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https://issues.apache.org/jira/browse/HDFS-15259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17075147#comment-17075147
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Yang Yun commented on HDFS-15259:
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Thanks [~csun] for the review.
Yes, it looks break many things.:(
> Reduce useless log information in FSNamesystemAuditLogger
> ---------------------------------------------------------
>
> Key: HDFS-15259
> URL: https://issues.apache.org/jira/browse/HDFS-15259
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: logging, namenode
> Reporter: Yang Yun
> Assignee: Yang Yun
> Priority: Minor
> Attachments: HDFS-15259.001.patch, HDFS-15259.002.patch
>
>
> For most operations, the 'dst' is null, add checking before logging the 'dst'
> information in FSNamesystemAuditLogger
> {code:java}
> 2020-04-03 16:34:40,021 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: allowed=true
> ugi=user (auth:SIMPLE) ip=/127.0.0.1 cmd=listStatus src=/ dst=null perm=null
> proto=rpc
> 2020-04-03 16:35:16,329 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: allowed=true
> ugi=user (auth:SIMPLE) ip=/127.0.0.1 cmd=getfileinfo src=/ dst=null perm=null
> proto=rpc
> 2020-04-03 16:35:16,362 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: allowed=true
> ugi=user (auth:SIMPLE) ip=/127.0.0.1 cmd=mkdirs src=/user dst=null
> perm=yang:supergroup:rwxr-xr-x proto=rpc{code}
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