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https://issues.apache.org/jira/browse/HDFS-17456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoqiao He resolved HDFS-17456.
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Fix Version/s: 3.5.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Fix the incorrect dfsused statistics of datanode when appending a file.
> -----------------------------------------------------------------------
>
> Key: HDFS-17456
> URL: https://issues.apache.org/jira/browse/HDFS-17456
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 3.3.3
> Reporter: fuchaohong
> Assignee: fuchaohong
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> In our production env, the namenode page showed that the datanode space had
> been used up, but the actual datanode machine still had a lot of free space.
> After troubleshooting, the dfsused statistics of datanode are incorrect when
> appending a file. The following is the dfsused after each append of 100.
> |*Error*|*Expect*|
> |0|0|
> |100|100|
> |300|200|
> |600|300|
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