Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/934#discussion_r35635471
--- Diff:
flink-tests/src/test/java/org/apache/flink/test/misc/MiscellaneousIssuesITCase.java
---
@@ -174,4 +177,52 @@ public void flatMap(Long value, Collector<Long> out) {
fail(e.getMessage());
}
}
+
+ @Test
+ public void testOversizedAccumulatorsAtTaskManagers() {
+ try {
+
+ ExecutionEnvironment env =
+
ExecutionEnvironment.createRemoteEnvironment("localhost",
cluster.getJobManagerRPCPort());
+
+ int noOfParallelism = 5;
+ int longsPerTask = 1200000;
+
+ env.setParallelism(noOfParallelism);
+ env.getConfig().disableSysoutLogging();
+
+ DataSet<Long> bigEnough = env.generateSequence(1,
noOfParallelism * longsPerTask);
+ long theCount = bigEnough.collect().size();
+
+ assertEquals(noOfParallelism * longsPerTask, theCount);
--- End diff --
You could also check the values of the oversized accumulators here.
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