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https://issues.apache.org/jira/browse/HDFS-13958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16640075#comment-16640075
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Hudson commented on HDFS-13958:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15131 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15131/])
HDFS-13958. Miscellaneous Improvements for FsVolumeSpi. Contributed by
(inigoiri: rev 73c660b43f3d5311947d2acc9488f17c1caf4de0)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsVolumeImpl.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/ProvidedVolumeImpl.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDirectoryScanner.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/extdataset/ExternalVolumeImpl.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/SimulatedFSDataset.java
> Miscellaneous Improvements for FsVolumeSpi
> ------------------------------------------
>
> Key: HDFS-13958
> URL: https://issues.apache.org/jira/browse/HDFS-13958
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.3.0
> Reporter: BELUGA BEHR
> Assignee: BELUGA BEHR
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-13958.1.patch, HDFS-13958.2.patch
>
>
> The work in [HDFS-13947] allowed for using {{ArrayList}} instead of
> {{LinkedList}} when scanning DataNode local directories, however the
> {{FsVolumeSpi}} implementations were still using (and forcing)
> {{LinkedList}}. I propose changing the {{FsVolumeSpi}} signatures to allow
> for {{Collection}} instead of {{LinkedList}}. Since I'm looking at the code,
> I made some small improvements and check-style fixes.
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