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Posted to common-commits@hadoop.apache.org by at...@apache.org on 2012/05/02 20:21:52 UTC
svn commit: r1333142 - in
/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common:
CHANGES.txt src/main/docs/src/documentation/content/xdocs/commands_manual.xml
Author: atm
Date: Wed May 2 18:21:51 2012
New Revision: 1333142
URL: http://svn.apache.org/viewvc?rev=1333142&view=rev
Log:
HADOOP-8185. Update namenode -format documentation and add -nonInteractive and -force. Contributed by Arpit Gupta.
Modified:
hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt
hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml
Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1333142&r1=1333141&r2=1333142&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt Wed May 2 18:21:51 2012
@@ -148,6 +148,8 @@ Release 2.0.0 - UNRELEASED
HADOOP-7549. Use JDK ServiceLoader mechanism to find FileSystem implementations. (tucu)
+ HADOOP-8185. Update namenode -format documentation and add -nonInteractive and -force. (Arpit Gupta via atm)
+
OPTIMIZATIONS
BUG FIXES
Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml?rev=1333142&r1=1333141&r2=1333142&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml (original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml Wed May 2 18:21:51 2012
@@ -696,7 +696,7 @@
<a href="http://hadoop.apache.org/hdfs/docs/current/hdfs_user_guide.html#Upgrade+and+Rollback">Upgrade and Rollback</a>.
</p>
<p>
- <code>Usage: hadoop namenode [-format] | [-upgrade] | [-rollback] | [-finalize] | [-importCheckpoint] | [-checkpoint] | [-backup]</code>
+ <code>Usage: hadoop namenode [-format [-force] [-nonInteractive] [-clusterid someid]] | [-upgrade] | [-rollback] | [-finalize] | [-importCheckpoint] | [-checkpoint] | [-backup]</code>
</p>
<table>
<tr><th> COMMAND_OPTION </th><th> Description </th></tr>
@@ -714,8 +714,11 @@
<td>Start namenode in backup role, maintaining an up-to-date in-memory copy of the namespace and creating periodic checkpoints.</td>
</tr>
<tr>
- <td><code>-format</code></td>
- <td>Formats the namenode. It starts the namenode, formats it and then shut it down.</td>
+ <td><code>-format [-force] [-nonInteractive] [-clusterid someid]</code></td>
+ <td>Formats the namenode. It starts the namenode, formats it and then shuts it down. User will be prompted before formatting any non empty name directories in the local filesystem.<br/>
+ -nonInteractive: User will not be prompted for input if non empty name directories exist in the local filesystem and the format will fail.<br/>
+ -force: Formats the namenode and the user will NOT be prompted to confirm formatting of the name directories in the local filesystem. If -nonInteractive option is specified it will be ignored.<br/>
+ -clusterid: Associates the namenode with the id specified. When formatting federated namenodes use this option to make sure all namenodes are associated with the same id.</td>
</tr>
<tr>
<td><code>-upgrade</code></td>