[fix](csv-reader) fix new csv reader's performance issue#15581
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yiguolei merged 3 commits intoapache:masterfrom Jan 4, 2023
Merged
[fix](csv-reader) fix new csv reader's performance issue#15581yiguolei merged 3 commits intoapache:masterfrom
yiguolei merged 3 commits intoapache:masterfrom
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clang-tidy review says "All clean, LGTM! 👍" |
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TeamCity pipeline, clickbench performance test result: |
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clang-tidy review says "All clean, LGTM! 👍" |
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clang-tidy review says "All clean, LGTM! 👍" |
morningman
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morningman
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clang-tidy review says "All clean, LGTM! 👍" |
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…che#1342) commit 4075e3a Author: Mingyu Chen <morningman@163.com> Date: Wed Jan 4 18:25:08 2023 +0800 [fix](csv-reader) fix new csv reader's performance issue (apache#15581)
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Proposed changes
Issue Number: close #xxx
Problem summary
#14604 fix the bug but introduce a performance issue.
This PR fix the performance issue when loading csv.
For clickbench load time, from 600s -> 470s
TODO:
Still slower than origin broker scan node, which is about 420s.
Will improve later.
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If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...