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Posted to dev@flink.apache.org by "shuai.xu (JIRA)" <ji...@apache.org> on 2018/12/04 03:58:00 UTC

[jira] [Created] (FLINK-11059) JobMaster may continue using an invalid slot if releasing idle slot meet a timeout

shuai.xu created FLINK-11059:
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             Summary: JobMaster may continue using an invalid slot if releasing idle slot meet a timeout
                 Key: FLINK-11059
                 URL: https://issues.apache.org/jira/browse/FLINK-11059
             Project: Flink
          Issue Type: Bug
          Components: Cluster Management
    Affects Versions: 1.7.0
            Reporter: shuai.xu
            Assignee: shuai.xu


When job master releases an idle slot to task executor, it may meet a timeout exception which cause that task executor may have already released the slot, but job master will add the slot back to available slots, and the slot may be used again. Then job master will continue deploying task to the slot, but task executor does not recognize it.



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