Implement file xattrs to tag a file's I/O profile as either "read-ahead" (if the file will be read in its entirety) or "read-random" (if the file will be accessed randomly). If "read-ahead" is selected, then download all file blocks on any read. "read-random" is what we implement now.
Implement file xattrs to tag a file's I/O profile as either "read-ahead" (if the file will be read in its entirety) or "read-random" (if the file will be accessed randomly). If "read-ahead" is selected, then download all file blocks on any read. "read-random" is what we implement now.