feat concurrent chunk data #1398
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shaohk
requested review from
rashiq,
meiji163 and
timvaillancourt
as code owners
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MySQL insert ... select ... does not permit concurrent. |
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When the unique index used for copying blocks includes an auto-increment column, concurrency is blocked on the auto-inc lock. If the unique index used does not include an auto-increment column, concurrency can proceed. |
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May I ask when this feature will be reflected in the new version |
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Description
This PR Supports concurrent copying of chunk blocks during each time slice of copying the existing data.
script/cibuildreturns with no formatting errors, build errors or unit test errors.