Does the mapper process multiple files at the same time or the mapper can only process one file at a time? I want to know the default behavior
>By default, a typical Mapreduce job follows one input split for each mapper .> If the file size is larger than the split size (i.e. it has more than one input split), then it is multiple mappers for each file.> If the file is not splittable like Gzip, then each map The processor has only one file or the process is Distcp, where file is the finest level of granularity.
Does the mapper process multiple files at the same time or the mapper can only process one file at a time? I want to know the default behavior
>By default, a typical Mapreduce job follows one input split for each mapper. >If the file size is greater than the split size (i.e., it There are more than one input split), then it is multiple mappers for each file.> If the file is not split like Gzip, then each mapper has only one file file or the process is Distcp, where file It is the finest level of granularity.