[jira] [Assigned] (FLINK-28131) FLIP-168: Speculative Execution for Batch Job

["Zhu Zhu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-28131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhu Zhu reassigned FLINK-28131:
-------------------------------

    Assignee: Zhu Zhu

> FLIP-168: Speculative Execution for Batch Job
> ---------------------------------------------
>
>                 Key: FLINK-28131
>                 URL: https://issues.apache.org/jira/browse/FLINK-28131
>             Project: Flink
>          Issue Type: New Feature
>          Components: Runtime / Coordination
>            Reporter: Zhu Zhu
>            Assignee: Zhu Zhu
>            Priority: Major
>             Fix For: 1.16.0
>
>
> Speculative executions is helpful to mitigate slow tasks caused by problematic nodes. The basic idea is to start mirror tasks on other nodes when a slow task is detected. The mirror task processes the same input data and produces the same data as the original task. 
> More detailed can be found in [FLIP-168|[https://cwiki.apache.org/confluence/display/FLINK/FLIP-168%3A+Speculative+Execution+for+Batch+Job].]
>  
> This is the umbrella ticket to track all the changes of this feature.



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