Author: cutting
Date: Mon May 7 13:15:07 2007
New Revision: 535976
URL: http://svn.apache.org/viewvc?view=rev&rev=535976
Log:
HADOOP-1276. Make tasktracker expiry interval configurable. Contributed by
Arun.
Modified:
lucene/hadoop/trunk/CHANGES.txt
lucene/hadoop/trunk/conf/hadoop-default.xml
lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java
lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/MRConstants.java
Modified: lucene/hadoop/trunk/CHANGES.txt
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?view=diff&rev=535976&r1=535975&r2=535976
==============================================================================
--- lucene/hadoop/trunk/CHANGES.txt (original)
+++ lucene/hadoop/trunk/CHANGES.txt Mon May 7 13:15:07 2007
@@ -339,6 +339,9 @@
100. HADOOP-1325. First complete, functioning version of HBase.
(Jim Kellerman via cutting)
+101. HADOOP-1276. Make tasktracker expiry interval configurable.
+ (Arun C Murthy via cutting)
+
Release 0.12.3 - 2007-04-06
Modified: lucene/hadoop/trunk/conf/hadoop-default.xml
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/conf/hadoop-default.xml?view=diff&rev=535976&r1=535975&r2=535976
==============================================================================
--- lucene/hadoop/trunk/conf/hadoop-default.xml (original)
+++ lucene/hadoop/trunk/conf/hadoop-default.xml Mon May 7 13:15:07 2007
@@ -526,6 +526,14 @@
</property>
<property>
+ <name>mapred.tasktracker.expiry.interval</name>
+ <value>600000</value>
+ <description>Expert: The time-interval, in miliseconds, after which
+ a tasktracker is declared 'lost' if it doesn't send heartbeats.
+ </description>
+</property>
+
+<property>
<name>mapred.map.tasks</name>
<value>2</value>
<description>The default number of map tasks per job. Typically set
Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java?view=diff&rev=535976&r1=535975&r2=535976
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java
(original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/JobTracker.java Mon
May 7 13:15:07 2007
@@ -58,6 +58,7 @@
* @author Mike Cafarella
*******************************************************/
public class JobTracker implements MRConstants, InterTrackerProtocol,
JobSubmissionProtocol {
+ static long TASKTRACKER_EXPIRY_INTERVAL = 10 * 60 * 1000;
static long RETIRE_JOB_INTERVAL;
static long RETIRE_JOB_CHECK_INTERVAL;
static float TASK_ALLOC_EPSILON;
@@ -606,6 +607,8 @@
//
// Grab some static constants
//
+ TASKTRACKER_EXPIRY_INTERVAL =
+ conf.getLong("mapred.tasktracker.expiry.interval", 10 * 60 * 1000);
maxCurrentTasks = conf.getInt("mapred.tasktracker.tasks.maximum", 2);
RETIRE_JOB_INTERVAL = conf.getLong("mapred.jobtracker.retirejob.interval",
24 * 60 * 60 * 1000);
RETIRE_JOB_CHECK_INTERVAL =
conf.getLong("mapred.jobtracker.retirejob.check", 60 * 1000);
Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/MRConstants.java
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/MRConstants.java?view=diff&rev=535976&r1=535975&r2=535976
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/MRConstants.java
(original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/MRConstants.java Mon
May 7 13:15:07 2007
@@ -27,7 +27,6 @@
// Timeouts, constants
//
public static final long HEARTBEAT_INTERVAL = 10 * 1000;
- public static final long TASKTRACKER_EXPIRY_INTERVAL = 10 * 60 * 1000;
//for the inmemory filesystem (to do in-memory merge)
/**
