Chia-Ping Tsai created KAFKA-20837:
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             Summary: Fix slow 
MirrorConnectorsIntegrationBaseTest#produceMessages
                 Key: KAFKA-20837
                 URL: https://issues.apache.org/jira/browse/KAFKA-20837
             Project: Kafka
          Issue Type: Test
            Reporter: Chia-Ping Tsai
            Assignee: Chia-Ping Tsai


Many mirror tests need to produce a bunch of records, but the helper method 
blocks until each record is completed. That is freaking slow for all tests...

We can refactor this while keeping the original timeout behaviour.

{code:java}
    protected void produceMessages(Producer<byte[], byte[]> producer, 
List<ProducerRecord<byte[], byte[]>> records) {
        Timer timer = Time.SYSTEM.timer(RECORD_PRODUCE_DURATION_MS);

        try {
            var futures = records.stream().map(producer::send).toList();
            for (var f : futures) {
                f.get(timer.remainingMs(), TimeUnit.MILLISECONDS);
                timer.update();
            }
        } catch (ExecutionException | InterruptedException | TimeoutException 
e) {
            throw new RuntimeException(e);
        }
    }
{code}
 



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