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Posted to dev@flink.apache.org by "Yu Li (JIRA)" <ji...@apache.org> on 2019/05/31 04:48:00 UTC

[jira] [Created] (FLINK-12688) Make serializer lazy initialization thread safe in StateDescriptor

Yu Li created FLINK-12688:
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             Summary: Make serializer lazy initialization thread safe in StateDescriptor
                 Key: FLINK-12688
                 URL: https://issues.apache.org/jira/browse/FLINK-12688
             Project: Flink
          Issue Type: Improvement
          Components: API / DataStream, API / Type Serialization System
    Affects Versions: 1.8.0, 1.7.2, 1.6.4
            Reporter: Yu Li
            Assignee: Yu Li
             Fix For: 1.9.0, 1.8.1


As per [discussed|https://issues.apache.org/jira/browse/FLINK-11987?focusedCommentId=16832335&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16832335] in FLINK-11987, this JIRA aims at resolving the issue of {{StateDescriptor#initializeSerializerUnlessSet}} under race condition. More specified, we will assure no NPE thrown as well as the singleton of {{serializer}} when invoking {{initializeSerializerUnlessSet}} in parallel.



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