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Updated in [February 21st, 2023]

This course introduces users to TSAR (the TimeSeries AggregatoR), a data aggregation system developed by Twitter. It covers the design principles of TSAR, its data schema coordination, and how it is used to aggregate data such as API aggregates and tweet impressions.
Possible development paths for learners include learning more about data aggregation systems, data engineering, and data science. Learners can also explore other data aggregation systems and how they are used in different contexts.
Learning suggestions for learners include exploring other data aggregation systems, such as Apache Kafka and Apache Spark, and understanding the principles of data engineering and data science. Learners can also look into the different ways data aggregation systems are used in different contexts. Additionally, learners can look into the different ways data can be aggregated and how to optimize the process.