[Lake] Support lake tablet statistic collection #9460
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kevincai
previously approved these changes
Aug 2, 2022
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run starrocks_fe_unittest |
FE periodically collect lake tablet statistic, such as num rows and data size. Num rows statistic is used in CBO optimizer.
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kevincai
approved these changes
Aug 4, 2022
tracymacding
approved these changes
Aug 4, 2022
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run starrocks_admit_test |
sduzh
approved these changes
Aug 4, 2022
gengjun-git
approved these changes
Aug 4, 2022
amorynan
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to amorynan/starrocks
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Aug 5, 2022
1. FE periodically collect lake tablet statistic, such as num rows and data size. 2. Num rows statistic is used in CBO optimizer. 3. Data size statistic is used in show command, like show data.
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FE periodically collect lake tablet statistic, such as num rows and data size.
Num rows statistic is used in CBO optimizer.