add replica read adjuster function in KVSnapshot #540
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Signed-off-by: glorv <glorvs@163.com>
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Signed-off-by: glorv <glorvs@163.com>
Signed-off-by: glorv <glorvs@163.com>
Signed-off-by: glorv <glorvs@163.com>
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@disksing @youjiali1995 PTAL |
youjiali1995
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Jul 7, 2022
disksing
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Jul 7, 2022
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pingcap/tidb#35927 introduced a new follower read type
closest-adaptiveto allow send request to the nearest replica based on the response size. This can help minimize the overhead of the extra readIndex raft propose when the request is small. This PR add a new checker function in KVSnapshot so we can also apply this logic to Get/BatchGet requests.