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HDFS-69. Improve the 'dfsadmin' commandline help. (harsh) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1230398 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Harsh J 2012-01-12 05:13:19 +00:00
parent 74697f2317
commit dcea80a21b
2 changed files with 6 additions and 2 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -259,6 +259,8 @@ Release 0.23.1 - UNRELEASED
HDFS-1314. Make dfs.blocksize accept size-indicating prefixes (Sho Shimauchi via harsh)
HDFS-69. Improve the 'dfsadmin' commandline help. (harsh)
OPTIMIZATIONS
HDFS-2130. Switch default checksum to CRC32C. (todd)

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
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@ -131,8 +131,9 @@ public class DFSAdmin extends FsShell {
"\t\ton the number of names in the directory tree\n" +
"\t\tFor each directory, attempt to set the quota. An error will be reported if\n" +
"\t\t1. N is not a positive integer, or\n" +
"\t\t2. user is not an administrator, or\n" +
"\t\t3. the directory does not exist or is a file, or\n";
"\t\t2. User is not an administrator, or\n" +
"\t\t3. The directory does not exist or is a file.\n" +
"\t\tNote: A quota of 1 would force the directory to remain empty.\n";
private final long quota; // the quota to be set
@ -917,6 +918,7 @@ public class DFSAdmin extends FsShell {
+ " [-setBalancerBandwidth <bandwidth in bytes per second>]");
} else {
System.err.println("Usage: java DFSAdmin");
System.err.println("Note: Administrative commands can only be run as the HDFS superuser.");
System.err.println(" [-report]");
System.err.println(" [-safemode enter | leave | get | wait]");
System.err.println(" [-saveNamespace]");