Add message_max_bytes producer option #62
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cnweaver
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Oct 7, 2022
lpsinger
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Oct 7, 2022
Kafka has a default max message size of 1 MB. The base64-encoded sky maps are just barely too large to fit. Enabling Zstandard compression brings the message size below Kafka's broker-side default limits. However, there is also a producer client-side config called `message.max.bytes` that is applied _before_ compression. GCN will require the producer to set the following two client-side configs: ``` compression.type = zstd message.max.bytes = 1024 * 1024 * 2 ``` These options should be coming in the next release of adc-streaming with the following PRs: * astronomy-commons/adc-streaming#61 * astronomy-commons/adc-streaming#62 Until then, we can set the configs manually by monkeypatching the `adc.producer.ProducerConfig` class. Fixes #459.
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