David Hay created KAFKA-2137:
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Summary: New Kafka Producer not fully asynchronous
Key: KAFKA-2137
URL: https://issues.apache.org/jira/browse/KAFKA-2137
Project: Kafka
Issue Type: Improvement
Reporter: David Hay
The new Producer client attempts to be fully asynchronous. However, it sill
has the potential to block at the start of the {{send}} method when it asks for
the metadata for the topic. ({{waitOnMetadata(record.topic(),
this.metadataFetchTimeoutMs)}})
There is a timeout (60 seconds, by default), but it would be nice if this
lookup was performed in the background thread as well. This way producers
could fire and forget without any potential to block the sending thread.
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