[GitHub] [incubator-pinot] mayankshriv opened a new issue #4099: Latency optimization by avoiding redundant bytes<->string conversions

[GitBox <gi...@apache.org>]

mayankshriv opened a new issue #4099: Latency optimization by avoiding redundant bytes<->string conversions
URL: https://github.com/apache/incubator-pinot/issues/4099
 
 
   Aggregation group by queries tend to be expensive in general. Depending on the data and query, a sizable part of the cpu-time is spent de-serializing Strings from bytes (fwd index) when performing group-by. Most of the query (grouping) can be performed without this conversion, working directly on bytes or wrappers such as ByteString. Creating this issue to evaluate the potential gain, and scope out the work needed.

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