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https://issues.apache.org/jira/browse/HDFS-14109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16702689#comment-16702689
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He Xiaoqiao commented on HDFS-14109:
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[~kihwal] Thanks for your comments firstly.
{quote}NN audit log is already huge and making it even bigger by adding
redundant bytes is far from ideal.{quote}
1. I agree with you one hundred percent.
2. NN audit log is incomplete information now if we stand unified filesystem
perspective for Federation.
Please correct me if there are something wrong. Thanks again.
> Improve hdfs auditlog format and support federation friendly
> ------------------------------------------------------------
>
> Key: HDFS-14109
> URL: https://issues.apache.org/jira/browse/HDFS-14109
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: He Xiaoqiao
> Assignee: He Xiaoqiao
> Priority: Major
> Attachments: HDFS-14109.patch
>
>
> The following auditlog format does not well meet requirement for federation
> arch currently. Since some case we need to aggregate all namespace audit log,
> if there are some common path request(e.g. /tmp, /user/ etc. some path may
> not appear in mountTable, but the path is very real), we will have no idea to
> split them that which namespace it request to. So I propose add column
> {{nsid}} to support federation more friendly.
> {quote}2018-11-27 13:20:30,028 INFO FSNamesystem.audit: allowed=true
> ugi=hdfs/hostn...@realm.com (auth:KERBEROS) ip=/10.1.1.2 cmd=getfileinfo
> src=/path dst=null perm=null proto=rpc clientName=null
> {quote}
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