zhuzhurk commented on a change in pull request #11873:
URL: https://github.com/apache/flink/pull/11873#discussion_r471221474
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionAttemptID.java
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@@ -18,33 +18,77 @@
package org.apache.flink.runtime.executiongraph;
-import org.apache.flink.util.AbstractID;
+import org.apache.flink.annotation.VisibleForTesting;
+import org.apache.flink.runtime.scheduler.strategy.ExecutionVertexID;
import org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf;
+import org.apache.flink.util.Preconditions;
/**
* Unique identifier for the attempt to execute a tasks. Multiple attempts
happen
* in cases of failures and recovery.
*/
-public class ExecutionAttemptID extends AbstractID {
+public class ExecutionAttemptID implements java.io.Serializable {
private static final long serialVersionUID = -1169683445778281344L;
+ private final ExecutionVertexID executionVertexID;
+ private final int attemptNumber;
+
+ /**
+ * Get a random execution attempt id.
+ */
public ExecutionAttemptID() {
Review comment:
Makes sense.
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