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[fix](Nereids) remove db readlock before get table from db (#38660) #38730
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) pick from master apache#38660 insert will hold readlock of target table before planning. if nereids need db readlock after it, will lead to dead lock. because other statement need to hold db lock before get table lock for example: insert: target table read lock -> database read lock drop table: database write lock -> target table write lock
Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
run buildall |
TPC-H: Total hot run time: 49771 ms
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TPC-DS: Total hot run time: 204076 ms
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ClickBench: Total hot run time: 30.89 s
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Load test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
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pick from master #38660
insert will hold readlock of target table before planning. if nereids need db readlock after it, will lead to dead lock. because other statement need to hold db lock before get table lock
for example:
insert: target table read lock -> database read lock
drop table: database write lock -> target table write lock