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copr: add max_keys_read coprocessor Request - #1447
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Signed-off-by: artem_danilov <artem.danilov@airbnb.com>
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* copr: add max_keys_read coprocessor Request (#1447) Signed-off-by: artem_danilov <artem.danilov@airbnb.com> (cherry picked from commit bb32227) Signed-off-by: JmPotato <github@ipotato.me> * proto: add paging_size_bytes to coprocessor.Request (#1448) Add a new uint64 field `paging_size_bytes` (field 17) to the coprocessor Request message. When set, TiKV will stop scanning when accumulated scanned bytes reach this limit, enabling byte-budget paging for finer-grained Resource Control. Note: rebased onto upstream master where field 16 is now taken by max_keys_read (#1450), so paging_size_bytes was bumped from field 16 to field 17. Signed-off-by: JmPotato <github@ipotato.me> (cherry picked from commit a15c348) Signed-off-by: JmPotato <github@ipotato.me> --------- Signed-off-by: artem_danilov <artem.danilov@airbnb.com> Signed-off-by: JmPotato <github@ipotato.me> Co-authored-by: Artem Danilov <tema.danilov@gmail.com>
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Ref: pingcap/tidb#66925
spec: https://github.com/pingcap/tidb/blob/master/docs/design/2026-03-11-max-keys-read.md