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Posted to issues@flink.apache.org by "melin (Jira)" <ji...@apache.org> on 2026/06/15 07:20:00 UTC

[jira] [Created] (FLINK-39937) Merge jobmanager and taskmanager into the same JVM

melin created FLINK-39937:
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             Summary: Merge jobmanager and taskmanager into the same JVM
                 Key: FLINK-39937
                 URL: https://issues.apache.org/jira/browse/FLINK-39937
             Project: Flink
          Issue Type: Improvement
          Components: API / Core
    Affects Versions: 2.4.0
            Reporter: melin


When using flink to synchronize data, such as reading data from MySQL and writing it into a Hive table, two resources (pods) are required: the jobmanager and the taskmanager. If the taskmanager value is 1, it is possible to combine the jobmanager and the taskmanager within the same JVM, requiring only one pod, which can save half of the cost.

[https://github.com/apache/spark/issues/56353]



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