A method, computer system, and a computer program product for designing and executing at least one storlet is provided. The present invention may include receiving a plurality of restore operations based on a plurality of data. The present invention may also include identifying a plurality of blocks corresponding to the received plurality of restore operations from the plurality of data. The present invention may then include identifying a plurality of grain packs corresponding with the identified plurality of blocks. The present invention may further include generating a plurality of grain pack index identifications corresponding with the identified plurality of grain packs. The present invention may also include generating at least one storlet based on the generated plurality of grain pack index identifications. The present invention may then include returning a plurality of consolidated objects by executing the generated storlet.