uCosminexus Stream Data Platform - Application Framework Setup and Operation Guide

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10.8.5 Operation when the query group shuts down

The tuple processing performed by the timestamp adjustment function when the query group is terminated depends on the query group's status (normal termination, forced termination, or shutdown).

The table below shows the tuple processing performed by the timestamp adjustment function in response to these query group statuses.

Table 10-5 Tuple processing by the timestamp adjustment function when the query group is terminated

No. Query group's status Processing by timestamp adjustment function
Stops accepting new tuples Inputs to the input stream all tuples being held by the function Discards all tuples being held by the function
1 Normal termination Y Y N
2 Forced termination Y N Y
3 Shutdown Y N Y

Legend:
Y: Performed
N: Not performed