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https://issues.apache.org/jira/browse/HDFS-10810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15488777#comment-15488777
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Tsz Wo Nicholas Sze commented on HDFS-10810:
--------------------------------------------
When I ran the new test testSetReplicationWhenBatchIBR without the fix,
everything passed except that it failed at the last line
TestFileCorruption.java:257 since getUnderReplicatedBlocksCount() returned 0.
{code}
//TestFileCorruption.java:257
assertEquals(1, cluster.getNamesystem().getBlockManager()
.getUnderReplicatedBlocksCount());
{code}
{code}
Running org.apache.hadoop.hdfs.TestFileCorruption
Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 25.805 sec <<<
FAILURE! - in org.apache.hadoop.hdfs.TestFileCorruption
testSetReplicationWhenBatchIBR(org.apache.hadoop.hdfs.TestFileCorruption) Time
elapsed: 9.012 sec <<< FAILURE!
java.lang.AssertionError: expected:<1> but was:<0>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:743)
at org.junit.Assert.assertEquals(Assert.java:118)
at org.junit.Assert.assertEquals(Assert.java:555)
at org.junit.Assert.assertEquals(Assert.java:542)
at
org.apache.hadoop.hdfs.TestFileCorruption.testSetReplicationWhenBatchIBR(TestFileCorruption.java:257)
{code}
So it seems that everything works fine (or the unit test cannot show the bug)?
> Setreplication removing block from underconstrcution temporarily when batch
> IBR is enabled.
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-10810
> URL: https://issues.apache.org/jira/browse/HDFS-10810
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HDFS-10810-002.patch, HDFS-10810-003.patch,
> HDFS-10810.patch
>
>
> 1)Batch IBR is enabled with number of committed blocks allowed=1
> 2) Written one block and closed the file without waiting for IBR
> 3)Setreplication called immediately on the file.
> SO till the finalized IBR Received, this block will be marked as corrupt.
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