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https://issues.apache.org/jira/browse/HDFS-13885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16597834#comment-16597834
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Xiao Chen commented on HDFS-13885:
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Thanks [~knanasi] for the improvement.
This would be helpful, and we can know from debug logs how long each decrypt
call to the KMS took. Only suggestion is I think logging the stream id as hex
seems more intuitive. (e.g. {{Integer.toHexString}}) +1 pending
> Improve debugging experience of dfsclient decrypts
> --------------------------------------------------
>
> Key: HDFS-13885
> URL: https://issues.apache.org/jira/browse/HDFS-13885
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client
> Affects Versions: 3.1.0
> Reporter: Kitti Nanasi
> Assignee: Kitti Nanasi
> Priority: Major
> Attachments: HDFS-13885.001.patch
>
>
> We want to know from the hdfs client log (e.g. hbase RS logs) for each
> CryptoOutputstream, approximately when does the decrypt happen and when does
> the file read happen, to help us rule out or identify hdfs NN / kms / DN
> being slow.
>
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