[jira] [Commented] (HDFS-14312) KMS-o-meter: Scale test KMS using kms audit log

["Wei-Chiu Chuang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-14312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16831331#comment-16831331 ] 

Wei-Chiu Chuang commented on HDFS-14312:
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Update: I took the first approach, replay at component level (approach 1) rather than system level (approach 2).

I think that's reasonable. The second one has more things attached to it, like I would require NN fsimage, hdfs audits and a dump of key provider. The tool I'm working on requires only kms audit log, so much lightweight.

> KMS-o-meter: Scale test KMS using kms audit log
> -----------------------------------------------
>
>                 Key: HDFS-14312
>                 URL: https://issues.apache.org/jira/browse/HDFS-14312
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: kms
>    Affects Versions: 3.3.0
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>            Priority: Major
>
> It appears to me that Dynamometer's architecture allows KMS scale tests too.
> I imagine there are two ways to scale test a KMS.
> # Take KMS audit logs, and replay the logs against a KMS.
> # Configure Dynamometer to start KMS in addition to NameNode. Assuming the fsimage comes from an encrypted cluster, replaying HDFS audit log also tests KMS.
> It would be even more interesting to have a tool that converts uncrypted cluster fsimage to an encrypted one.



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