Pipe: improve incremental memory estimation (#18049) (#18113) #30141

Job	Run time
unit-test (17, windows-latest, others)	21m 37s
unit-test (17, ubuntu-latest, others)	15m 47s
unit-test (17, ubuntu-latest, datanode)	29m 32s
unit-test (17, windows-latest, datanode)	40m 34s
	1h 47m 30s

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