zzzming commented on issue #195: perf tools performance about 1/10 of java client URL: https://github.com/apache/pulsar-client-go/issues/195#issuecomment-599554373 Pref tool has a channel to pass the latency is unbuffered that means it is synchronized https://github.com/apache/pulsar-client-go/blob/master/perf/perf-producer.go#L99 With a buffered channel, I tested this would only improve roughly 10% with larger size payload over 1KB. I attest that the problem might be within SDK not the perf tool. I am unable to push one fifth of Java client message rate with a go client built based on this lib.
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