[jira] [Commented] (HDFS-11885) createEncryptionZone should not block on initializing EDEK cache

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-11885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671143#comment-16671143 ] 

Hadoop QA commented on HDFS-11885:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  7s{color} | {color:red} HDFS-11885 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-11885 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12880136/HDFS-11885.004.patch |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/25407/console |
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> createEncryptionZone should not block on initializing EDEK cache
> ----------------------------------------------------------------
>
>                 Key: HDFS-11885
>                 URL: https://issues.apache.org/jira/browse/HDFS-11885
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: encryption
>    Affects Versions: 2.6.5
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>            Priority: Major
>         Attachments: HDFS-11885.001.patch, HDFS-11885.002.patch, HDFS-11885.003.patch, HDFS-11885.004.patch
>
>
> When creating an encryption zone, we call {{ensureKeyIsInitialized}}, which calls {{provider.warmUpEncryptedKeys(keyName)}}. This is a blocking call, which attempts to fill the key cache up to the low watermark.
> If the KMS is down or slow, this can take a very long time, and cause the createZone RPC to fail with a timeout.



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