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https://issues.apache.org/jira/browse/HADOOP-1549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589850#action_12589850
]
Edward J. Yoon commented on HADOOP-1549:
----------------------------------------
{code}
org.apache.hadoop.dfs.TestDFSUpgradeFromImage.testUpgradeFromImage
org.apache.hadoop.dfs.TestDistributedUpgrade.testDistributedUpgrade
java.lang.OutOfMemoryError: Requested array size exceeds VM limit
at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:796)
at org.apache.hadoop.dfs.FSImage.loadFSImage(FSImage.java:711)
at org.apache.hadoop.dfs.FSImage.doUpgrade(FSImage.java:303)
at org.apache.hadoop.dfs.FSImage.recoverTransitionRead(FSImage.java:270)
at org.apache.hadoop.dfs.FSDirectory.loadFSImage(FSDirectory.java:81)
at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:274)
at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:255)
at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:133)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:782)
at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:162)
at
org.apache.hadoop.dfs.TestDFSUpgradeFromImage.testUpgradeFromImage(TestDFSUpgradeFromImage.java:185)
{code}
Upgrade test failed. Is problem related with UTF8 remove?
> All remaining UTF8 data structures in HDFS code should be removed
> -----------------------------------------------------------------
>
> Key: HADOOP-1549
> URL: https://issues.apache.org/jira/browse/HADOOP-1549
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Reporter: dhruba borthakur
> Assignee: Edward J. Yoon
> Fix For: 0.18.0
>
> Attachments: 1549.patch
>
>
> The UTF8 data structure is deprecated. HADOOP-1283 addressed part of the
> problem. All remaining UTF8 data structurs in HDFS should be removed.
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