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Posted to commits@tez.apache.org by hi...@apache.org on 2016/07/05 20:53:56 UTC
tez git commit: TEZ-3223. Support a NullHistoryLogger to disable
history logging if needed. (hitesh)
Repository: tez
Updated Branches:
refs/heads/master 59935e33b -> 36ab0c043
TEZ-3223. Support a NullHistoryLogger to disable history logging if needed. (hitesh)
Project: http://git-wip-us.apache.org/repos/asf/tez/repo
Commit: http://git-wip-us.apache.org/repos/asf/tez/commit/36ab0c04
Tree: http://git-wip-us.apache.org/repos/asf/tez/tree/36ab0c04
Diff: http://git-wip-us.apache.org/repos/asf/tez/diff/36ab0c04
Branch: refs/heads/master
Commit: 36ab0c043113bdd99f3121c9fb4348dbd39f18ab
Parents: 59935e3
Author: Hitesh Shah <hi...@apache.org>
Authored: Tue Jul 5 13:53:34 2016 -0700
Committer: Hitesh Shah <hi...@apache.org>
Committed: Tue Jul 5 13:53:34 2016 -0700
----------------------------------------------------------------------
CHANGES.txt | 2 +
.../apache/tez/dag/api/TezConfiguration.java | 3 +-
.../impl/DevNullHistoryLoggingService.java | 39 ++++++++++++++++++++
3 files changed, 43 insertions(+), 1 deletion(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/tez/blob/36ab0c04/CHANGES.txt
----------------------------------------------------------------------
diff --git a/CHANGES.txt b/CHANGES.txt
index b7ad666..5202373 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -7,6 +7,7 @@ INCOMPATIBLE CHANGES
ALL CHANGES:
+ TEZ-3223. Support a NullHistoryLogger to disable history logging if needed.
TEZ-3313. ATSFileParser : Wrong args passed in VersionInfo.
TEZ-3286. Allow clients to set processor reserved memory per vertex (instead of per container).
TEZ-3293. Fetch failures can cause a shuffle hang waiting for memory merge that never starts.
@@ -79,6 +80,7 @@ INCOMPATIBLE CHANGES
ALL CHANGES:
+ TEZ-3223. Support a NullHistoryLogger to disable history logging if needed.
TEZ-3286. Allow clients to set processor reserved memory per vertex (instead of per container).
TEZ-3293. Fetch failures can cause a shuffle hang waiting for memory merge that never starts.
TEZ-3314. Double counting input bytes in MultiMRInput.
http://git-wip-us.apache.org/repos/asf/tez/blob/36ab0c04/tez-api/src/main/java/org/apache/tez/dag/api/TezConfiguration.java
----------------------------------------------------------------------
diff --git a/tez-api/src/main/java/org/apache/tez/dag/api/TezConfiguration.java b/tez-api/src/main/java/org/apache/tez/dag/api/TezConfiguration.java
index 936c5db..1de2eda 100644
--- a/tez-api/src/main/java/org/apache/tez/dag/api/TezConfiguration.java
+++ b/tez-api/src/main/java/org/apache/tez/dag/api/TezConfiguration.java
@@ -1217,7 +1217,8 @@ public class TezConfiguration extends Configuration {
/**
* String value that is a class name.
- * Specify the class to use for logging history data
+ * Specify the class to use for logging history data.
+ * To disable, set this to "org.apache.tez.dag.history.logging.impl.DevNullHistoryLoggingService"
*/
@ConfigurationScope(Scope.AM)
@ConfigurationProperty
http://git-wip-us.apache.org/repos/asf/tez/blob/36ab0c04/tez-dag/src/main/java/org/apache/tez/dag/history/logging/impl/DevNullHistoryLoggingService.java
----------------------------------------------------------------------
diff --git a/tez-dag/src/main/java/org/apache/tez/dag/history/logging/impl/DevNullHistoryLoggingService.java b/tez-dag/src/main/java/org/apache/tez/dag/history/logging/impl/DevNullHistoryLoggingService.java
new file mode 100644
index 0000000..7e8a335
--- /dev/null
+++ b/tez-dag/src/main/java/org/apache/tez/dag/history/logging/impl/DevNullHistoryLoggingService.java
@@ -0,0 +1,39 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.tez.dag.history.logging.impl;
+
+import org.apache.tez.dag.history.DAGHistoryEvent;
+import org.apache.tez.dag.history.logging.HistoryLoggingService;
+
+/**
+ * No-op history logger.
+ */
+public class DevNullHistoryLoggingService extends HistoryLoggingService {
+
+ public DevNullHistoryLoggingService() {
+ super(DevNullHistoryLoggingService.class.getName());
+ }
+
+ @Override
+ public void handle(DAGHistoryEvent event) {
+ // Sending all events to /dev/null
+ // Done.
+ }
+
+}