THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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State Access on DataStream API V2
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The new API's support for state will also discussed in a separate FLIP, it will focus on how to define and access state in process function. It is also possible to discuss the further support of DataStream API V2 for the storage and computing disaggregated architecture of state.
Introduce Generalized Watermark
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It's hard for people to understand which functions are batch-stream unified and which are batch / stream dedicated. We want to introduce a hint to identify the type of function in DataStream API V2. This not only helps users, but also helps the engine work better. For example, for batch only functions, more aggressively optimize can be done in runtime level.
We will discuss this section in a separate FLIP, mainly including:
- Introducing execution hint mechanism for DataStream API V2.
- How to mark this hint for buit-in functions as well as user defined functions.
- What other helpful hints can be provided in the future.
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