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HADOOP-12374. Updated expunge command description. 

(WeiWei Yang via eyang)
This commit is contained in:
Eric Yang 2015-09-15 20:03:24 -07:00
parent 77aaf4cf7d
commit 2ffe2db95e
3 changed files with 9 additions and 3 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -819,6 +819,9 @@ Release 2.8.0 - UNRELEASED
BUG FIXES BUG FIXES
HADOOP-12374. Updated expunge command description.
(WeiWei Yang via eyang)
HADOOP-12352. Delay in checkpointing Trash can leave trash for 2 intervals HADOOP-12352. Delay in checkpointing Trash can leave trash for 2 intervals
before deleting (Casey Brotherton via harsh) before deleting (Casey Brotherton via harsh)

7
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/Delete.java
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@ -215,11 +215,14 @@ class Delete {
} }
} }
/** empty the trash */ // delete files from the trash that are older
// than the retention threshold.
static class Expunge extends FsCommand { static class Expunge extends FsCommand {
public static final String NAME = "expunge"; public static final String NAME = "expunge";
public static final String USAGE = ""; public static final String USAGE = "";
public static final String DESCRIPTION = "Empty the Trash"; public static final String DESCRIPTION =
"Delete files from the trash that are older " +
"than the retention threshold";
// TODO: should probably allow path arguments for the filesystems // TODO: should probably allow path arguments for the filesystems
@Override @Override

2
hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md
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@ -271,7 +271,7 @@ expunge
Usage: `hadoop fs -expunge` Usage: `hadoop fs -expunge`
Empty the Trash. Refer to the [HDFS Architecture Guide](../hadoop-hdfs/HdfsDesign.html) for more information on the Trash feature. If trash is enabled when a file is deleted, HDFS instead moves the deleted file to a trash directory. This command causes HDFS to permanently delete files from the trash that are older than the retention threshold. Refer to the [File Deletes and Undeletes Guide](../hadoop-hdfs/HdfsDesign.html#File_Deletes_and_Undeletes) in Space Reclamation section for more information on the Trash feature.
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