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https://issues.apache.org/jira/browse/FLINK-8802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16398258#comment-16398258
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ASF GitHub Bot commented on FLINK-8802:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/5691#discussion_r174381475
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/query/KvStateRegistry.java
---
@@ -136,13 +138,13 @@ public void unregisterKvState(
}
/**
- * Returns the KvState instance identified by the given KvStateID or
- * <code>null</code> if none is registered.
+ * Returns the KvState instance identified by the given KvStateID along
with
--- End diff --
would rephrase to `KvStateEntry` containing the `KvState`
> Concurrent serialization without duplicating serializers in state server.
> -------------------------------------------------------------------------
>
> Key: FLINK-8802
> URL: https://issues.apache.org/jira/browse/FLINK-8802
> Project: Flink
> Issue Type: Bug
> Components: Queryable State
> Affects Versions: 1.5.0
> Reporter: Kostas Kloudas
> Assignee: Kostas Kloudas
> Priority: Blocker
> Fix For: 1.5.0
>
>
> The `getSerializedValue()` may be called by multiple threads but serializers
> are not duplicated, which may lead to exceptions thrown when a serializer is
> stateful.
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