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Further Improvement of Read Thread and Data Sharing #6092

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JinheLin opened this issue Oct 10, 2022 · 1 comment · May be fixed by #9661
Closed
1 of 5 tasks

Further Improvement of Read Thread and Data Sharing #6092

JinheLin opened this issue Oct 10, 2022 · 1 comment · May be fixed by #9661
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type/enhancement The issue or PR belongs to an enhancement.

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JinheLin commented Oct 10, 2022 •
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Enhancement

  • Optimization of SegmentReadTaskPool::getTask #6097
    • Use std::unordered_map to index tasks by segment ID.
    • Still support in-order dequeue.
  • Feedback from SegmentReaders' task queue.
  • Optimization of SegmentReadTaskScheduler to improve data sharing.
  • Use a global data sharing cache for each DMFile for better memory managment.
  • Support data sharing in Delta.
@JinheLin JinheLin added the type/enhancement The issue or PR belongs to an enhancement. label Oct 10, 2022
@JinheLin JinheLin self-assigned this Oct 10, 2022
@JinheLin JinheLin mentioned this issue Oct 10, 2022
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ti-chi-bot pushed a commit that referenced this issue Oct 14, 2022
@JinheLin
Optimization of SegmentReadTaskPool::getTask (#6097)
ab8ff88 
ref #6092
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Duplicate with #6834

@Lloyd-Pottiger Lloyd-Pottiger mentioned this issue Nov 20, 2024
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Storages: enhance data sharing column cache Lloyd-Pottiger/tiflash
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