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Reduced redundant operators #3162

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disksing opened this issue Nov 6, 2020 · 0 comments
Open

Reduced redundant operators #3162

disksing opened this issue Nov 6, 2020 · 0 comments
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component/schedule Scheduling logic. status/discussion-wanted The issue needs to be discussed. type/enhancement The issue or PR belongs to an enhancement.

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@disksing
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disksing commented Nov 6, 2020

Sometimes at the same time there are operators like A->B, B->C, A->C where one of A->B and B->C should be eliminated otherwise some redundant operators will be created.

For example, we have 3 stores with data size of (100G, 80G, 20G), the balance-region-scheduler will create 3 types of operators to transfer region: 100G->20G, 100G->80G, 80G->20G, the second one is redundant.

This can happen across multiple schedulers too.
@disksing disksing added type/enhancement The issue or PR belongs to an enhancement. status/discussion-wanted The issue needs to be discussed. component/schedule Scheduling logic. labels Nov 6, 2020
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component/schedule Scheduling logic. status/discussion-wanted The issue needs to be discussed. type/enhancement The issue or PR belongs to an enhancement.
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