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https://issues.apache.org/jira/browse/HDFS-2246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated HDFS-2246:
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Attachment: HDFS-2246.20s.patch
Here is an updated patch with the following changes:
# Addressed all Todd's comments
# Made variables final where necessary
# Changed "dfs.read.shortcircuit." to "dfs.client.read.shortcircuit" and moved
it to DFSConfigKeys.
# TestFileLocalRead.java
#* Renamed the test to TestShortCircuitLocalRead.java
#* Added class javadoc that describes the test correctly.
#* Added call to checkFullFile() to trigger local reads and to verify local
read works.
#* Removed unused method checkFile
# DFSClient.java
#* Changed the local host check to more comprehensive check, which will handle
multiple interfaces better. *Please review this part closely.*
#* Made changes to unwrap InvalidToken from RemoteException when making
datanode#getBlockPathInfo() call.
# ClientDataNodeProtocol.java - reverted changing the versionID for newly added
method.
> Shortcut a local client reads to a Datanodes files directly
> -----------------------------------------------------------
>
> Key: HDFS-2246
> URL: https://issues.apache.org/jira/browse/HDFS-2246
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Sanjay Radia
> Attachments: 0001-HDFS-347.-Local-reads.patch, HDFS-2246.20s.patch,
> localReadShortcut20-security.2patch
>
>
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