AWS Lambda (Golang in docker) running slower than Python service

Hi hi all

I wrote a Python function that consumes a gzip’d file from AWS S3, and posts the lines/records onto a confluent Kafka topic, it runs at just over 8000 records/lines per second.

I then duplicated the functionality in Golang… had to build the golang version into a docker container to get it to work due to the usage of c modules by the confluent package.

strange thing, it only runs at 5128 constantly/second…

same lambda memory allocations, same basic design/steps etc.

Any chance anyone is willing to take a peak and make suggestions how to get the golang faster… I expected it faster, actually allot…


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