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support <engine_role, write> for disaggregated tiflash #6980

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guo-shaoge opened this issue Mar 7, 2023 · 1 comment · Fixed by #6970
Closed

support <engine_role, write> for disaggregated tiflash #6980

guo-shaoge opened this issue Mar 7, 2023 · 1 comment · Fixed by #6970
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type/enhancement The issue or PR belongs to an enhancement.

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@guo-shaoge
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guo-shaoge commented Mar 7, 2023

Enhancement

We want support non-disaggregated tiflash and disaggregated tiflash in one cluster.
So for disaggregated-tiflash, compute node should dispatch MPPTask to tiflash whose label contains <engine, tiflash> and <engine_role, write>.

And for non-disaggregated tiflash, cop task will send to tiflash whose label contains <engine, tiflash> but not contain <engine_role, write>.

@JaySon-Huang
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JaySon-Huang commented Mar 11, 2023

Changes for TiDB's
tidb-server pingcap/tidb#41978
client-go tikv/client-go#728

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