Github user zzcclp commented on the pull request: https://github.com/apache/spark/pull/4805#issuecomment-100741128 Hi @jerryshao , current spark version is not built-in support for upgrade and accumulators when recovering from checkpoint, so I want to add kafka offset to zk, and read offset from zk when restarting or recovering, but not checkpoint. Recovering from checkpoint has a lot of limitations at current version.
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