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https://issues.apache.org/jira/browse/HDFS-10305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15258603#comment-15258603
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Colin Patrick McCabe commented on HDFS-10305:
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bq. That's interesting then. hdfs dfs -mkdir /dirAlreadyExists returns a
non-zero return code. I assumed a non-zero error code == a failed operation.
Obviously I was wrong.
A non-zero error code on the shell does indicate a failed operation. You can
see that FsShell explicitly checks to see whether the path exists and exits
with an error code if so. The code is in
./hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/Mkdir.java
I don't think this has anything to do with what hdfs should put in the audit
log, since in this case, FsShell doesn't even call mkdir.
> Hdfs audit shouldn't log mkdir operaton if the directory already exists.
> ------------------------------------------------------------------------
>
> Key: HDFS-10305
> URL: https://issues.apache.org/jira/browse/HDFS-10305
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Rushabh S Shah
> Assignee: Rushabh S Shah
> Priority: Minor
>
> Currently Hdfs audit logs mkdir operation even if the directory already
> exists.
> This creates confusion while analyzing audit logs.
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