Lei (Eddy) Xu created HDFS-13175:
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Summary: Add more information for checking argument in
DiskBalancerVolume
Key: HDFS-13175
URL: https://issues.apache.org/jira/browse/HDFS-13175
Project: Hadoop HDFS
Issue Type: Improvement
Components: diskbalancer
Affects Versions: 3.0.0
Reporter: Lei (Eddy) Xu
Assignee: Lei (Eddy) Xu
We have seen the following stack in production
{code
Exception in thread "main" java.lang.IllegalArgumentException
at
com.google.common.base.Preconditions.checkArgument(Preconditions.java:72)
at
org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume.setUsed(DiskBalancerVolume.java:268)
at
org.apache.hadoop.hdfs.server.diskbalancer.connectors.DBNameNodeConnector.getVolumeInfoFromStorageReports(DBNameNodeConnector.java:141)
at
org.apache.hadoop.hdfs.server.diskbalancer.connectors.DBNameNodeConnector.getNodes(DBNameNodeConnector.java:90)
at
org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerCluster.readClusterInfo(DiskBalancerCluster.java:132)
at
org.apache.hadoop.hdfs.server.diskbalancer.command.Command.readClusterInfo(Command.java:123)
at
org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(PlanCommand.java:107)
{code}
raised from
{code}
public void setUsed(long dfsUsedSpace) {
Preconditions.checkArgument(dfsUsedSpace < this.getCapacity());
this.used = dfsUsedSpace;
}
{code}
However, the datanode reports at the very moment were not captured. We should
add more information into the stack trace to better diagnose the issue.
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