Yifan Cai created CASSANDRA-19563:
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             Summary: [Analytics] Support bulk write via S3
                 Key: CASSANDRA-19563
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19563
             Project: Cassandra
          Issue Type: New Feature
            Reporter: Yifan Cai
            Assignee: Yifan Cai


I would like to propose a new write option in Cassandra Analytics to bulk write 
SSTables via S3, in addition to the previously-implemented "direct upload to 
all sidecars" (now known as the "Direct" transport). 
The new write option, now being implemented, is the "S3_COMPAT" transport, 
which allows the job to upload the generated SSTables to an S3-compatible 
storage system, and then inform the Cassandra Sidecar that those files are 
available for download & commit.

Additionally, a plug-in system was added to allow communications between custom 
transport hooks and the job, so the custom hook can provide updated credentials 
and out-of-band status updates on S3-related issues.



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