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[pixels-executor] improving filtering performance, especially on string columns. #391

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bianhq opened this issue Feb 12, 2023 · 1 comment
Open

[pixels-executor] improving filtering performance, especially on string columns. #391

bianhq opened this issue Feb 12, 2023 · 1 comment
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enhancement New feature or request
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General Performance

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bianhq commented Feb 12, 2023 •
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Currently, filtering on string columns is much slower than that in Presto and Trino.
@bianhq bianhq added the enhancement New feature or request label Feb 12, 2023
@bianhq bianhq self-assigned this Feb 12, 2023
@bianhq bianhq added this to the General Performance milestone Feb 18, 2023
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bianhq commented Jul 13, 2023

Filters should be pushed down into the column readers so that for dictionary-encoded string columns, we can filter before decoding.

bianhq added a commit that referenced this issue Jul 15, 2023
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[Issue #391] minor changes. (#497)
48d7c4e 
Using mvn install instead of mvn package in install.sh.
Fix exception print in vHive invoker.
@bianhq bianhq changed the title [pixels-executor]: improving filtering performance, especially on string columns. [pixels-executor] improving filtering performance, especially on string columns. Nov 2, 2024
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