Zhu Zhu created FLINK-28131: ------------------------------- Summary: 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 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. -- This message was sent by Atlassian Jira (v8.20.7#820007)