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https://issues.apache.org/jira/browse/HIVE-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15288047#comment-15288047
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Sergey Shelukhin commented on HIVE-13029:
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[~gopalv] ping? ;)
> NVDIMM support for LLAP Cache
> -----------------------------
>
> Key: HIVE-13029
> URL: https://issues.apache.org/jira/browse/HIVE-13029
> Project: Hive
> Issue Type: New Feature
> Components: llap
> Affects Versions: 2.1.0
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Critical
> Attachments: HIVE-13029.1.patch, HIVE-13029.2.patch
>
>
> LLAP cache has been designed so that the cache can be offloaded easily to a
> pmem API without restart coherence.
> The tricky part about NVDIMMs are restart coherence, while most of the cache
> gains can be obtained without keeping state across refreshes, since LLAP is
> not the system of record, HDFS is.
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