed at least once. In Storm, data loss is possible only at the spout end, if the processing capacity of Storm spout is less than the producing capacity of Logstash. Hence, to avoid the data getting lost at the Storm spout end, we will generally publish the data into a messaging queue (Kafka) and Storm spout will use the messaging queue as the data source.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.