twalthr commented on a change in pull request #9333: [FLINK-9782][e2e] Harden
bucketing sink e2e test.
URL: https://github.com/apache/flink/pull/9333#discussion_r310017538
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File path:
flink-end-to-end-tests/flink-bucketing-sink-test/src/main/java/org/apache/flink/streaming/tests/BucketingSinkTestProgram.java
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@@ -143,6 +147,7 @@ public void open(Configuration parameters) {
private final int durationMs;
private long ms = 0;
+ private volatile boolean canceled = false;
Review comment:
Is the volatile really necessary? I thought every task is single threaded?
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