ResourceControl: check resp RegionErr #709
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Signed-off-by: Cabinfever_B <cabinfeveroier@gmail.com>
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IMO, RPC error requires pay back, but which situations in RegionError require pay back? |
AFAIK, basically all region errors are returned before applying any data to the storage, so once a region error occurs, the pay back should be performed. |
I think may need to make sure the error will not retry again, which means the request failed about that sql. |
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ref #684 (review) and tikv/pd#5941