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Posted to hdfs-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/02/07 20:18:57 UTC
[jira] Created: (HDFS-1613) NPE running NNThroughputBenchmark
NPE running NNThroughputBenchmark
---------------------------------
Key: HDFS-1613
URL: https://issues.apache.org/jira/browse/HDFS-1613
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Todd Lipcon
After the NNThroughputBenchmark completes, I see the following NPEs on the console:
java.lang.NullPointerException
at org.apache.hadoop.hdfs.server.namenode.BlocksMap.size(BlocksMap.java:178)
at org.apache.hadoop.hdfs.server.namenode.BlockManager.getTotalBlocks(BlockManager.java:1538)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlocksTotal(FSNamesystem.java:4201)
at org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics.doUpdates(FSNamesystemMetrics.java:109)
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[jira] Commented: (HDFS-1613) NPE running NNThroughputBenchmark
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-1613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12991530#comment-12991530 ]
Konstantin Shvachko commented on HDFS-1613:
-------------------------------------------
What options do you run it with?
> NPE running NNThroughputBenchmark
> ---------------------------------
>
> Key: HDFS-1613
> URL: https://issues.apache.org/jira/browse/HDFS-1613
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Todd Lipcon
>
> After the NNThroughputBenchmark completes, I see the following NPEs on the console:
> java.lang.NullPointerException
> at org.apache.hadoop.hdfs.server.namenode.BlocksMap.size(BlocksMap.java:178)
> at org.apache.hadoop.hdfs.server.namenode.BlockManager.getTotalBlocks(BlockManager.java:1538)
> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlocksTotal(FSNamesystem.java:4201)
> at org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics.doUpdates(FSNamesystemMetrics.java:109)
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[jira] Commented: (HDFS-1613) NPE running NNThroughputBenchmark
Posted by "Todd Lipcon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-1613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12991557#comment-12991557 ]
Todd Lipcon commented on HDFS-1613:
-----------------------------------
HADOOP_OPTS="-Xmx2g" HADOOP_CLASSPATH=/home/todd/git/hadoop-hdfs/build/:/home/todd/git/hadoop-hdfs/build/hadoop-hdfs-test-0.23.0-SNAPSHOT.jar ./bin/hadoop org.apache.hadoop.hdfs.server.namenode.NNThroughputBenchmark -op create -threads 10000 -files 100000
> NPE running NNThroughputBenchmark
> ---------------------------------
>
> Key: HDFS-1613
> URL: https://issues.apache.org/jira/browse/HDFS-1613
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Todd Lipcon
>
> After the NNThroughputBenchmark completes, I see the following NPEs on the console:
> java.lang.NullPointerException
> at org.apache.hadoop.hdfs.server.namenode.BlocksMap.size(BlocksMap.java:178)
> at org.apache.hadoop.hdfs.server.namenode.BlockManager.getTotalBlocks(BlockManager.java:1538)
> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlocksTotal(FSNamesystem.java:4201)
> at org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics.doUpdates(FSNamesystemMetrics.java:109)
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