March 2019
Intermediate to advanced
394 pages
11h 4m
English
Content preview from Mastering MongoDB 4.x - Second Edition
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A big data use case
Putting all of this into action, we will develop a fully working system using a data source, a Kafka message broker, an Apache Spark cluster on top of HDFS feeding a Hive table, and a MongoDB database. Our Kafka message broker will ingest data from an API, streaming market data for an XMR/BTC currency pair. This data will be passed on to an Apache Spark algorithm on HDFS to calculate the price for the next ticker timestamp, based on the following:
- The corpus of historical prices already stored on HDFS
- The streaming market data arriving from the API
This predicted price will then be stored in MongoDB using the MongoDB Connector for Hadoop. MongoDB will also receive data straight from the Kafka message broker, storing ...
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