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https://issues.apache.org/jira/browse/HDFS-16935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17693434#comment-17693434
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ASF GitHub Bot commented on HDFS-16935:
---------------------------------------
virajjasani commented on code in PR #5432:
URL: https://github.com/apache/hadoop/pull/5432#discussion_r1117881428
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java:
##########
@@ -1101,15 +1099,12 @@ public void testReportBadBlocks() throws Exception {
block = DFSTestUtil.getFirstBlock(fs, filePath);
// Test for the overloaded method reportBadBlocks
- dataNode.reportBadBlocks(block, dataNode.getFSDataset()
- .getFsVolumeReferences().get(0));
- Thread.sleep(3000);
- BlockManagerTestUtil.updateState(cluster.getNamesystem()
- .getBlockManager());
- // Verify the bad block has been reported to namenode
- Assert.assertEquals(1,
cluster.getNamesystem().getCorruptReplicaBlocks());
- } finally {
- cluster.shutdown();
+ dataNode.reportBadBlocks(block,
dataNode.getFSDataset().getFsVolumeReferences().get(0));
+ GenericTestUtils.waitFor(() -> {
+
BlockManagerTestUtil.updateState(cluster.getNamesystem().getBlockManager());
+ // Verify the bad block has been reported to namenode
+ return 1 == cluster.getNamesystem().getCorruptReplicaBlocks();
+ }, 100, 10000, "Corrupted replica blocks could not be found");
Review Comment:
Oh that should be a better option actually
> TestFsDatasetImpl.testReportBadBlocks brittle
> ---------------------------------------------
>
> Key: HDFS-16935
> URL: https://issues.apache.org/jira/browse/HDFS-16935
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.4.0, 3.3.5, 3.3.9
> Reporter: Steve Loughran
> Assignee: Viraj Jasani
> Priority: Minor
> Labels: pull-request-available
>
> jenkins failure as sleep() time not long enough
> {code}
> Failing for the past 1 build (Since #4 )
> Took 7.4 sec.
> Error Message
> expected:<1> but was:<0>
> Stacktrace
> java.lang.AssertionError: expected:<1> but was:<0>
> at org.junit.Assert.fail(Assert.java:89)
> at org.junit.Assert.failNotEquals(Assert.java:835)
> at org.junit.Assert.assertEquals(Assert.java:647)
> at org.junit.Assert.assertEquals(Assert.java:633)
> {code}
> assert is after a 3s sleep waiting for reports coming in.
> {code}
> dataNode.reportBadBlocks(block, dataNode.getFSDataset()
> .getFsVolumeReferences().get(0));
> Thread.sleep(3000); // 3s
> sleep
> BlockManagerTestUtil.updateState(cluster.getNamesystem()
> .getBlockManager());
> // Verify the bad block has been reported to namenode
> Assert.assertEquals(1,
> cluster.getNamesystem().getCorruptReplicaBlocks()); // here
> {code}
> LambdaTestUtils.eventually() should be used around this assert, maybe with an
> even shorter initial delay so on faster systems, test is faster.
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