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From iras...@apache.org
Subject spark git commit: [SPARK-11929][CORE] Make the repl log4j configuration override the root logger.
Date Tue, 24 Nov 2015 21:08:25 GMT
Repository: spark
Updated Branches:
  refs/heads/master f31527227 -> e6dd23746


[SPARK-11929][CORE] Make the repl log4j configuration override the root logger.

In the default Spark distribution, there are currently two separate
log4j config files, with different default values for the root logger,
so that when running the shell you have a different default log level.
This makes the shell more usable, since the logs don't overwhelm the
output.

But if you install a custom log4j.properties, you lose that, because
then it's going to be used no matter whether you're running a regular
app or the shell.

With this change, the overriding of the log level is done differently;
the log level repl's main class (org.apache.spark.repl.Main) is used
to define the root logger's level when running the shell, defaulting
to WARN if it's not set explicitly.

On a somewhat related change, the shell output about the "sc" variable
was changed a bit to contain a little more useful information about
the application, since when the root logger's log level is WARN, that
information is never shown to the user.

Author: Marcelo Vanzin <vanzin@cloudera.com>

Closes #9816 from vanzin/shell-logging.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/e6dd2374
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/e6dd2374
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/e6dd2374

Branch: refs/heads/master
Commit: e6dd237463d2de8c506f0735dfdb3f43e8122513
Parents: f315272
Author: Marcelo Vanzin <vanzin@cloudera.com>
Authored: Tue Nov 24 15:08:02 2015 -0600
Committer: Imran Rashid <irashid@cloudera.com>
Committed: Tue Nov 24 15:08:02 2015 -0600

----------------------------------------------------------------------
 conf/log4j.properties.template                  |  5 +++
 .../apache/spark/log4j-defaults-repl.properties | 33 --------------
 .../org/apache/spark/log4j-defaults.properties  |  5 +++
 .../main/scala/org/apache/spark/Logging.scala   | 45 ++++++++++----------
 .../org/apache/spark/repl/SparkILoopInit.scala  | 21 ++++-----
 .../org/apache/spark/repl/SparkILoop.scala      | 25 +++++------
 6 files changed, 57 insertions(+), 77 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/e6dd2374/conf/log4j.properties.template
----------------------------------------------------------------------
diff --git a/conf/log4j.properties.template b/conf/log4j.properties.template
index f3046be..9809b0c 100644
--- a/conf/log4j.properties.template
+++ b/conf/log4j.properties.template
@@ -22,6 +22,11 @@ log4j.appender.console.target=System.err
 log4j.appender.console.layout=org.apache.log4j.PatternLayout
 log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{1}: %m%n
 
+# Set the default spark-shell log level to WARN. When running the spark-shell, the
+# log level for this class is used to overwrite the root logger's log level, so that
+# the user can have different defaults for the shell and regular Spark apps.
+log4j.logger.org.apache.spark.repl.Main=WARN
+
 # Settings to quiet third party logs that are too verbose
 log4j.logger.org.spark-project.jetty=WARN
 log4j.logger.org.spark-project.jetty.util.component.AbstractLifeCycle=ERROR

http://git-wip-us.apache.org/repos/asf/spark/blob/e6dd2374/core/src/main/resources/org/apache/spark/log4j-defaults-repl.properties
----------------------------------------------------------------------
diff --git a/core/src/main/resources/org/apache/spark/log4j-defaults-repl.properties b/core/src/main/resources/org/apache/spark/log4j-defaults-repl.properties
deleted file mode 100644
index c85abc3..0000000
--- a/core/src/main/resources/org/apache/spark/log4j-defaults-repl.properties
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# 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
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# 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.
-#
-
-# Set everything to be logged to the console
-log4j.rootCategory=WARN, console
-log4j.appender.console=org.apache.log4j.ConsoleAppender
-log4j.appender.console.target=System.err
-log4j.appender.console.layout=org.apache.log4j.PatternLayout
-log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{1}: %m%n
-
-# Settings to quiet third party logs that are too verbose
-log4j.logger.org.spark-project.jetty=WARN
-log4j.logger.org.spark-project.jetty.util.component.AbstractLifeCycle=ERROR
-log4j.logger.org.apache.spark.repl.SparkIMain$exprTyper=INFO
-log4j.logger.org.apache.spark.repl.SparkILoop$SparkILoopInterpreter=INFO
-
-# SPARK-9183: Settings to avoid annoying messages when looking up nonexistent UDFs in SparkSQL
with Hive support
-log4j.logger.org.apache.hadoop.hive.metastore.RetryingHMSHandler=FATAL
-log4j.logger.org.apache.hadoop.hive.ql.exec.FunctionRegistry=ERROR

http://git-wip-us.apache.org/repos/asf/spark/blob/e6dd2374/core/src/main/resources/org/apache/spark/log4j-defaults.properties
----------------------------------------------------------------------
diff --git a/core/src/main/resources/org/apache/spark/log4j-defaults.properties b/core/src/main/resources/org/apache/spark/log4j-defaults.properties
index d44cc85..0750488 100644
--- a/core/src/main/resources/org/apache/spark/log4j-defaults.properties
+++ b/core/src/main/resources/org/apache/spark/log4j-defaults.properties
@@ -22,6 +22,11 @@ log4j.appender.console.target=System.err
 log4j.appender.console.layout=org.apache.log4j.PatternLayout
 log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{1}: %m%n
 
+# Set the default spark-shell log level to WARN. When running the spark-shell, the
+# log level for this class is used to overwrite the root logger's log level, so that
+# the user can have different defaults for the shell and regular Spark apps.
+log4j.logger.org.apache.spark.repl.Main=WARN
+
 # Settings to quiet third party logs that are too verbose
 log4j.logger.org.spark-project.jetty=WARN
 log4j.logger.org.spark-project.jetty.util.component.AbstractLifeCycle=ERROR

http://git-wip-us.apache.org/repos/asf/spark/blob/e6dd2374/core/src/main/scala/org/apache/spark/Logging.scala
----------------------------------------------------------------------
diff --git a/core/src/main/scala/org/apache/spark/Logging.scala b/core/src/main/scala/org/apache/spark/Logging.scala
index 69f6e06..e35e158 100644
--- a/core/src/main/scala/org/apache/spark/Logging.scala
+++ b/core/src/main/scala/org/apache/spark/Logging.scala
@@ -17,7 +17,7 @@
 
 package org.apache.spark
 
-import org.apache.log4j.{LogManager, PropertyConfigurator}
+import org.apache.log4j.{Level, LogManager, PropertyConfigurator}
 import org.slf4j.{Logger, LoggerFactory}
 import org.slf4j.impl.StaticLoggerBinder
 
@@ -119,30 +119,31 @@ trait Logging {
     val usingLog4j12 = "org.slf4j.impl.Log4jLoggerFactory".equals(binderClass)
     if (usingLog4j12) {
       val log4j12Initialized = LogManager.getRootLogger.getAllAppenders.hasMoreElements
+      // scalastyle:off println
       if (!log4j12Initialized) {
-        // scalastyle:off println
-        if (Utils.isInInterpreter) {
-          val replDefaultLogProps = "org/apache/spark/log4j-defaults-repl.properties"
-          Option(Utils.getSparkClassLoader.getResource(replDefaultLogProps)) match {
-            case Some(url) =>
-              PropertyConfigurator.configure(url)
-              System.err.println(s"Using Spark's repl log4j profile: $replDefaultLogProps")
-              System.err.println("To adjust logging level use sc.setLogLevel(\"INFO\")")
-            case None =>
-              System.err.println(s"Spark was unable to load $replDefaultLogProps")
-          }
-        } else {
-          val defaultLogProps = "org/apache/spark/log4j-defaults.properties"
-          Option(Utils.getSparkClassLoader.getResource(defaultLogProps)) match {
-            case Some(url) =>
-              PropertyConfigurator.configure(url)
-              System.err.println(s"Using Spark's default log4j profile: $defaultLogProps")
-            case None =>
-              System.err.println(s"Spark was unable to load $defaultLogProps")
-          }
+        val defaultLogProps = "org/apache/spark/log4j-defaults.properties"
+        Option(Utils.getSparkClassLoader.getResource(defaultLogProps)) match {
+          case Some(url) =>
+            PropertyConfigurator.configure(url)
+            System.err.println(s"Using Spark's default log4j profile: $defaultLogProps")
+          case None =>
+            System.err.println(s"Spark was unable to load $defaultLogProps")
         }
-        // scalastyle:on println
       }
+
+      if (Utils.isInInterpreter) {
+        // Use the repl's main class to define the default log level when running the shell,
+        // overriding the root logger's config if they're different.
+        val rootLogger = LogManager.getRootLogger()
+        val replLogger = LogManager.getLogger("org.apache.spark.repl.Main")
+        val replLevel = Option(replLogger.getLevel()).getOrElse(Level.WARN)
+        if (replLevel != rootLogger.getEffectiveLevel()) {
+          System.err.printf("Setting default log level to \"%s\".\n", replLevel)
+          System.err.println("To adjust logging level use sc.setLogLevel(newLevel).")
+          rootLogger.setLevel(replLevel)
+        }
+      }
+      // scalastyle:on println
     }
     Logging.initialized = true
 

http://git-wip-us.apache.org/repos/asf/spark/blob/e6dd2374/repl/scala-2.10/src/main/scala/org/apache/spark/repl/SparkILoopInit.scala
----------------------------------------------------------------------
diff --git a/repl/scala-2.10/src/main/scala/org/apache/spark/repl/SparkILoopInit.scala b/repl/scala-2.10/src/main/scala/org/apache/spark/repl/SparkILoopInit.scala
index bd3314d..99e1e1d 100644
--- a/repl/scala-2.10/src/main/scala/org/apache/spark/repl/SparkILoopInit.scala
+++ b/repl/scala-2.10/src/main/scala/org/apache/spark/repl/SparkILoopInit.scala
@@ -123,18 +123,19 @@ private[repl] trait SparkILoopInit {
   def initializeSpark() {
     intp.beQuietDuring {
       command("""
-         @transient val sc = {
-           val _sc = org.apache.spark.repl.Main.interp.createSparkContext()
-           println("Spark context available as sc.")
-           _sc
-         }
+        @transient val sc = {
+          val _sc = org.apache.spark.repl.Main.interp.createSparkContext()
+          println("Spark context available as sc " +
+            s"(master = ${_sc.master}, app id = ${_sc.applicationId}).")
+          _sc
+        }
         """)
       command("""
-         @transient val sqlContext = {
-           val _sqlContext = org.apache.spark.repl.Main.interp.createSQLContext()
-           println("SQL context available as sqlContext.")
-           _sqlContext
-         }
+        @transient val sqlContext = {
+          val _sqlContext = org.apache.spark.repl.Main.interp.createSQLContext()
+          println("SQL context available as sqlContext.")
+          _sqlContext
+        }
         """)
       command("import org.apache.spark.SparkContext._")
       command("import sqlContext.implicits._")

http://git-wip-us.apache.org/repos/asf/spark/blob/e6dd2374/repl/scala-2.11/src/main/scala/org/apache/spark/repl/SparkILoop.scala
----------------------------------------------------------------------
diff --git a/repl/scala-2.11/src/main/scala/org/apache/spark/repl/SparkILoop.scala b/repl/scala-2.11/src/main/scala/org/apache/spark/repl/SparkILoop.scala
index 33d2625..e91139f 100644
--- a/repl/scala-2.11/src/main/scala/org/apache/spark/repl/SparkILoop.scala
+++ b/repl/scala-2.11/src/main/scala/org/apache/spark/repl/SparkILoop.scala
@@ -37,18 +37,19 @@ class SparkILoop(in0: Option[BufferedReader], out: JPrintWriter)
   def initializeSpark() {
     intp.beQuietDuring {
       processLine("""
-         @transient val sc = {
-           val _sc = org.apache.spark.repl.Main.createSparkContext()
-           println("Spark context available as sc.")
-           _sc
-         }
+        @transient val sc = {
+          val _sc = org.apache.spark.repl.Main.createSparkContext()
+          println("Spark context available as sc " +
+            s"(master = ${_sc.master}, app id = ${_sc.applicationId}).")
+          _sc
+        }
         """)
       processLine("""
-         @transient val sqlContext = {
-           val _sqlContext = org.apache.spark.repl.Main.createSQLContext()
-           println("SQL context available as sqlContext.")
-           _sqlContext
-         }
+        @transient val sqlContext = {
+          val _sqlContext = org.apache.spark.repl.Main.createSQLContext()
+          println("SQL context available as sqlContext.")
+          _sqlContext
+        }
         """)
       processLine("import org.apache.spark.SparkContext._")
       processLine("import sqlContext.implicits._")
@@ -85,7 +86,7 @@ class SparkILoop(in0: Option[BufferedReader], out: JPrintWriter)
   /** Available commands */
   override def commands: List[LoopCommand] = sparkStandardCommands
 
-  /** 
+  /**
    * We override `loadFiles` because we need to initialize Spark *before* the REPL
    * sees any files, so that the Spark context is visible in those files. This is a bit of
a
    * hack, but there isn't another hook available to us at this point.
@@ -98,7 +99,7 @@ class SparkILoop(in0: Option[BufferedReader], out: JPrintWriter)
 
 object SparkILoop {
 
-  /** 
+  /**
    * Creates an interpreter loop with default settings and feeds
    * the given code to it as input.
    */


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