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mona replied to the topic How to chain multiple MapReduce jobs in Hadoop? in the forum Big Data and Hadoop 6 years, 7 months ago
You can chain jobs together by writing multiple driver methods, one for each job. Call the first driver method, which uses JobClient.runJob() to run the job and wait for it to complete. When that job has completed, then call the next driver method, which creates a new JobConf object referring to different instances of Mapper and Reducer, etc. The…Read more