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HDFS-17605. Reduce memory overhead of TestBPOfferService #6996

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Merged
merged 1 commit into from
Aug 19, 2024
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HDFS-17605. Reduce memory overhead of TestBPOfferService #6996

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5 changes: 3 additions & 2 deletions .../hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBPOfferService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -144,8 +144,9 @@ public void setupMocks() throws Exception {
mockNN2 = setupNNMock(1);

// Set up a mock DN with the bare-bones configuration
// objects, etc.
mockDn = Mockito.mock(DataNode.class);
// objects, etc. Set as stubOnly to save memory and avoid Mockito holding
// references to each invocation. This can cause OOM in some runs.
mockDn = Mockito.mock(DataNode.class, Mockito.withSettings().stubOnly());
Mockito.doReturn(true).when(mockDn).shouldRun();
Configuration conf = new Configuration();
File dnDataDir = new File(new File(TEST_BUILD_DATA, "dfs"), "data");
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