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github.com/pingcap/tidb/pkg/store/copr.(*copIteratorWorker).run will always do the runtime.newstack and it will take many time on it. so we can use goroutine pool to resolve it.
Enhancement
github.com/pingcap/tidb/pkg/store/copr.(*copIteratorWorker).run will always do the
runtime.newstack
and it will take many time on it. so we can use goroutine pool to resolve it.https://flamegraph.com/share/7adb104e-02f1-11ef-a542-36adf59c1176
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