Systems and methods include reception of a request for changed data of an object from a subscriber, determination of a logging table associated with the object, determination of a pointer to a last-processed entry of the logging table based on the object and the subscriber, determination of one or more entries of the logging table subsequent to the last-processed entry, determination of a last entry of the determined one or more entries, buffering of a pointer to the last entry, transferring of data reconstructed based on the one or more entries to the subscriber, and, in response to a determination that the transfer of data was successful, updating of the pointer to the last-processed entry of the logging table with the buffered pointer.