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Ran 18 Dec 2018 09:01AM UTC

Files 1019

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Committed 18 Dec 2018 09:01AM UTC coverage: 79.538% (+0.03%) from 79.506%

Job # 1372.1

Build Type

push

jenkins

Committed by ravipesala

Commit Message

[HOTFIX] Fixed Query performance issue

Problem
When some pages is giving 0 rows, then also BlockletScanResult is uncompressing all the pages. When compression is high and one blocklet contains more number of pages in this case page uncompression is taking more time and impacting query performance.

Solution
Added check if number of record after filtering is 0 then no need to uncompress that page

This closes #2985

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apache / carbondata / 1372 / 1
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