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In hadoop how the number of mappers are determined in a case when i have 10000 files each of 1MB and my split size is 100MB. Will the number of mappers be 10000 or 100?

In hadoop how the number of mappers are determined in a case when i have 10000 files each of 1MB and my split size is 100MB. Will the number of mappers be 10000 or 100?

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