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https://issues.apache.org/jira/browse/HDFS-13175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16409044#comment-16409044
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Yongjun Zhang edited comment on HDFS-13175 at 3/22/18 4:51 AM:
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Thanks for the work here [~eddyxu] and [~anu]. Saw
https://issues.apache.org/jira/browse/HDFS-13034?focusedCommentId=16331614&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16331614
wonder if it's related.
was (Author: yzhangal):
Thanks for the work here [~eddyxu]. Saw
https://issues.apache.org/jira/browse/HDFS-13034?focusedCommentId=16331614&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16331614
wonder if it's related.
> 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
> Priority: Minor
> Fix For: 3.1.0, 3.0.2
>
> Attachments: HDFS-13175.00.patch, HDFS-13175.01.patch
>
>
> 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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