[Data] Avoid unnecessary copying of blocks#56569
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alexeykudinkin merged 4 commits intoray-project:masterfrom Sep 17, 2025
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[Data] Avoid unnecessary copying of blocks#56569alexeykudinkin merged 4 commits intoray-project:masterfrom
alexeykudinkin merged 4 commits intoray-project:masterfrom
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| # block and M is the number of blocks that will be produced by | ||
| # this iterator | ||
| block = accessor.slice(0, target_num_rows, copy=True) | ||
| block = accessor.slice(0, target_num_rows, copy=False) |
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can i get more context on this? when should copy be True vs False now (the old comments u deleted don't make sense to me)? I see there are still some more copies in the code that weren't changed
| batch_size=int(1024 * 10.125), | ||
| num_batches=1, | ||
| expected_num_blocks=11, | ||
| expected_num_blocks=10, |
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wait, shouldn't this suggest a behavioral change of the block batching?
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No, this PR is stacked
Signed-off-by: Alexey Kudinkin <ak@anyscale.com>
Signed-off-by: Alexey Kudinkin <ak@anyscale.com>
Signed-off-by: Alexey Kudinkin <ak@anyscale.com>
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Why are these changes needed?
These were introduced before current serialization protocol inheriting from Arrow IPC was implemented therefore making this precautionary copies obsolete (IPC based serializer will actually do the copying properly).
Related issue number
Checks
git commit -s) in this PR.scripts/format.shto lint the changes in this PR.method in Tune, I've added it in
doc/source/tune/api/under thecorresponding
.rstfile.