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Add a way to set TiFlash's spill threshold by sql statement #42308

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windtalker opened this issue Mar 16, 2023 · 0 comments · Fixed by #42309
Closed

Add a way to set TiFlash's spill threshold by sql statement #42308

windtalker opened this issue Mar 16, 2023 · 0 comments · Fixed by #42309
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type/enhancement The issue or PR belongs to an enhancement.

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@windtalker
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Enhancement

After pingcap/tiflash#6528, some TiFlash executor can spill to disk if the memory usage exceeds the threshold, however, the memory usage threshold can only be changed by TiFlash's configure file, which is not easy to use, we'd better add a way to set TiFlash's spill threshold by sql statement.
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