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_______________ is a style of application design where state changes are logged as a time-ordered sequence of records.

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_______________ is a style of application design where state changes are logged as a time-ordered sequence of records.

(a) Event sourcing

(b) Commit Log

(c) Stream Processing

(d) None of the mentioned

This question was addressed to me during an online exam.

My question comes from Kafka with Hadoop in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop

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The correct option is (a) Event sourcing

Explanation: Kafka’s support for very large stored log data makes it an excellent backend for an application built in this style.

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