schedule: scatter regions to stores with the same engine (#2531) #2706
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Signed-off-by: ti-srebot <[email protected]>
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@sticnarf please accept the invitation then you can push to the cherry-pick pull requests. |
lhy1024
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Aug 3, 2020
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/merge |
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/run-all-tests |
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cherry-pick #2531 to release-4.0
What problem does this PR solve?
Fixes #2485
What is changed and how it works?
This PR stores scattering information by engine in
engineContext. Then, we do scattering only within stores with the same engine. I think it should help tiflash scatter its regions.Check List
Tests
Side effects
Related changes
Release note
Support scattering regions in stores with special engines (like TiFlash).