Hi Paul, Referring to the Flink official documentation, it seems that this is not possible at this time.[1]
Someone has previously discussed the state of the savepoint in the dev mailing list. Perhaps this method can meet your needs after implementation. [2] Thanks, vino. [1]: https://ci.apache.org/projects/flink/flink-docs-release-1.6/ops/state/savepoints.html#faq [2]: http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Proposal-Utilities-for-reading-transforming-and-creating-Streaming-savepoints-td23843.html#a23859 Paul Lam <paullin3...@gmail.com> 于2018年9月18日周二 下午7:11写道: > Hi, > > I have a legacy stateful streaming job running in production, whose > operator ids are not set and were auto generated by Flink. And now I’m > planning to update the code and explicitly set operator ids for the job. > > Is it possible to keep the states of the job, since the operator ids would > change? Thanks a lot! > > Best, > Paul Lam