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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7549) Use JDK ServiceLoader mechanism to find FileSystem implementations
Date Tue, 24 Apr 2012 20:48:09 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13260995#comment-13260995
] 

Hudson commented on HADOOP-7549:
--------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #2200 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2200/])
    HADOOP-7549. Use JDK ServiceLoader mechanism to find FileSystem implementations. (tucu)
(Revision 1329994)

     Result = SUCCESS
tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1329994
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/HarFileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/LocalFileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/ftp/FTPFileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/kfs/KosmosFileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/s3/S3FileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/s3native/NativeS3FileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/ViewFileSystem.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/resources/META-INF/services/org.apache.hadoop.fs.FileSystem
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileSystemCaching.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFilterFileSystem.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/HftpFileSystem.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/HsftpFileSystem.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/META-INF/services/org.apache.hadoop.fs.FileSystem

                
> Use JDK ServiceLoader mechanism to find FileSystem implementations
> ------------------------------------------------------------------
>
>                 Key: HADOOP-7549
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7549
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.23.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>             Fix For: 2.0.0
>
>         Attachments: HADOOP-7549v1.patch, HADOOP-7549v2.patch, HADOOP-7549v3.patch
>
>
> Currently configuring FileSystem implementations must be done by declaring the FileSystem
class in the Hadoop configuration files (core-default.xml, ...).
> Using JDK ServiceLoader mechanism this configuration step can be avoided. Adding the
JAR file with the additional FileSystem implementation would suffice. 
> This is similar to what is being proposed for compression codecs (HADOOP-7350).

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