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From c..@apache.org
Subject svn commit: r948245 - in /hadoop/common/branches/branch-0.21: ./ src/contrib/ec2/ src/docs/ src/java/ src/test/core/ src/test/system/aop/org/apache/hadoop/test/system/ src/test/system/java/org/apache/hadoop/test/system/
Date Tue, 25 May 2010 23:05:10 GMT
Author: cos
Date: Tue May 25 23:05:09 2010
New Revision: 948245

URL: http://svn.apache.org/viewvc?rev=948245&view=rev
Log:
HADOOP-6777. svn merge -c 948242 from trunk

Modified:
    hadoop/common/branches/branch-0.21/   (props changed)
    hadoop/common/branches/branch-0.21/CHANGES.txt   (contents, props changed)
    hadoop/common/branches/branch-0.21/src/contrib/ec2/   (props changed)
    hadoop/common/branches/branch-0.21/src/docs/   (props changed)
    hadoop/common/branches/branch-0.21/src/java/   (props changed)
    hadoop/common/branches/branch-0.21/src/test/core/   (props changed)
    hadoop/common/branches/branch-0.21/src/test/system/aop/org/apache/hadoop/test/system/DaemonProtocolAspect.aj
    hadoop/common/branches/branch-0.21/src/test/system/java/org/apache/hadoop/test/system/DaemonProtocol.java

Propchange: hadoop/common/branches/branch-0.21/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue May 25 23:05:09 2010
@@ -1,2 +1,2 @@
-/hadoop/common/trunk:944521,945941-945953,947218,947222,947882,948174,948237
+/hadoop/common/trunk:944521,945941-945953,947218,947222,947882,948174,948237,948242
 /hadoop/core/branches/branch-0.19/core:713112

Modified: hadoop/common/branches/branch-0.21/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/CHANGES.txt?rev=948245&r1=948244&r2=948245&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.21/CHANGES.txt Tue May 25 23:05:09 2010
@@ -294,6 +294,9 @@ Release 0.21.0 - Unreleased
 
   IMPROVEMENTS
 
+    HADOOP-6777. Implement a functionality for suspend and resume a process.
+    (Vinay Thota via cos)
+
     HADOOP-6772. Utilities for system tests specific. (Vinay Thota via cos)
 
     HADOOP-6771. Herriot's artifact id for Maven deployment should be set to

Propchange: hadoop/common/branches/branch-0.21/CHANGES.txt
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue May 25 23:05:09 2010
@@ -1,4 +1,4 @@
-/hadoop/common/trunk/CHANGES.txt:944521,945941-945953,947218,947222,947882,948174,948237
+/hadoop/common/trunk/CHANGES.txt:944521,945941-945953,947218,947222,947882,948174,948237,948242
 /hadoop/core/branches/branch-0.18/CHANGES.txt:727226
 /hadoop/core/branches/branch-0.19/CHANGES.txt:713112
 /hadoop/core/trunk/CHANGES.txt:776175-785643,785929-786278

Propchange: hadoop/common/branches/branch-0.21/src/contrib/ec2/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue May 25 23:05:09 2010
@@ -1,3 +1,3 @@
-/hadoop/common/trunk/src/contrib/ec2:944521,945941-945953,947218,947222,947882,948174,948237
+/hadoop/common/trunk/src/contrib/ec2:944521,945941-945953,947218,947222,947882,948174,948237,948242
 /hadoop/core/branches/branch-0.19/core/src/contrib/ec2:713112
 /hadoop/core/trunk/src/contrib/ec2:776175-784663

Propchange: hadoop/common/branches/branch-0.21/src/docs/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue May 25 23:05:09 2010
@@ -1,2 +1,2 @@
-/hadoop/common/trunk/src/docs:944521,945941-945953,947218,947222,947882,948174,948237
+/hadoop/common/trunk/src/docs:944521,945941-945953,947218,947222,947882,948174,948237,948242
 /hadoop/core/branches/branch-0.19/src/docs:713112

Propchange: hadoop/common/branches/branch-0.21/src/java/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue May 25 23:05:09 2010
@@ -1,3 +1,3 @@
-/hadoop/common/trunk/src/java:944521,945941-945953,947218,947222,947882,948174,948237
+/hadoop/common/trunk/src/java:944521,945941-945953,947218,947222,947882,948174,948237,948242
 /hadoop/core/branches/branch-0.19/core/src/java:713112
 /hadoop/core/trunk/src/core:776175-785643,785929-786278

Propchange: hadoop/common/branches/branch-0.21/src/test/core/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue May 25 23:05:09 2010
@@ -1,3 +1,3 @@
-/hadoop/common/trunk/src/test/core:944521,945941-945953,947218,947222,947882,948174,948237
+/hadoop/common/trunk/src/test/core:944521,945941-945953,947218,947222,947882,948174,948237,948242
 /hadoop/core/branches/branch-0.19/core/src/test/core:713112
 /hadoop/core/trunk/src/test/core:776175-785643,785929-786278

Modified: hadoop/common/branches/branch-0.21/src/test/system/aop/org/apache/hadoop/test/system/DaemonProtocolAspect.aj
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/src/test/system/aop/org/apache/hadoop/test/system/DaemonProtocolAspect.aj?rev=948245&r1=948244&r2=948245&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/src/test/system/aop/org/apache/hadoop/test/system/DaemonProtocolAspect.aj
(original)
+++ hadoop/common/branches/branch-0.21/src/test/system/aop/org/apache/hadoop/test/system/DaemonProtocolAspect.aj
Tue May 25 23:05:09 2010
@@ -31,6 +31,7 @@ import org.apache.commons.logging.LogFac
 import org.apache.hadoop.io.Writable;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.util.Shell.ShellCommandExecutor;
+import org.apache.hadoop.util.Shell;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
@@ -274,6 +275,56 @@ public aspect DaemonProtocolAspect {
     return Integer.parseInt(output.replaceAll("\n", "").trim());
   }
 
+  /**
+   * This method is used for suspending the process.
+   * @param pid process id
+   * @throws IOException if an I/O error occurs.
+   * @return true if process is suspended otherwise false.
+   */
+  public boolean DaemonProtocol.suspendProcess(String pid) throws IOException {
+    String suspendCmd = getDaemonConf().get("test.system.hdrc.suspend.cmd",
+        "kill -SIGSTOP");
+    String [] command = {"bash", "-c", suspendCmd + " " + pid};
+    ShellCommandExecutor shexec = new ShellCommandExecutor(command);
+    try {
+      shexec.execute();
+    } catch (Shell.ExitCodeException e) {
+      LOG.warn("suspended process throws an exitcode "
+          + "exception for not being suspended the given process id.");
+      return false;
+    }
+    LOG.info("The suspend process command is :"
+        + shexec.toString()
+        + " and the output for the command is "
+        + shexec.getOutput());
+    return true;
+  }
+
+  /**
+   * This method is used for resuming the process
+   * @param pid process id of suspended process.
+   * @throws IOException if an I/O error occurs.
+   * @return true if suspeneded process is resumed otherwise false.
+   */
+  public boolean DaemonProtocol.resumeProcess(String pid) throws IOException {
+    String resumeCmd = getDaemonConf().get("test.system.hdrc.resume.cmd",
+        "kill -SIGCONT");
+    String [] command = {"bash", "-c", resumeCmd + " " + pid};
+    ShellCommandExecutor shexec = new ShellCommandExecutor(command);
+    try {
+      shexec.execute();
+    } catch(Shell.ExitCodeException e) {
+        LOG.warn("Resume process throws an exitcode "
+          + "exception for not being resumed the given process id.");
+      return false;
+    }
+    LOG.info("The resume process command is :"
+        + shexec.toString()
+        + " and the output for the command is "
+        + shexec.getOutput());
+    return true;
+  }
+
   private String DaemonProtocol.user = null;
   
   public String DaemonProtocol.getDaemonUser() {

Modified: hadoop/common/branches/branch-0.21/src/test/system/java/org/apache/hadoop/test/system/DaemonProtocol.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.21/src/test/system/java/org/apache/hadoop/test/system/DaemonProtocol.java?rev=948245&r1=948244&r2=948245&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.21/src/test/system/java/org/apache/hadoop/test/system/DaemonProtocol.java
(original)
+++ hadoop/common/branches/branch-0.21/src/test/system/java/org/apache/hadoop/test/system/DaemonProtocol.java
Tue May 25 23:05:09 2010
@@ -162,4 +162,20 @@ public interface DaemonProtocol extends 
    * @throws IOException in case of errors
    */
   String getDaemonUser() throws IOException;
+
+  /**
+   * It uses for suspending the process.
+   * @param pid process id.
+   * @return true if the process is suspended otherwise false.
+   * @throws IOException if an I/O error occurs.
+   */
+  boolean suspendProcess(String pid) throws IOException;
+
+  /**
+   * It uses for resuming the suspended process.
+   * @param pid process id
+   * @return true if suspended process is resumed otherwise false.
+   * @throws IOException if an I/O error occurs.
+   */
+  boolean resumeProcess(String pid) throws IOException;
 }



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