metric, tikv: record duration for each backoff type (#11710)#11728
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/run-all-tests |
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LGTM |
tiancaiamao
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cherry-pick #11710 to release-3.0
What problem does this PR solve?
current "KV Errors" - "KV Retry Duration" metrics in grafana only record coprocessor's backoff time.
that miss:
it also miss the fine-gain time for each backoff-type
What is changed and how it works?
Check List
Tests
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This change is