ORC-1264: [C++] Add a writer option to align compression block with row group #2005
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…ow group boundary
wgtmac
requested changes
Aug 21, 2024
wgtmac
reviewed
Aug 26, 2024
wgtmac
changed the title
Co-authored-by: Gang Wu <[email protected]>
Co-authored-by: Gang Wu <[email protected]>
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What changes were proposed in this pull request?
Add support for the ORC writer to ensure that the compression block is aligned with the row group boundary。
Why are the changes needed?
To reduce unnecessary I/O and decompression when PPD is in effect, we can enforce the compression block to be aligned with the row group boundary. For more detail, see link
How was this patch tested?
Uts in TestWriter.cc can convert this patch.
Was this patch authored or co-authored using generative AI tooling?
NO