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https://issues.apache.org/jira/browse/HDFS-5851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13887111#comment-13887111
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Arpit Agarwal commented on HDFS-5851:
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I have not given much thought to the specifics except that it would fit within
the Heterogeneous Storage framework.
Spilling writes is an interesting idea. It could be done with extensions to
_Storage Preferences_. Or we don't spill writes silently and limit memory
consumption with the quota extensions we described in HDFS-2832. DFSClient or
the app could handle the failure.
Do you see overlap with your CCM work?
> Support memory as a storage medium
> ----------------------------------
>
> Key: HDFS-5851
> URL: https://issues.apache.org/jira/browse/HDFS-5851
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 3.0.0
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
>
> Memory can be used as a storage medium for smaller/transient files for fast
> write throughput.
> More information/design will be added later.
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