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When inserting data from HDFS to Oracle or another supported database such as Greenplum, does the data flow through the DSS server (memory)?
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Hi Ubethke,

No, hopefully you won't load all your data into the memory of the DSS server.

The data is "streamed" by chunk from HDFS to Oracle. 

You should check this learn article for more details.

Matt

 

 

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Based on the article it is streamed from HDFS to DSS server to Oracle. Correct?
If so then I would argue that this is not efficient as it requires an unnecessary roundtrip of the data through the DSS server.
Your thoughts?
Thanks
Uli
Correct!
I agree but it's not always technically possible for us to avoid this roundtrip.
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