A method, system, and/or computer program product log at least one stream of records in a data-processing system. A stream of records is received in succession. Records from the stream of records are logged into a log structure. In response to fulfillment of a pre-defined purging condition: the logging of the records are diverted to a buffer structure; the log structure is purged according to a set of purging criteria in response to the diverting; the records logged in the buffer structure are moved to the log structure in response to a completion of the purging; and the logging to the log structure is restored in response to a completion of the moving.