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Posted to common-commits@hadoop.apache.org by zj...@apache.org on 2015/02/27 00:17:34 UTC
[16/17] hadoop git commit: MAPREDUCE-5612. Add javadoc for
TaskCompletionEvent.Status. Contributed by Chris Palmer.
MAPREDUCE-5612. Add javadoc for TaskCompletionEvent.Status. Contributed by Chris Palmer.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/bfbf076b
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/bfbf076b
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/bfbf076b
Branch: refs/heads/YARN-2928
Commit: bfbf076b7dcb71b59d85b05d0a6da88195ea9902
Parents: 1047c88
Author: Akira Ajisaka <aa...@apache.org>
Authored: Thu Feb 26 15:05:17 2015 -0800
Committer: Akira Ajisaka <aa...@apache.org>
Committed: Thu Feb 26 15:05:17 2015 -0800
----------------------------------------------------------------------
hadoop-mapreduce-project/CHANGES.txt | 3 ++
.../hadoop/mapred/TaskCompletionEvent.java | 32 +++++++++++++++++++-
.../hadoop/mapreduce/TaskCompletionEvent.java | 32 +++++++++++++++++++-
3 files changed, 65 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/bfbf076b/hadoop-mapreduce-project/CHANGES.txt
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diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 6cb1754..f509d4e 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -308,6 +308,9 @@ Release 2.7.0 - UNRELEASED
MAPREDUCE-6264. Remove httpclient dependency from hadoop-mapreduce-client.
(Brahma Reddy Battula via aajisaka)
+ MAPREDUCE-5612. Add javadoc for TaskCompletionEvent.Status.
+ (Chris Palmer via aajisaka)
+
OPTIMIZATIONS
MAPREDUCE-6169. MergeQueue should release reference to the current item
http://git-wip-us.apache.org/repos/asf/hadoop/blob/bfbf076b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskCompletionEvent.java
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diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskCompletionEvent.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskCompletionEvent.java
index dc4d82e..2bb55a2 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskCompletionEvent.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskCompletionEvent.java
@@ -32,7 +32,37 @@ public class TaskCompletionEvent
extends org.apache.hadoop.mapreduce.TaskCompletionEvent {
@InterfaceAudience.Public
@InterfaceStability.Stable
- static public enum Status {FAILED, KILLED, SUCCEEDED, OBSOLETE, TIPFAILED};
+ /**
+ * Task Completion Statuses
+ */
+ static public enum Status {
+ /**
+ * Task Event Attempt failed but there are attempts remaining.
+ */
+ FAILED,
+ /**
+ * Task Event was killed.
+ */
+ KILLED,
+ /**
+ * Task Event was successful.
+ */
+ SUCCEEDED,
+ /**
+ * Used to Override a previously successful event status.
+ * Example: Map attempt runs and a SUCCEEDED event is sent. Later a task
+ * is retroactively failed due to excessive fetch failure during shuffle
+ * phase. When the retroactive attempt failure occurs, an OBSOLETE event is
+ * sent for the map attempt indicating the prior event is no longer valid.
+ */
+ OBSOLETE,
+ /**
+ * Task Event attempt failed and no further attempts exist.
+ * reached MAX attempts. When a reducer receives a TIPFAILED event it
+ * gives up trying to shuffle data from that map task.
+ */
+ TIPFAILED
+ }
public static final TaskCompletionEvent[] EMPTY_ARRAY =
new TaskCompletionEvent[0];
http://git-wip-us.apache.org/repos/asf/hadoop/blob/bfbf076b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskCompletionEvent.java
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskCompletionEvent.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskCompletionEvent.java
index 31643a9..21c3823 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskCompletionEvent.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskCompletionEvent.java
@@ -36,7 +36,37 @@ import org.apache.hadoop.io.WritableUtils;
public class TaskCompletionEvent implements Writable{
@InterfaceAudience.Public
@InterfaceStability.Evolving
- static public enum Status {FAILED, KILLED, SUCCEEDED, OBSOLETE, TIPFAILED};
+ /**
+ * Task Completion Statuses
+ */
+ static public enum Status {
+ /**
+ * Task Event Attempt failed but there are attempts remaining.
+ */
+ FAILED,
+ /**
+ * Task Event was killed.
+ */
+ KILLED,
+ /**
+ * Task Event was successful.
+ */
+ SUCCEEDED,
+ /**
+ * Used to Override a previously successful event status.
+ * Example: Map attempt runs and a SUCCEEDED event is sent. Later a task
+ * is retroactively failed due to excessive fetch failure during shuffle
+ * phase. When the retroactive attempt failure occurs, an OBSOLETE event is
+ * sent for the map attempt indicating the prior event is no longer valid.
+ */
+ OBSOLETE,
+ /**
+ * Task Event attempt failed and no further attempts exist.
+ * reached MAX attempts. When a reducer receives a TIPFAILED event it
+ * gives up trying to shuffle data from that map task.
+ */
+ TIPFAILED
+ }
private int eventId;
private String taskTrackerHttp;