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[DISCUSS] FLIP-168: Speculative execution for Batch Job

Hi everyone, I would like to kick off a discussion on speculative execution for batch job. I have created FLIP-168 [1] that clarifies our motivation to do this and some improvement proposals for the new design. It would be great to resolve the problem of long tail task in batch job. Please let

Help. Who can add permission in FLIP.

Hi，I want to write a FLIP in [confluence](https://cwiki.apache.org/confluence/display/FLINK/Flink+Improvement+Proposals).Who can help? Thx. My username is wangwj.My email is wangw...@sina.cn.