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https://issues.apache.org/jira/browse/HDFS-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15064026#comment-15064026
]
Kihwal Lee commented on HDFS-9574:
----------------------------------
All failed test cases pass when run locally, except this one.
{noformat}
Running org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint
Tests run: 3, Failures: 0, Errors: 3, Skipped: 0, Time elapsed: 48.968 sec <<<
FAILURE!
- in org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint
testWithRemoteClient(org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint)
Time elapsed: 16.784 sec <<< ERROR!
java.io.IOException: Not ready to serve the block pool, Dummy-pool.
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.checkAndWaitForBP(DataXceiver.java:218)
at
org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint.issueWriteBlockCall(TestDataXceiverLazyPersistHint.java:118)
at
org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint.testWithRemoteClient(TestDataXceiverLazyPersistHint.java:90)
testOverrideWithRemoteClient(org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint)
Time elapsed: 16.047 sec <<< ERROR!
java.io.IOException: Not ready to serve the block pool, Dummy-pool.
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.checkAndWaitForBP(DataXceiver.java:218)
at
org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint.issueWriteBlockCall(TestDataXceiverLazyPersistHint.java:118)
at
org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint.testOverrideWithRemoteClient(TestDataXceiverLazyPersistHint.java:107)
testWithLocalClient(org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint)
Time elapsed: 16.049 sec <<< ERROR!
java.io.IOException: Not ready to serve the block pool, Dummy-pool.
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.checkAndWaitForBP(DataXceiver.java:218)
at
org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint.issueWriteBlockCall(TestDataXceiverLazyPersistHint.java:118)
at
org.apache.hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint.testWithLocalClient(TestDataXceiverLazyPersistHint.java:75)
{noformat}
> Reduce client failures during datanode restart
> ----------------------------------------------
>
> Key: HDFS-9574
> URL: https://issues.apache.org/jira/browse/HDFS-9574
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Attachments: HDFS-9574.patch
>
>
> Since DataXceiverServer is initialized before BP is fully up, client requests
> will fail until the datanode registers.
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