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https://issues.apache.org/jira/browse/HDFS-14109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16712348#comment-16712348
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He Xiaoqiao commented on HDFS-14109:
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Thanks [~xkrogen],[~kihwal] for discussing this issue.
{quote}I think as with most recent additions to the audit log, it should be
protected by a config which defaults to off. In particular, in an environment
using only a single namespace, we definitely don't want this information.{quote}
+1, only for federation with multi-namespace, and switch off default by a
config.
{quote}People deal with logs from multiple systems today without having to
insert the source identity in every single log line. {quote}
Actually, there are multiple system can deal with mass logs data. my opinion is:
1) the lowest-cost method to deal with logs. e.g. 10B audit-log records may
cost our amount computing resource if relay with other system.
2) another point, I consider this is scope of hdfs rather than push to other
system.
Maybe I missing some information, please give your feedback if there are
something wrong.
Thanks [~xkrogen], [~kihwal] 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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