In the data source mode, the tuples must be input to the input stream in ascending order of the time values set in the tuples. When multiple input adaptors are used to send tuples, tuples may arrive at the SDP server out of sequence in terms of the chronological order of the time values. In such a case, a tuple whose time value is out of sequence is discarded by the SDP server.
Use of the timestamp adjustment function enables you to re-sort the tuples that have arrived at the SDP server so that the ones that arrived out of sequence will be input to the input stream.
The timestamp adjustment function is supported when the SDP server's time control method is set to the data source mode. The timestamp adjustment function is applied to each input stream.