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[enhancement](nereids) speedup sql cache with variable #37090
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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run buildall |
TPC-H: Total hot run time: 40349 ms |
TPC-DS: Total hot run time: 173375 ms |
ClickBench: Total hot run time: 30.42 s |
morrySnow
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Jul 1, 2024
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/ComputeResultSet.java
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run buildall |
TPC-H: Total hot run time: 40160 ms |
TPC-DS: Total hot run time: 173458 ms |
ClickBench: Total hot run time: 30.62 s |
morrySnow
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Jul 2, 2024
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
starocean999
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Jul 2, 2024
924060929
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Jul 16, 2024
…on predicate (#37943) follow up #37090 support reuse sql cache when use variable as partition predicate and variable change: ```sql set @dt='2024-07-16'; -- create cache 1 select * from tbl where dt = @dt; set @dt='2024-07-17'; -- create cache 2, will not invalidate cache 1 select * from tbl where dt = @dt; set @dt='2024-07-16'; -- reuse cache 1 select * from tbl where dt = @dt; ```
dataroaring
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Jul 17, 2024
1. current sql cache will miss cache in fe and process by the fashion path cause low qps, when the variable is changed: ```sql select * from tbl where dt = @dt_var -- maybe range between 10 days ``` this pr support try to hit sql cache even the variable is changed. Before this optimize: one thread qps is 300. After this optimize: one thread qps is 3000. 2. refactor and use `ComputeResultSet` interface to return resultSet if fe can process
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Proposed changes
this pr support try to hit sql cache even the variable is changed.
Before this optimize: one thread qps is 300.
After this optimize: one thread qps is 3000.
ComputeResultSetinterface to return resultSet if fe can process