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https://issues.apache.org/jira/browse/HDFS-11122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15652650#comment-15652650
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Takanobu Asanuma commented on HDFS-11122:
-----------------------------------------
Thanks for working on this, [~linyiqun].
{{MiniDFSCluster#corruptBlockOnDataNodes}} does not assure that the datanodes
recognize the corrupt block. I think it would be good to read the file to make
sure to call {{ClientProtocol#reportBadBlocks}} after creating the corrupt
block.
{code:java}
final int blockFilesCorrupted = miniCluster
.corruptBlockOnDataNodes(block);
assertEquals("Fail to corrupt all replicas for block " + block,
replFactor, blockFilesCorrupted);
try {
IOUtils.copyBytes(fs.open(file), new IOUtils.NullOutputStream(),
conf, true);
} catch (IOException ie) {
assertTrue(ie instanceof ChecksumException);
}
{code}
> TestDFSAdmin.testReportCommand fails due to timed out
> -----------------------------------------------------
>
> Key: HDFS-11122
> URL: https://issues.apache.org/jira/browse/HDFS-11122
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 3.0.0-alpha1
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Priority: Minor
> Attachments: HDFS-11122.001.patch, HDFS-11122.002.patch
>
>
> After HDFS-11083, the test {{TestDFSAdmi}} fails sometimes dueto timed out.
> The stack
> infos(https://builds.apache.org/job/PreCommit-HDFS-Build/17484/testReport/)：
> {code}
> java.lang.Exception: test timed out after 30000 milliseconds
> at java.lang.Thread.sleep(Native Method)
> at
> org.apache.hadoop.test.GenericTestUtils.waitFor(GenericTestUtils.java:268)
> at
> org.apache.hadoop.hdfs.tools.TestDFSAdmin.testReportCommand(TestDFSAdmin.java:540)
> {code}
> The timed out is happened in {{GenericTestUtils.waitFor}}. We can make a
> improvement in the logic of waiting the corrupt blocks.
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