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https://issues.apache.org/jira/browse/FLINK-8234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16316060#comment-16316060
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ASF GitHub Bot commented on FLINK-8234:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/5184#discussion_r160110253
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobExecutionResult.java
---
@@ -0,0 +1,124 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.runtime.jobmaster;
+
+import org.apache.flink.api.common.JobID;
+import org.apache.flink.runtime.dispatcher.Dispatcher;
+import org.apache.flink.util.SerializedThrowable;
+import org.apache.flink.util.SerializedValue;
+
+import javax.annotation.Nullable;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Optional;
+
+import static java.util.Objects.requireNonNull;
+import static org.apache.flink.util.Preconditions.checkArgument;
+
+/**
+ * Similar to {@link org.apache.flink.api.common.JobExecutionResult} but
with an optional
+ * {@link SerializedThrowable} when the job failed.
+ *
+ * <p>This is used by the {@link JobMaster} to send the results to the
{@link Dispatcher}.
+ */
+public class JobExecutionResult {
--- End diff --
Could be made `Serializable` especially if the `JobMaster` should run in
the future on a different machine.
> Cache JobExecutionResult from finished JobManagerRunners
> --------------------------------------------------------
>
> Key: FLINK-8234
> URL: https://issues.apache.org/jira/browse/FLINK-8234
> Project: Flink
> Issue Type: Sub-task
> Components: Distributed Coordination
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: Gary Yao
> Priority: Blocker
> Labels: flip-6
> Fix For: 1.5.0
>
>
> In order to serve the {{JobExecutionResults}} we have to cache them in the
> {{Dispatcher}} after the {{JobManagerRunner}} has finished. The cache should
> have a configurable size and should periodically clean up stale entries in
> order to avoid memory exhaustion.
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