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https://issues.apache.org/jira/browse/YARN-5797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15630595#comment-15630595
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Chris Trezzo commented on YARN-5797:
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Note that the patch exposes the following metrics about the cache cleanup:
# cacheSizeBeforeClean - The local cache size (public and private) before clean
in Bytes
# totalBytesDeleted - # of total bytes deleted from the public and private
local cache
# publicBytesDeleted - # of bytes deleted from the public local cache
# privateBytesDeleted - # of bytes deleted from the private local cache
{{LocalCacheCleanerStats}} also exposes the individual amounts deleted (in
bytes) from each user private cache. I wasn't quite sure of a good way to
expose this via metrics, so I left it out of the current patch.
> Add metrics to the node manager for cleaning the PUBLIC and PRIVATE caches
> --------------------------------------------------------------------------
>
> Key: YARN-5797
> URL: https://issues.apache.org/jira/browse/YARN-5797
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Chris Trezzo
> Assignee: Chris Trezzo
> Attachments: YARN-5797-trunk-v1.patch
>
>
> Add new metrics to the node manager around the local cache sizes and how much
> is being cleaned from them on a regular bases. For example, we can expose
> information contained in the {{LocalCacheCleanerStats}} class.
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