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Add spilling support for HashJoin #12952

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comphead opened this issue Oct 15, 2024 · 2 comments
Open

Add spilling support for HashJoin #12952

comphead opened this issue Oct 15, 2024 · 2 comments
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enhancement New feature or request

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@comphead
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Is your feature request related to a problem or challenge?

It would be helpful to have spilling support for the HashJoin. If there is not enough memory on the machine the join can leverage local disk to spill intermittent results

For reference the spilling support for SortMergeJoin
#9359

Some ideas was also covered in
#1599

More reading also https://facebookincubator.github.io/velox/develop/spilling.html

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@comphead comphead added the enhancement New feature or request label Oct 15, 2024
@comphead
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@andygrove @viirya cc

@demetribu
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take

@demetribu demetribu removed their assignment Nov 22, 2024
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@comphead @demetribu