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https://issues.apache.org/jira/browse/HDFS-7397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334270#comment-14334270
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Colin Patrick McCabe commented on HDFS-7397:
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bq. dfs.client.read.shortcircuit.cache.block-count-max?
We're not caching blocks, we're caching file descriptors.
bq. Do you agree that "dfs.client.read.shortcircuit.streams.cache.size" is
misleading?
To be honest, I think the current name is fine. This is a cache of file
descriptors. You can't cache half a file descriptor, hence questions like "is
it in kb or mb" have no meaning. That is why I suggested updating the docs. I
do not feel strongly about it, though.
> The conf key "dfs.client.read.shortcircuit.streams.cache.size" is misleading
> ----------------------------------------------------------------------------
>
> Key: HDFS-7397
> URL: https://issues.apache.org/jira/browse/HDFS-7397
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Brahma Reddy Battula
> Priority: Minor
>
> For dfs.client.read.shortcircuit.streams.cache.size, is it in MB or KB?
> Interestingly, it is neither in MB nor KB. It is the number of shortcircuit
> streams.
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