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[fix](mtmv)fix mtmv task nereids cost too much time #37589
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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: 39970 ms
|
TPC-DS: Total hot run time: 174127 ms
|
ClickBench: Total hot run time: 31.69 s
|
morrySnow
reviewed
Jul 10, 2024
fe/fe-core/src/main/java/org/apache/doris/job/extensions/mtmv/MTMVTask.java
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run buildall |
TPC-H: Total hot run time: 39942 ms
|
TPC-DS: Total hot run time: 174737 ms
|
ClickBench: Total hot run time: 30.88 s
|
morrySnow
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seawinde
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cause: when mtmv task need refresh multi partition, will be split into multiple `insert overwrite` tasks,they use same `ConnectContext` and `StatementContext`,nereids time is calculated based on StatementContext, so multiple tasks will accumulate time fix: each `insert overwrite` tasks use unique `StatementContext`
yiguolei
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seawinde
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cause: when mtmv task need refresh multi partition, will be split into multiple `insert overwrite` tasks,they use same `ConnectContext` and `StatementContext`,nereids time is calculated based on StatementContext, so multiple tasks will accumulate time fix: each `insert overwrite` tasks use unique `StatementContext`
dataroaring
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Jul 17, 2024
cause: when mtmv task need refresh multi partition, will be split into multiple `insert overwrite` tasks,they use same `ConnectContext` and `StatementContext`,nereids time is calculated based on StatementContext, so multiple tasks will accumulate time fix: each `insert overwrite` tasks use unique `StatementContext`
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cause: when mtmv task need refresh multi partition, will be split into multiple
insert overwrite
tasks,they use sameConnectContext
andStatementContext
,nereids time is calculated based on StatementContext, so multiple tasks will accumulate timefix: each
insert overwrite
tasks use uniqueStatementContext