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[Optimize](Variant) optimize schema update performance (#45480) #45731

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eldenmoon merged 1 commit into from
Dec 21, 2024
Merged

[Optimize](Variant) optimize schema update performance (#45480) #45731

eldenmoon merged 1 commit into from
Dec 21, 2024

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@eldenmoon eldenmoon commented Dec 20, 2024

(#45480)

@eldenmoon
[Optimize](Variant) optimize schema update performance (apache#45480)
85563b7 
When update schema with high concurrency, updaing schemas cost is
expensive.
1. update schema only when rows is not 0
2. copy_from is expensive, use copy constructor
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Thearas commented Dec 20, 2024

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

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eldenmoon commented Dec 20, 2024

run buildall

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doris-robot commented Dec 20, 2024

TeamCity be ut coverage result:
Function Coverage: 36.46% (9569/26245)
Line Coverage: 27.91% (78637/281724)
Region Coverage: 26.58% (40363/151838)
Branch Coverage: 23.34% (20442/87588)
Coverage Report: http://coverage.selectdb-in.cc/coverage/85563b765c434800553fea442eef318fb5772d28_85563b765c434800553fea442eef318fb5772d28/report/index.html

@eldenmoon eldenmoon merged commit 39c69c7 into apache:branch-2.1 Dec 21, 2024
18 of 20 checks passed
@yiguolei yiguolei mentioned this pull request Jan 19, 2025
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3 participants

@eldenmoon @Thearas @doris-robot