Antoine Pitrou created ARROW-6357:
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Summary: [C++] S3: allow for background writes
Key: ARROW-6357
URL: https://issues.apache.org/jira/browse/ARROW-6357
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Antoine Pitrou
S3 writes can be synchronous: when a part is uploaded, Write() will only return
once the server has received the contents and responded "Ok".
We may want to add a S3 option to issue writes in the background (e.g. using
the S3 client's asynchronous APIs).
Another possibility is to provide a general OutputStream implementation that
backgrounds writes (this should be independent of BufferedOutputStream, though,
because S3FileSystem already has its own buffering layer).
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