[Fix](Job)Concurrency may result in event loss#29385
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JNSimba merged 1 commit intoapache:masterfrom Jan 2, 2024
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TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G', run with scripts in https://github.com/apache/doris/tree/master/tools/tpch-tools |
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TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G', run with scripts in https://github.com/apache/doris/tree/master/tools/tpch-tools |
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Proposed changes
Our previous internal scheduling was single-threaded, without concurrency, so we adopted the single-producer mode, but later provided an external trigger method. At this time, concurrency would occasionally occur, resulting in message loss. Now we have switched to multi-producer, which is used by the bottom layer CAS controls concurrency
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If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...