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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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fuchaohong updated HDFS-17456:
------------------------------
Description:
In our production env, we found that 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, after the datanode received the append request,
the calculation of dfsused was incorrect when adding FinalizedBlock. The
following is the dfsused after each append of 100
|*Now*|*Expect*|
|0|0|
|100|100|
|300|200|
|600|300|
> Fix the dfsused statistics of datanode are incorrect 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
> Priority: Major
>
> In our production env, we found that 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, after the datanode received the
> append request, the calculation of dfsused was incorrect when adding
> FinalizedBlock. The following is the dfsused after each append of 100
> |*Now*|*Expect*|
> |0|0|
> |100|100|
> |300|200|
> |600|300|
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