Github user sachingoel0101 commented on a diff in the pull request:
https://github.com/apache/flink/pull/1386#discussion_r46775517
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/operators/BatchTask.java
---
@@ -1150,8 +1149,8 @@ else if (index < 0 || index >=
this.driver.getNumberOfDriverComparators()) {
* @return The string for logging.
*/
public static String constructLogString(String message, String
taskName, AbstractInvokable parent) {
- return message + ": " + taskName + " (" +
(parent.getEnvironment().getIndexInSubtaskGroup() + 1) +
- '/' +
parent.getEnvironment().getNumberOfSubtasks() + ')';
+ return message + ": " + taskName + " (" +
(parent.getEnvironment().getTaskInfo().getIndexOfThisSubtask() + 1) +
--- End diff --
That can lead to problems in handling of Chained Tasks. For those, the name
of chained task, but the index and parallelism of parent is used.
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