Resolve affinity nodes for specified part of file.
Calculates non-colocated affinity for given file info and given region of file.
Maps affinity key to node.
Executes callable in GGFS executor service. If execution rejected, callable will
be executed in call
Tries to remove blocks affected by fragmentizer. If cleanNonColocated is true,
will remove non-coloc
Get data block for specified file ID and block index.
Creates new instance of explicit data loader.
Delete file's data from data cache.
Check if two collections are equal as if they are lists (with respect to order).
Gets group block size (block size * group size).