Patent ID: 9734038
Date: 2017-08-15
CPC Classifications: G06F,H04L

Claim:
1. A method for processing a stream of tuples, comprising: receiving a stream of tuples to be processed by a plurality of processing elements operating on one or more computer processors, each processing element having one or more stream operators; adding, by a first stream operator, a first attribute to a tuple received on a first port of the first stream operator, the first attribute indicating the first port of the first stream operator and identifying the first stream operator; adding, by a second stream operator, a second attribute to a tuple received on a first port of the second stream operator, the second attribute indicating the first port of the second stream operator and identifying the second stream operator; determining whether a debug tuple has been received by a third stream operator, the debug tuple being a tuple that includes the first and second attributes; and performing an operation in response to determining that a debug tuple has been received.