branch-3.0: [Optimize](Variant) optimize schema update performance #45480#45730
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eldenmoon merged 2 commits intobranch-3.0from Dec 23, 2024
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branch-3.0: [Optimize](Variant) optimize schema update performance #45480#45730eldenmoon merged 2 commits intobranch-3.0from
eldenmoon merged 2 commits intobranch-3.0from
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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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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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run buildall |
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run buildall |
TPC-H: Total hot run time: 40443 ms |
TPC-DS: Total hot run time: 195053 ms |
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Cherry-picked from #45480