VARYING A CHARACTERISTIC OF A JOB PROFILE RELATING TO MAP AND REDUCE TASKS ACCORDING TO A DATA SIZE

摘要

A job profile is received that includes characteristics of a job to be executed, where the characteristics of the job profile relate to map tasks and reduce tasks of the job. The map tasks produce intermediate results based on input data, and the reduce tasks produce an output based on the intermediate results. The characteristics of the job profile include at least one particular characteristic that varies according to a size of data to be processed. The at least one particular characteristic of the job profile is set based on the size of the data to be processed.