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Posted to hdfs-issues@hadoop.apache.org by "SammiChen (JIRA)" <ji...@apache.org> on 2018/04/02 11:43:00 UTC
[jira] [Updated] (HDFS-11885) createEncryptionZone should not block
on initializing EDEK cache
[ https://issues.apache.org/jira/browse/HDFS-11885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
SammiChen updated HDFS-11885:
-----------------------------
Target Version/s: 2.8.3, 3.2.0, 2.9.2 (was: 2.8.3, 2.9.1, 3.2.0)
> 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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