Make it easier to observe data skew between different pipelines in TiFlash
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type/enhancement
- Dominant language
- C++
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Description
Enhancement
When running MPP/BatchCop Task, TiFlash usually use multiple pipeline to process the data, sometimes there maybe an unexpected data skew between different pipeline, and this will hurt the overall performance, but we do not have an easy way to observe the data skew, need to provide an easier way to observe this.
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