Hadoop cluster was configured with 64 MB block size and some files were stored in it. Later on admin changed the block size to 128 MB. Choose the relevant statements in connection with this situation.
Previously stored files have 64 MB block size and newly stored files will have 128 MB block size
Previously stored files have 64 MB block size and newly stored files also will have 64 MB block size
Previously stored files will be restructured into 128 MB block size and newly stored files also will have 128 MB block size
Changing the block size results in inefficient storage and processing of data