jackjlli commented on issue #4127: Declare byte array size when initializing ByteArrayOutputStream URL: https://github.com/apache/incubator-pinot/pull/4127#issuecomment-483950470 @sunithabeeram In one of the high qps use cases, we've seen around 40k requests which latencies are > 400ms. There're 60% of them that have < 10ms scheduler wait time, < 10ms execution time, but higher total time. The extra time is taken in `dataTable.toBytes()` method. Thus, optimizing this method would definitely help to reduce the time of latency.
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