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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9887) Ensure serializer upgrades work with timer service remake
Date Thu, 02 Aug 2018 09:48:01 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16566550#comment-16566550
] 

ASF GitHub Bot commented on FLINK-9887:
---------------------------------------

tzulitai commented on a change in pull request #6467: [FLINK-9887] Ensure serializer upgrades
work with timer service remake
URL: https://github.com/apache/flink/pull/6467#discussion_r207161334
 
 

 ##########
 File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/TimerSerializer.java
 ##########
 @@ -208,8 +215,35 @@ public TypeSerializerConfigSnapshot snapshotConfiguration() {
 	@Override
 	public CompatibilityResult<TimerHeapInternalTimer<K, N>> ensureCompatibility(
 		TypeSerializerConfigSnapshot configSnapshot) {
-		//TODO this is just a mock (assuming no serializer updates) for now and needs a proper
implementation! change this before release.
-		return CompatibilityResult.compatible();
+
+		if (configSnapshot instanceof CompositeTypeSerializerConfigSnapshot) {
 
 Review comment:
   should this actually be `configSnapshot instanceof TimerSerializerConfigSnapshot`?

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> Ensure serializer upgrades work with timer service remake
> ---------------------------------------------------------
>
>                 Key: FLINK-9887
>                 URL: https://issues.apache.org/jira/browse/FLINK-9887
>             Project: Flink
>          Issue Type: Sub-task
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.6.0
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 1.6.0
>
>




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