Github user evthoriz commented on the issue:
https://github.com/apache/incubator-rocketmq/pull/128
@Jaskey From the aspect of client, every batch request would cause printing
2 warning logs. But the further influence is it may damage the performance in
high throughput scenario where batch interface would more likely be used,
because it wasted netty's IO thread time doing meaningless encoding, decoding
and printing logs things.
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