Optimization

[gangliao]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.

• Data is divided more intelligently, so that each payload is close to the upper limit of 256KB or 6MB, thereby reducing the number of function calls.
• After the window function receives the data, how to reasonably divide it into record batch, so as to efficiently use multi-threading and SIMD.
• Parallel data source

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[gangliao]

• We need a metric module in each cloud function to stats perf info.

[gangliao]

• https://docs.rs/rusoto_lambda/latest/rusoto_lambda/struct.UpdateFunctionConfigurationRequest.html

[gangliao]

• Delete functions https://docs.rs/rusoto_lambda/latest/rusoto_lambda/trait.Lambda.html#tymethod.list_functions