Github user zentol commented on the issue:
https://github.com/apache/flink/pull/4654
removing the object aggregator will break the remaining pipeline, so that
option is out too.
As for the client upload, that's exactly whats being done right now. The
jar is uploaded to the blob server, and only the blob key is transmitted via
REST. The problem here is that this also requires any client to be written in
java and rely on Flink, whereas we would prefer if any client, written in any
language, can communicate with the REST APIs.
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