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https://issues.apache.org/jira/browse/HDFS-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15089277#comment-15089277
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Kihwal Lee commented on HDFS-9574:
----------------------------------
The failed test cases all pass when run locally.
{noformat}
-------------------------------------------------------
T E S T S
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=768m;
support was removed in 8.0
Running org.apache.hadoop.hdfs.server.datanode.TestBlockScanner
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 55.947 sec -
in org.apache.hadoop.hdfs.server.datanode.TestBlockScanner
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=768m;
support was removed in 8.0
Running org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 32 sec - in
org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=768m;
support was removed in 8.0
Running org.apache.hadoop.hdfs.server.namenode.TestFsck
Tests run: 25, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 135.155 sec -
in org.apache.hadoop.hdfs.server.namenode.TestFsck
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=768m;
support was removed in 8.0
Running org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.697 sec - in
org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=768m;
support was removed in 8.0
Running
org.apache.hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 62.252 sec
- in org.apache.hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=768m;
support was removed in 8.0
Running org.apache.hadoop.hdfs.TestSafeMode
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 46.149 sec - in
org.apache.hadoop.hdfs.TestSafeMode
Results :
Tests run: 59, Failures: 0, Errors: 0, Skipped: 0
{noformat}
The whitespace warning is from the context, not my change. Nothing to be done
for the checkstyle warnings.
> 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, HDFS-9574.v2.patch, HDFS-9574.v3.patch
>
>
> Since DataXceiverServer is initialized before BP is fully up, client requests
> will fail until the datanode registers.
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