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HCatReader or HCatWriter at master and slave nodes.HCatReader
HCatReader
HCatReader
This should be called if external system has some state to provide to HCatalog
HCatWriter
HCatWriter
HCatWriter
If external system has some mechanism for providing state to HCatalog, this constructor
can be used.
HCatInputFormatLoadFunc to read data from HCatHCatOutputFormatDataTransferFactory at master node.
DataTransferFactory at slave nodes.
HCatInputFormat
and HCatOutputFormatPigStorageMetaStoreEventListener
It sends message on two type of topics.ReaderContext which then should be
serialized and sent to slave nodes.
HCatRecords
ReadEntity.InputSplit obtained at master node
and configuration.WriteEntity.
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