1. A method for storing data in a log of a data storage system, the method comprising: receiving, from a requestor, a set of three or more sequential requests, each request specifying data to be written to a data object served by the data storage system; placing the data specified by respective ones of the requests into respective lockable units of storage for the log such that the data of no two sequential requests are stored within the same lockable unit, wherein each lockable unit is constructed and arranged to be locked for access by a writer when being written and to be unlocked when not being written, and wherein each of the lockable units is configured to store data specified by multiple requests; and acknowledging, to the requestor, completion of each of the requests in response to placing the data specified by the respective request in one of the lockable units of storage.