pingcap / pingcap/tiflash

Select * from T where a in (x, y, z, ...) makes TiFlash OOM

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#7,721 0 comments 0 reactions 1 assignee View on GitHub

@JinheLin is already working on this.

Since Jun 29, 2023.

type/enhancement
Dominant language
C++
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Forks
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Avg merge
1d 15h
Merged PRs (30d)
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Description

Enhancement

Table T:

  • has 200 columns
  • most of them are varchar or decimal
  • has 100 list partitions.
  • 4 tiflash nodes, 10 TiB data, 6 000 000 000 rows

The result of the selection operator is only 300 rows.

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