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https://issues.apache.org/jira/browse/HDFS-4922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13866841#comment-13866841
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Colin Patrick McCabe commented on HDFS-4922:
--------------------------------------------
{code}
+ Local block reader maintains a chunk buffer, This controls the maximum chunks
+ can be filled in the chunk buffer for each read.
+ It would be better to be integral multiple of "dfs.bytes-per-checksum"
{code}
You should mention that this is specified in terms of bytes.
> Improve the short-circuit document
> ----------------------------------
>
> Key: HDFS-4922
> URL: https://issues.apache.org/jira/browse/HDFS-4922
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: documentation, hdfs-client
> Affects Versions: 3.0.0, 2.1.0-beta
> Reporter: Fengdong Yu
> Assignee: Fengdong Yu
> Priority: Minor
> Attachments: HDFS-4922-002.patch, HDFS-4922-003.patch,
> HDFS-4922-004.patch, HDFS-4922.patch
>
>
> explain the default value and add one configure key, which doesn't show in
> the document, but exists in the code.
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