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HADOOP-8143. Change distcp to have -pb on by default. Contributed by Mithun Radhakrishnan

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This commit is contained in:
Jason Lowe 2017-06-20 09:53:47 -05:00
parent 8c0769dee4
commit dd65eea74b
2 changed files with 4 additions and 1 deletions
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3
hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/OptionsParser.java
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@ -187,6 +187,9 @@ public static DistCpOptions parse(String[] args)
if (command.hasOption(DistCpOptionSwitch.PRESERVE_STATUS.getSwitch())) {
builder.preserve(
getVal(command, DistCpOptionSwitch.PRESERVE_STATUS.getSwitch()));
} else {
// No "preserve" settings specified. Preserve block-size.
builder.preserve(DistCpOptions.FileAttribute.BLOCKSIZE);
}
if (command.hasOption(DistCpOptionSwitch.FILE_LIMIT.getSwitch())) {

2
hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestOptionsParser.java
View File

@ -413,7 +413,7 @@ public void testPreserve() {
"-f",
"hdfs://localhost:9820/source/first",
"hdfs://localhost:9820/target/"});
Assert.assertFalse(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.USER));