THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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For CatalogBaseTable, we use CatalogPropertiesUtil to serialize/deserialize it , it's the tools that Flink already provides.
The complexity of serialization Catalog is high, and we need to introduce a new serialization mechanism to achieve this, which is described in a separate section.For Catalog:
Runtime
Provide JM side, job status change hook mechanism.
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