KeeProMise commented on code in PR #6622:
URL: https://github.com/apache/hadoop/pull/6622#discussion_r1521225842
##########
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestMerger.java:
##########
@@ -229,6 +232,14 @@ public void testInMemoryAndOnDiskMerger() throws Throwable
{
Assert.assertEquals(0, mergeManager.inMemoryMapOutputs.size());
Assert.assertEquals(0, mergeManager.inMemoryMergedMapOutputs.size());
Assert.assertEquals(0, mergeManager.onDiskMapOutputs.size());
+
+ jobConf.set("mapreduce.task.io.sort.factor", "1");
+ thrown.expectMessage("Invalid value for mapreduce.task.io.sort.factor: 1,"
+
+ " please set it to a number greater than 1");
+ thrown.expect(IllegalArgumentException.class);
+ new MergeManagerImpl<Text, Text>(reduceId2, jobConf, fs, lda,
Reporter.NULL, null,
+ null, null, null, null,
+ null, null, new Progress(), new MROutputFiles());
Review Comment:
done
##########
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestMerger.java:
##########
@@ -229,6 +232,14 @@ public void testInMemoryAndOnDiskMerger() throws Throwable
{
Assert.assertEquals(0, mergeManager.inMemoryMapOutputs.size());
Assert.assertEquals(0, mergeManager.inMemoryMergedMapOutputs.size());
Assert.assertEquals(0, mergeManager.onDiskMapOutputs.size());
+
+ jobConf.set("mapreduce.task.io.sort.factor", "1");
Review Comment:
done
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