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Typically, Odysseus provides a buffer placement strategy to plac= e buffers in the query plan. This operator allows adding buffers by hand. B= uffers receive data stream elements and store them in an internal element b= uffer. The scheduler stops the execution here for now. Later, the scheduler= resumes to execution (e.g. with an another thread).
Type:
The type of the buffer. The following types are curr=
ently part of Odysseus:Normal:
This is the standard type and will be used if the =
type parameter is absentMaxBufferSize
: If this value is set, a buffer will block i=
f it reaches its maximal capacity. No values will be thrown away; this is n=
ot a load shedding operator!threaded
: if set to true, this buffer will not be schedule=
d by the scheduler, but uses an own thread. Handle with care!