backup: fix retry of fine-grained backup (#43252) #43487
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Signed-off-by: hillium <yujuncen@pingcap.com>
Signed-off-by: hillium <yujuncen@pingcap.com>
Signed-off-by: hillium <yujuncen@pingcap.com>
Signed-off-by: hillium <yujuncen@pingcap.com>
Signed-off-by: hillium <yujuncen@pingcap.com>
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This is an automated cherry-pick of #43252
What problem does this PR solve?
Issue Number: close #43236
Problem Summary:
We are using the
tikv.Backofferto implement retry. Which isn't so customizable hence we cannot fully control the printed error messages and back off duration.What is changed and how it works?
This PR added a new structure
RetryWithBackofferto adapt the retry logic with the TiDB backoffer logic, at the same time it has enhanced the error message.This PR will also increase the max retry time of fine-grained backup. The reason is simple: given it begins the fine-grained backup, there must be some problems in the cluster. We need to be more patient.
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