Repository: incubator-samza
Updated Branches:
  refs/heads/master df8436ddb -> a7b1282b0


SAMZA-361: Remove Grizzled SLF4J


Project: http://git-wip-us.apache.org/repos/asf/incubator-samza/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-samza/commit/a7b1282b
Tree: http://git-wip-us.apache.org/repos/asf/incubator-samza/tree/a7b1282b
Diff: http://git-wip-us.apache.org/repos/asf/incubator-samza/diff/a7b1282b

Branch: refs/heads/master
Commit: a7b1282b05db88aec1e4aa70a5abaf44fb9fccd9
Parents: df8436d
Author: Yan Fang <[email protected]>
Authored: Fri Aug 22 09:16:04 2014 -0700
Committer: Yan Fang <[email protected]>
Committed: Fri Aug 22 09:16:04 2014 -0700

----------------------------------------------------------------------
 build.gradle                                    |   9 +-
 gradle/dependency-versions-scala-2.10.gradle    |   1 -
 gradle/dependency-versions-scala-2.9.2.gradle   |   1 -
 .../samza/checkpoint/CheckpointTool.scala       |   2 +-
 .../apache/samza/checkpoint/OffsetManager.scala |   2 +-
 .../org/apache/samza/config/StorageConfig.scala |   2 +-
 .../org/apache/samza/config/StreamConfig.scala  |   2 +-
 .../org/apache/samza/config/SystemConfig.scala  |   3 +-
 .../factories/PropertiesConfigFactory.scala     |   2 +-
 .../org/apache/samza/container/RunLoop.scala    |   2 +-
 .../apache/samza/container/SamzaContainer.scala |   2 +-
 .../apache/samza/container/TaskInstance.scala   |   2 +-
 .../TaskNamesToSystemStreamPartitions.scala     |   2 +-
 .../scala/org/apache/samza/job/JobRunner.scala  |   2 +-
 .../org/apache/samza/job/local/ProcessJob.scala |   2 +-
 .../samza/job/local/ProcessJobFactory.scala     |   2 +-
 .../org/apache/samza/job/local/ThreadJob.scala  |   2 +-
 .../samza/job/local/ThreadJobFactory.scala      |   2 +-
 .../org/apache/samza/metrics/JmxServer.scala    |   2 +-
 .../org/apache/samza/metrics/JvmMetrics.scala   |   2 +-
 .../samza/metrics/MetricsRegistryMap.scala      |   2 +-
 .../samza/metrics/reporter/JmxReporter.scala    |   2 +-
 .../reporter/MetricsSnapshotReporter.scala      |   2 +-
 .../MetricsSnapshotReporterFactory.scala        |   2 +-
 .../samza/serializers/CheckpointSerde.scala     |   2 +-
 .../samza/storage/TaskStorageManager.scala      |   2 +-
 .../samza/system/StreamMetadataCache.scala      |   2 +-
 .../apache/samza/system/SystemConsumers.scala   |   2 +-
 .../apache/samza/system/SystemProducers.scala   |   2 +-
 .../samza/system/chooser/BatchingChooser.scala  |   2 +-
 .../system/chooser/BootstrappingChooser.scala   |   2 +-
 .../samza/system/chooser/DefaultChooser.scala   |   2 +-
 .../system/chooser/TieredPriorityChooser.scala  |   2 +-
 .../filereader/FileReaderSystemAdmin.scala      |   2 +-
 .../filereader/FileReaderSystemConsumer.scala   |   2 +-
 .../samza/task/TaskInstanceCollector.scala      |   2 +-
 .../scala/org/apache/samza/util/Logging.scala   | 136 +++++++++++++++++++
 .../main/scala/org/apache/samza/util/Util.scala |   1 -
 .../apache/samza/metrics/TestJmxServer.scala    |   2 +-
 .../kafka/KafkaCheckpointManager.scala          |   2 +-
 .../kafka/KafkaCheckpointManagerFactory.scala   |   2 +-
 .../samza/config/RegExTopicGenerator.scala      |   2 +-
 .../apache/samza/system/kafka/BrokerProxy.scala |   2 +-
 .../apache/samza/system/kafka/GetOffset.scala   |   2 +-
 .../samza/system/kafka/KafkaSystemAdmin.scala   |   2 +-
 .../system/kafka/KafkaSystemConsumer.scala      |   2 +-
 .../system/kafka/KafkaSystemProducer.scala      |   2 +-
 .../samza/system/kafka/TopicMetadataCache.scala |   2 +-
 .../util/ClientUtilTopicMetadataStore.scala     |   2 +-
 .../samza/system/kafka/TestBrokerProxy.scala    |   2 +-
 .../kv/inmemory/InMemoryKeyValueStore.scala     |   2 +-
 .../samza/storage/kv/LevelDbKeyValueStore.scala |   7 +-
 .../apache/samza/storage/kv/CachedStore.scala   |   2 +-
 .../storage/kv/KeyValueStorageEngine.scala      |   2 +-
 .../apache/samza/storage/kv/LoggedStore.scala   |   2 +-
 .../storage/kv/SerializedKeyValueStore.scala    |   2 +-
 .../performance/TestKeyValuePerformance.scala   |   2 +-
 .../test/performance/TestPerformanceTask.scala  |   2 +-
 .../TestSamzaContainerPerformance.scala         |   2 +-
 .../apache/samza/job/yarn/ClientHelper.scala    |   2 +-
 .../apache/samza/job/yarn/SamzaAppMaster.scala  |   2 +-
 .../job/yarn/SamzaAppMasterLifecycle.scala      |   2 +-
 .../samza/job/yarn/SamzaAppMasterMetrics.scala  |   2 +-
 .../samza/job/yarn/SamzaAppMasterService.scala  |   2 +-
 .../samza/job/yarn/SamzaAppMasterState.scala    |   2 +-
 .../job/yarn/SamzaAppMasterTaskManager.scala    |   2 +-
 .../samza/util/hadoop/HttpFileSystem.scala      |   2 +-
 67 files changed, 201 insertions(+), 77 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/build.gradle
----------------------------------------------------------------------
diff --git a/build.gradle b/build.gradle
index 357bb0e..ef527d9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -112,7 +112,7 @@ project(":samza-core_$scalaVersion") {
   dependencies {
     compile project(':samza-api')
     compile "org.scala-lang:scala-library:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
+    compile "org.slf4j:slf4j-api:$slf4jVersion"
     compile "net.sf.jopt-simple:jopt-simple:$joptSimpleVersion"
     compile "org.codehaus.jackson:jackson-jaxrs:$jacksonVersion"
 
@@ -140,7 +140,6 @@ project(":samza-kafka_$scalaVersion") {
     compile project(":samza-core_$scalaVersion")
     compile project(":samza-serializers_$scalaVersion")
     compile "org.scala-lang:scala-library:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
     compile "com.101tec:zkclient:$zkClientVersion"
     compile "org.apache.zookeeper:zookeeper:$zookeeperVersion"
     compile "org.codehaus.jackson:jackson-jaxrs:$jacksonVersion"
@@ -178,7 +177,6 @@ project(":samza-serializers_$scalaVersion") {
     compile project(':samza-api')
     compile project(":samza-core_$scalaVersion")
     compile "org.scala-lang:scala-library:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
     compile "org.codehaus.jackson:jackson-jaxrs:$jacksonVersion"
     testCompile "junit:junit:$junitVersion"
   }
@@ -193,7 +191,6 @@ project(":samza-yarn_$scalaVersion") {
     compile project(":samza-core_$scalaVersion")
     compile "org.scala-lang:scala-library:$scalaLibVersion"
     compile "org.scala-lang:scala-compiler:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
     compile "org.codehaus.jackson:jackson-jaxrs:$jacksonVersion"
     compile "commons-httpclient:commons-httpclient:$commonsHttpClientVersion"
     compile "org.eclipse.jetty:jetty-webapp:$jettyVersion"
@@ -307,7 +304,6 @@ project(":samza-kv_$scalaVersion") {
     compile project(':samza-api')
     compile project(":samza-core_$scalaVersion")
     compile "org.scala-lang:scala-library:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
     testCompile "junit:junit:$junitVersion"
   }
 }
@@ -320,7 +316,6 @@ project(":samza-kv-inmemory_$scalaVersion") {
     compile project(":samza-core_$scalaVersion")
     compile project(":samza-kv_$scalaVersion")
     compile "org.scala-lang:scala-library:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
     compile "com.google.guava:guava:$guavaVersion"
     testCompile "junit:junit:$junitVersion"
   }
@@ -335,7 +330,6 @@ project(":samza-kv-leveldb_$scalaVersion") {
     compile project(":samza-kv_$scalaVersion")
     compile project(":samza-kv-inmemory_$scalaVersion")
     compile "org.scala-lang:scala-library:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
     compile "org.fusesource.leveldbjni:leveldbjni-all:$leveldbVersion"
     testCompile "junit:junit:$junitVersion"
     testCompile "org.scalatest:scalatest_$scalaVersion:$scalaTestVersion"
@@ -357,7 +351,6 @@ project(":samza-test_$scalaVersion") {
     compile project(":samza-kv-leveldb_$scalaVersion")
     compile project(":samza-core_$scalaVersion")
     compile "org.scala-lang:scala-library:$scalaLibVersion"
-    compile "org.clapper:grizzled-slf4j_$scalaVersion:$grizzledVersion"
     compile "net.sf.jopt-simple:jopt-simple:$joptSimpleVersion"
     compile "javax.mail:mail:1.4"
     compile "junit:junit:$junitVersion"

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/gradle/dependency-versions-scala-2.10.gradle
----------------------------------------------------------------------
diff --git a/gradle/dependency-versions-scala-2.10.gradle 
b/gradle/dependency-versions-scala-2.10.gradle
index ba54099..f12beaf 100644
--- a/gradle/dependency-versions-scala-2.10.gradle
+++ b/gradle/dependency-versions-scala-2.10.gradle
@@ -24,7 +24,6 @@ ext {
   // -language:implicitConversions: Allow the use of implicit conversions 
without warning or library import
   // -language:reflectiveCalls: Allow the automatic use of reflection to 
access fields without warning or library import
   scalaOptions = "-feature -language:implicitConversions 
-language:reflectiveCalls"
-  grizzledVersion = "1.0.1"
   scalatraVersion = "2.2.1"
   jettyVersion = "8.1.8.v20121106"
 }

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/gradle/dependency-versions-scala-2.9.2.gradle
----------------------------------------------------------------------
diff --git a/gradle/dependency-versions-scala-2.9.2.gradle 
b/gradle/dependency-versions-scala-2.9.2.gradle
index 78d000f..8e75bac 100644
--- a/gradle/dependency-versions-scala-2.9.2.gradle
+++ b/gradle/dependency-versions-scala-2.9.2.gradle
@@ -20,7 +20,6 @@ ext {
   scalaVersion = "2.9.2"
   scalaLibVersion = "2.9.2"
   scalaOptions = ""
-  grizzledVersion = "0.6.10"
   scalatraVersion = "2.2.1"
   jettyVersion = "8.1.8.v20121106"
 }

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/checkpoint/CheckpointTool.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/checkpoint/CheckpointTool.scala 
b/samza-core/src/main/scala/org/apache/samza/checkpoint/CheckpointTool.scala
index 84ea4ca..64a5078 100644
--- a/samza-core/src/main/scala/org/apache/samza/checkpoint/CheckpointTool.scala
+++ b/samza-core/src/main/scala/org/apache/samza/checkpoint/CheckpointTool.scala
@@ -19,7 +19,6 @@
 
 package org.apache.samza.checkpoint
 
-import grizzled.slf4j.Logging
 import java.net.URI
 import java.util.regex.Pattern
 import joptsimple.OptionSet
@@ -32,6 +31,7 @@ import org.apache.samza.system.SystemStreamPartition
 import org.apache.samza.util.{CommandLine, Util}
 import org.apache.samza.{Partition, SamzaException}
 import scala.collection.JavaConversions._
+import org.apache.samza.util.Logging
 
 /**
  * Command-line tool for inspecting and manipulating the checkpoints for a job.

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/checkpoint/OffsetManager.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/checkpoint/OffsetManager.scala 
b/samza-core/src/main/scala/org/apache/samza/checkpoint/OffsetManager.scala
index 4efe997..80c8d0e 100644
--- a/samza-core/src/main/scala/org/apache/samza/checkpoint/OffsetManager.scala
+++ b/samza-core/src/main/scala/org/apache/samza/checkpoint/OffsetManager.scala
@@ -25,7 +25,7 @@ import org.apache.samza.system.SystemStreamMetadata
 import org.apache.samza.system.SystemStreamMetadata.OffsetType
 import org.apache.samza.SamzaException
 import scala.collection.JavaConversions._
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.config.Config
 import org.apache.samza.config.StreamConfig.Config2Stream
 import org.apache.samza.config.SystemConfig.Config2System

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/config/StorageConfig.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/config/StorageConfig.scala 
b/samza-core/src/main/scala/org/apache/samza/config/StorageConfig.scala
index abcb034..f977b8b 100644
--- a/samza-core/src/main/scala/org/apache/samza/config/StorageConfig.scala
+++ b/samza-core/src/main/scala/org/apache/samza/config/StorageConfig.scala
@@ -21,7 +21,7 @@ package org.apache.samza.config
 
 import scala.collection.JavaConversions._
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 object StorageConfig {
   // stream config constants

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/config/StreamConfig.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/config/StreamConfig.scala 
b/samza-core/src/main/scala/org/apache/samza/config/StreamConfig.scala
index d71ead1..adef09e 100644
--- a/samza-core/src/main/scala/org/apache/samza/config/StreamConfig.scala
+++ b/samza-core/src/main/scala/org/apache/samza/config/StreamConfig.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.config
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import scala.collection.JavaConversions._
 import org.apache.samza.SamzaException
 import org.apache.samza.util.Util

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/config/SystemConfig.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/config/SystemConfig.scala 
b/samza-core/src/main/scala/org/apache/samza/config/SystemConfig.scala
index 4cfdcc2..bf974df 100644
--- a/samza-core/src/main/scala/org/apache/samza/config/SystemConfig.scala
+++ b/samza-core/src/main/scala/org/apache/samza/config/SystemConfig.scala
@@ -20,8 +20,7 @@
 package org.apache.samza.config
 
 import scala.collection.JavaConversions._
-
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 object SystemConfig {
   // system config constants

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/config/factories/PropertiesConfigFactory.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/config/factories/PropertiesConfigFactory.scala
 
b/samza-core/src/main/scala/org/apache/samza/config/factories/PropertiesConfigFactory.scala
index 768cfa4..ea91872 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/config/factories/PropertiesConfigFactory.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/config/factories/PropertiesConfigFactory.scala
@@ -25,7 +25,7 @@ import scala.collection.JavaConversions._
 import org.apache.samza.config.Config
 import org.apache.samza.config.ConfigFactory
 import org.apache.samza.config.MapConfig
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 
 class PropertiesConfigFactory extends ConfigFactory with Logging {

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/container/RunLoop.scala
----------------------------------------------------------------------
diff --git a/samza-core/src/main/scala/org/apache/samza/container/RunLoop.scala 
b/samza-core/src/main/scala/org/apache/samza/container/RunLoop.scala
index 6862460..499f5c6 100644
--- a/samza-core/src/main/scala/org/apache/samza/container/RunLoop.scala
+++ b/samza-core/src/main/scala/org/apache/samza/container/RunLoop.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.container
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.system.{ SystemStreamPartition, SystemConsumers }
 import org.apache.samza.task.ReadableCoordinator
 import org.apache.samza.util.TimerUtils

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/container/SamzaContainer.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/container/SamzaContainer.scala 
b/samza-core/src/main/scala/org/apache/samza/container/SamzaContainer.scala
index 04edf50..3288bf7 100644
--- a/samza-core/src/main/scala/org/apache/samza/container/SamzaContainer.scala
+++ b/samza-core/src/main/scala/org/apache/samza/container/SamzaContainer.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.container
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.io.File
 import org.apache.samza.Partition
 import org.apache.samza.SamzaException

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/container/TaskInstance.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/container/TaskInstance.scala 
b/samza-core/src/main/scala/org/apache/samza/container/TaskInstance.scala
index 92d48eb..b86fb0d 100644
--- a/samza-core/src/main/scala/org/apache/samza/container/TaskInstance.scala
+++ b/samza-core/src/main/scala/org/apache/samza/container/TaskInstance.scala
@@ -21,7 +21,7 @@ package org.apache.samza.container
 
 import org.apache.samza.metrics.MetricsReporter
 import org.apache.samza.config.Config
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.storage.TaskStorageManager
 import org.apache.samza.system.SystemStreamPartition
 import org.apache.samza.task.TaskContext

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/container/TaskNamesToSystemStreamPartitions.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/container/TaskNamesToSystemStreamPartitions.scala
 
b/samza-core/src/main/scala/org/apache/samza/container/TaskNamesToSystemStreamPartitions.scala
index 427119e..da15346 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/container/TaskNamesToSystemStreamPartitions.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/container/TaskNamesToSystemStreamPartitions.scala
@@ -18,7 +18,7 @@
  */
 package org.apache.samza.container
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 import org.apache.samza.system.{SystemStream, SystemStreamPartition}
 import scala.collection.{immutable, Map, MapLike}

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/job/JobRunner.scala
----------------------------------------------------------------------
diff --git a/samza-core/src/main/scala/org/apache/samza/job/JobRunner.scala 
b/samza-core/src/main/scala/org/apache/samza/job/JobRunner.scala
index 19c9538..16345cd 100644
--- a/samza-core/src/main/scala/org/apache/samza/job/JobRunner.scala
+++ b/samza-core/src/main/scala/org/apache/samza/job/JobRunner.scala
@@ -26,7 +26,7 @@ import 
org.apache.samza.config.factories.PropertiesConfigFactory
 import org.apache.samza.job.ApplicationStatus.Running
 import org.apache.samza.util.Util
 import org.apache.samza.util.CommandLine
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import scala.collection.JavaConversions._
 
 object JobRunner extends Logging {

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJob.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJob.scala 
b/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJob.scala
index a9ecd97..c8d8bb8 100644
--- a/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJob.scala
+++ b/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJob.scala
@@ -25,7 +25,7 @@ import org.apache.samza.job.ApplicationStatus.SuccessfulFinish
 import org.apache.samza.job.ApplicationStatus.UnsuccessfulFinish
 import org.apache.samza.job.ApplicationStatus
 import org.apache.samza.job.StreamJob
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.util.concurrent.CountDownLatch
 import java.io.BufferedReader
 import java.io.InputStreamReader

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJobFactory.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJobFactory.scala 
b/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJobFactory.scala
index 74b9367..8125cbb 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJobFactory.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/job/local/ProcessJobFactory.scala
@@ -20,7 +20,7 @@
 package org.apache.samza.job.local
 
 import org.apache.samza.container.{TaskNamesToSystemStreamPartitions, 
SamzaContainer}
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 import org.apache.samza.config.Config
 import org.apache.samza.config.TaskConfig._

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJob.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJob.scala 
b/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJob.scala
index 0acc3de..63754c5 100644
--- a/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJob.scala
+++ b/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJob.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.job.local
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.job.StreamJob
 import org.apache.samza.job.ApplicationStatus
 import org.apache.samza.job.ApplicationStatus.New

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJobFactory.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJobFactory.scala 
b/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJobFactory.scala
index c0ea0af..766df76 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJobFactory.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/job/local/ThreadJobFactory.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.job.local
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 import org.apache.samza.config.Config
 import org.apache.samza.config.ShellCommandConfig._

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/metrics/JmxServer.scala
----------------------------------------------------------------------
diff --git a/samza-core/src/main/scala/org/apache/samza/metrics/JmxServer.scala 
b/samza-core/src/main/scala/org/apache/samza/metrics/JmxServer.scala
index 0ff88e7..f343faf 100644
--- a/samza-core/src/main/scala/org/apache/samza/metrics/JmxServer.scala
+++ b/samza-core/src/main/scala/org/apache/samza/metrics/JmxServer.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.metrics
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.rmi.server.RMIServerSocketFactory
 import java.net.{ InetAddress, ServerSocket }
 import java.rmi.registry.LocateRegistry

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/metrics/JvmMetrics.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/metrics/JvmMetrics.scala 
b/samza-core/src/main/scala/org/apache/samza/metrics/JvmMetrics.scala
index ed1e8af..a95a0ec 100644
--- a/samza-core/src/main/scala/org/apache/samza/metrics/JvmMetrics.scala
+++ b/samza-core/src/main/scala/org/apache/samza/metrics/JvmMetrics.scala
@@ -25,7 +25,7 @@ import scala.collection.JavaConversions._
 import java.lang.Thread.State._
 import java.util.concurrent.Executors
 import java.util.concurrent.TimeUnit
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.util.DaemonThreadFactory
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/metrics/MetricsRegistryMap.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/metrics/MetricsRegistryMap.scala 
b/samza-core/src/main/scala/org/apache/samza/metrics/MetricsRegistryMap.scala
index aac241b..40ffee2 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/metrics/MetricsRegistryMap.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/metrics/MetricsRegistryMap.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.metrics
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.util.concurrent.ConcurrentHashMap
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/JmxReporter.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/metrics/reporter/JmxReporter.scala 
b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/JmxReporter.scala
index d66efc2..e966102 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/metrics/reporter/JmxReporter.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/JmxReporter.scala
@@ -20,7 +20,7 @@
 package org.apache.samza.metrics.reporter
 
 import java.lang.management.ManagementFactory
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import javax.management.MBeanServer
 import javax.management.ObjectName
 import org.apache.samza.config.Config

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporter.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporter.scala
 
b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporter.scala
index 319c74d..b6696f8 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporter.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporter.scala
@@ -22,7 +22,7 @@ package org.apache.samza.metrics.reporter
 import java.util.HashMap
 import java.util.Map
 import scala.collection.JavaConversions._
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.metrics.Counter
 import org.apache.samza.metrics.Gauge
 import org.apache.samza.metrics.Timer

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporterFactory.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporterFactory.scala
 
b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporterFactory.scala
index 9711043..dcf0435 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporterFactory.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/metrics/reporter/MetricsSnapshotReporterFactory.scala
@@ -20,7 +20,7 @@
 package org.apache.samza.metrics.reporter
 
 import java.net.InetAddress
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 import org.apache.samza.config.Config
 import org.apache.samza.config.JobConfig.Config2Job

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/serializers/CheckpointSerde.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/serializers/CheckpointSerde.scala 
b/samza-core/src/main/scala/org/apache/samza/serializers/CheckpointSerde.scala
index 34c846c..fd8455a 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/serializers/CheckpointSerde.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/serializers/CheckpointSerde.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.serializers
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.util
 import org.apache.samza.checkpoint.Checkpoint
 import org.apache.samza.container.TaskName

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/storage/TaskStorageManager.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/storage/TaskStorageManager.scala 
b/samza-core/src/main/scala/org/apache/samza/storage/TaskStorageManager.scala
index 0cfdbb3..b8719c3 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/storage/TaskStorageManager.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/storage/TaskStorageManager.scala
@@ -21,7 +21,7 @@ package org.apache.samza.storage
 
 import java.io.File
 import scala.collection.Map
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.Partition
 import org.apache.samza.system.SystemConsumer
 import org.apache.samza.system.SystemStream

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/StreamMetadataCache.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/StreamMetadataCache.scala 
b/samza-core/src/main/scala/org/apache/samza/system/StreamMetadataCache.scala
index 7f8bca7..155c3d1 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/system/StreamMetadataCache.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/system/StreamMetadataCache.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.system
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 import org.apache.samza.util.{Clock, SystemClock}
 import scala.collection.JavaConversions._

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/SystemConsumers.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/SystemConsumers.scala 
b/samza-core/src/main/scala/org/apache/samza/system/SystemConsumers.scala
index deb966b..125d376 100644
--- a/samza-core/src/main/scala/org/apache/samza/system/SystemConsumers.scala
+++ b/samza-core/src/main/scala/org/apache/samza/system/SystemConsumers.scala
@@ -21,7 +21,7 @@ package org.apache.samza.system
 
 import scala.collection.JavaConversions._
 import org.apache.samza.serializers.SerdeManager
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.system.chooser.MessageChooser
 import org.apache.samza.SamzaException
 import java.util.HashMap

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/SystemProducers.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/SystemProducers.scala 
b/samza-core/src/main/scala/org/apache/samza/system/SystemProducers.scala
index 928b47e..a022b2e 100644
--- a/samza-core/src/main/scala/org/apache/samza/system/SystemProducers.scala
+++ b/samza-core/src/main/scala/org/apache/samza/system/SystemProducers.scala
@@ -20,7 +20,7 @@
 package org.apache.samza.system
 
 import org.apache.samza.serializers.SerdeManager
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 
 class SystemProducers(

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/chooser/BatchingChooser.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/BatchingChooser.scala
 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/BatchingChooser.scala
index 7120e62..b08817c 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/BatchingChooser.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/BatchingChooser.scala
@@ -24,7 +24,7 @@ import org.apache.samza.system.IncomingMessageEnvelope
 import org.apache.samza.metrics.MetricsHelper
 import org.apache.samza.metrics.MetricsRegistryMap
 import org.apache.samza.metrics.MetricsRegistry
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 /**
  * BatchingChooser provides a batching functionality on top of an existing

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/chooser/BootstrappingChooser.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/BootstrappingChooser.scala
 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/BootstrappingChooser.scala
index ad21a08..dd500b9 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/BootstrappingChooser.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/BootstrappingChooser.scala
@@ -23,7 +23,7 @@ import java.util.concurrent.atomic.AtomicInteger
 import org.apache.samza.system.SystemStream
 import org.apache.samza.system.SystemStreamPartition
 import org.apache.samza.system.IncomingMessageEnvelope
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.metrics.MetricsHelper
 import org.apache.samza.metrics.MetricsRegistryMap
 import org.apache.samza.metrics.MetricsRegistry

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/chooser/DefaultChooser.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/DefaultChooser.scala
 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/DefaultChooser.scala
index 52b8fc4..95bd188 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/DefaultChooser.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/DefaultChooser.scala
@@ -34,7 +34,7 @@ import org.apache.samza.system.SystemAdmin
 import org.apache.samza.metrics.MetricsRegistry
 import org.apache.samza.metrics.MetricsRegistryMap
 import org.apache.samza.system.SystemStreamMetadata
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 object DefaultChooser extends Logging {
   def apply(inputStreamMetadata: Map[SystemStream, SystemStreamMetadata], 
chooserFactory: MessageChooserFactory, config: Config, registry: 
MetricsRegistry) = {

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/chooser/TieredPriorityChooser.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/TieredPriorityChooser.scala
 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/TieredPriorityChooser.scala
index e4232d3..6a3980e 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/system/chooser/TieredPriorityChooser.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/system/chooser/TieredPriorityChooser.scala
@@ -24,7 +24,7 @@ import org.apache.samza.SamzaException
 import org.apache.samza.system.SystemStream
 import org.apache.samza.system.IncomingMessageEnvelope
 import org.apache.samza.system.SystemStreamPartition
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 /**
  * TieredPriorityChooser groups messages into priority tiers. Each priority

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemAdmin.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemAdmin.scala
 
b/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemAdmin.scala
index 9c99a59..98e92bc 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemAdmin.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemAdmin.scala
@@ -27,7 +27,7 @@ import scala.collection.JavaConversions._
 import java.io.RandomAccessFile
 import scala.util.control.Breaks
 import org.apache.samza.Partition
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 
 class FileReaderSystemAdmin extends SystemAdmin with Logging {

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemConsumer.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemConsumer.scala
 
b/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemConsumer.scala
index c0e1bb6..61dfd33 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemConsumer.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/system/filereader/FileReaderSystemConsumer.scala
@@ -34,7 +34,7 @@ import java.util.concurrent.Executors
 import java.util.concurrent.ExecutorService
 import org.apache.samza.util.DaemonThreadFactory
 import org.apache.samza.SamzaException
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 object FileReaderSystemConsumer {
   /**

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/task/TaskInstanceCollector.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/main/scala/org/apache/samza/task/TaskInstanceCollector.scala 
b/samza-core/src/main/scala/org/apache/samza/task/TaskInstanceCollector.scala
index ec6b6f4..3b91180 100644
--- 
a/samza-core/src/main/scala/org/apache/samza/task/TaskInstanceCollector.scala
+++ 
b/samza-core/src/main/scala/org/apache/samza/task/TaskInstanceCollector.scala
@@ -22,7 +22,7 @@ package org.apache.samza.task
 import org.apache.samza.system.OutgoingMessageEnvelope
 import org.apache.samza.system.SystemProducers
 import org.apache.samza.container.TaskInstanceMetrics
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 /**
  * TaskInstanceCollector is an implementation of MessageCollector that sends

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/util/Logging.scala
----------------------------------------------------------------------
diff --git a/samza-core/src/main/scala/org/apache/samza/util/Logging.scala 
b/samza-core/src/main/scala/org/apache/samza/util/Logging.scala
new file mode 100644
index 0000000..250de1e
--- /dev/null
+++ b/samza-core/src/main/scala/org/apache/samza/util/Logging.scala
@@ -0,0 +1,136 @@
+/*
+ * 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.
+ */
+
+package org.apache.samza.util
+
+import org.slf4j.LoggerFactory
+import org.slf4j.MDC
+
+trait Logging {
+  val loggerName = this.getClass.getName
+  lazy val logger = LoggerFactory.getLogger(loggerName)
+
+  def trace(message: => Any): Unit = {
+    if (logger.isTraceEnabled()) {
+      logger.trace(message.toString)
+    }
+  }
+
+  def trace(message: => Any, e: => Throwable) = {
+    if (logger.isTraceEnabled()) {
+      logger.trace(message, e)
+    }
+  }
+
+  def debug(message: => Any): Unit = {
+    if (logger.isDebugEnabled()) {
+      logger.debug(message.toString)
+    }
+  }
+
+  def debug(message: => Any, e: => Throwable) = {
+    if (logger.isDebugEnabled()) {
+      logger.debug(message, e)
+    }
+  }
+
+  def info(message: => Any): Unit = {
+    if (logger.isInfoEnabled()) {
+      logger.info(message.toString)
+    }
+  }
+
+  def info(message: => Any, e: => Throwable) = {
+    if (logger.isInfoEnabled()) {
+      logger.info(message, e)
+    }
+  }
+
+  def warn(message: => Any): Unit = {
+    logger.warn(message.toString)
+  }
+
+  def warn(message: => Any, e: => Throwable) = {
+    logger.warn(message, e)
+  }
+
+  def error(message: => Any): Unit = {
+    logger.error(message.toString)
+  }
+
+  def error(message: => Any, e: => Throwable) = {
+    logger.error(message, e)
+  }
+
+  /**
+   * Put a diagnostic context value (the value parameter)
+   * and its key into the current thread's diagnostic
+   * context map.
+   *
+   * @param key non-null key
+   * @param value value for the key
+   *
+   * @throws IllegalArgumentException if key is null
+   */
+  def putMDC(key: => String, value: => String) = {
+    MDC.put(key, value)
+  }
+
+  /**
+   * Get the diagnostic context based on the key.
+   *
+   * @param key non-null key
+   *
+   * @throws IllegalArgumentException if key is null
+   */
+  def getMDC(key: => String) = {
+    MDC.get(key)
+  }
+
+  /**
+   * Remove the diagnostic context identified by the key.
+   * This method does not do anything if there is no previous
+   * value for this key
+   *
+   * @param key non-null key
+   *
+   * @throws IllegalArgumentException if key is null
+   */
+  def removeMDC(key: => String) = {
+    MDC.remove(key)
+  }
+
+  /**
+   * Clear all the entries in MDC
+   */
+  def clearMDC = {
+    MDC.clear
+  }
+
+  /**
+   * Converts any type into a String. If the message object is null,
+   * returns a "<null>" String. Otherwise, calls "toString" of the
+   * object.
+   */
+  private implicit def _anytype2String(message: Any): String =
+    message match {
+      case null => "<null>"
+      case _ => message.toString
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/main/scala/org/apache/samza/util/Util.scala
----------------------------------------------------------------------
diff --git a/samza-core/src/main/scala/org/apache/samza/util/Util.scala 
b/samza-core/src/main/scala/org/apache/samza/util/Util.scala
index 16ad5a2..7d50352 100644
--- a/samza-core/src/main/scala/org/apache/samza/util/Util.scala
+++ b/samza-core/src/main/scala/org/apache/samza/util/Util.scala
@@ -19,7 +19,6 @@
 
 package org.apache.samza.util
 
-import grizzled.slf4j.Logging
 import java.io._
 import java.lang.management.ManagementFactory
 import java.util

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-core/src/test/scala/org/apache/samza/metrics/TestJmxServer.scala
----------------------------------------------------------------------
diff --git 
a/samza-core/src/test/scala/org/apache/samza/metrics/TestJmxServer.scala 
b/samza-core/src/test/scala/org/apache/samza/metrics/TestJmxServer.scala
index d425e86..f01117d 100644
--- a/samza-core/src/test/scala/org/apache/samza/metrics/TestJmxServer.scala
+++ b/samza-core/src/test/scala/org/apache/samza/metrics/TestJmxServer.scala
@@ -21,7 +21,7 @@ package org.apache.samza.metrics
 
 import org.junit.Assert._
 import org.junit.Test
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import javax.management.remote.{JMXConnector, JMXConnectorFactory, 
JMXServiceURL}
 import java.io.IOException
 

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManager.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManager.scala
 
b/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManager.scala
index fff62e4..f3e954a 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManager.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManager.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.checkpoint.kafka
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.nio.ByteBuffer
 import java.util
 import kafka.admin.AdminUtils

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManagerFactory.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManagerFactory.scala
 
b/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManagerFactory.scala
index 087c6ad..977330f 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManagerFactory.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/checkpoint/kafka/KafkaCheckpointManagerFactory.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.checkpoint.kafka
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import kafka.producer.Producer
 import kafka.utils.ZKStringSerializer
 import org.I0Itec.zkclient.ZkClient

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/config/RegExTopicGenerator.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/config/RegExTopicGenerator.scala 
b/samza-kafka/src/main/scala/org/apache/samza/config/RegExTopicGenerator.scala
index 90e4041..a34c3f2 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/config/RegExTopicGenerator.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/config/RegExTopicGenerator.scala
@@ -24,7 +24,7 @@ import kafka.utils.{ ZkUtils, ZKStringSerializer }
 import org.apache.samza.config.KafkaConfig.{ Config2Kafka, 
REGEX_RESOLVED_STREAMS }
 import org.apache.samza.SamzaException
 import collection.JavaConversions._
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import scala.collection._
 import org.apache.samza.config.TaskConfig.Config2Task
 import org.apache.samza.system.SystemStream

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/BrokerProxy.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/BrokerProxy.scala 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/BrokerProxy.scala
index f094fa0..7604193 100644
--- a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/BrokerProxy.scala
+++ b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/BrokerProxy.scala
@@ -26,7 +26,7 @@ import kafka.common.{NotLeaderForPartitionException, 
UnknownTopicOrPartitionExce
 import java.util.concurrent.{ConcurrentHashMap, CountDownLatch}
 import scala.collection.JavaConversions._
 import kafka.message.MessageSet
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.nio.channels.ClosedByInterruptException
 import java.util.Map.Entry
 import scala.collection.mutable

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/GetOffset.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/GetOffset.scala 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/GetOffset.scala
index 26fc187..147aabc 100644
--- a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/GetOffset.scala
+++ b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/GetOffset.scala
@@ -25,7 +25,7 @@ import kafka.common.{ OffsetOutOfRangeException, ErrorMapping 
}
 import kafka.api._
 import kafka.common.TopicAndPartition
 import kafka.api.PartitionOffsetRequestInfo
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import kafka.message.MessageAndOffset
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemAdmin.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemAdmin.scala
 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemAdmin.scala
index 662df99..5ac33ea 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemAdmin.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemAdmin.scala
@@ -33,7 +33,7 @@ import kafka.client.ClientUtils
 import kafka.common.TopicAndPartition
 import kafka.common.ErrorMapping
 import kafka.cluster.Broker
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.util.UUID
 import scala.collection.JavaConversions._
 import 
org.apache.samza.system.SystemStreamMetadata.SystemStreamPartitionMetadata

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemConsumer.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemConsumer.scala
 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemConsumer.scala
index 2163d57..4918e3e 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemConsumer.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemConsumer.scala
@@ -20,7 +20,7 @@
 package org.apache.samza.system.kafka
 
 import kafka.common.TopicAndPartition
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import kafka.message.MessageAndOffset
 import org.apache.samza.Partition
 import kafka.utils.Utils

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemProducer.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemProducer.scala
 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemProducer.scala
index 3264cbd..a0e1ccb 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemProducer.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/KafkaSystemProducer.scala
@@ -20,7 +20,7 @@
 package org.apache.samza.system.kafka
 
 import scala.collection.mutable.ArrayBuffer
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import kafka.producer.KeyedMessage
 import kafka.producer.Producer
 import org.apache.samza.system.SystemProducer

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/TopicMetadataCache.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/TopicMetadataCache.scala
 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/TopicMetadataCache.scala
index 9553050..4a49d22 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/system/kafka/TopicMetadataCache.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/system/kafka/TopicMetadataCache.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.system.kafka
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import kafka.api.TopicMetadata
 import kafka.common.ErrorMapping
 

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/main/scala/org/apache/samza/util/ClientUtilTopicMetadataStore.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/main/scala/org/apache/samza/util/ClientUtilTopicMetadataStore.scala
 
b/samza-kafka/src/main/scala/org/apache/samza/util/ClientUtilTopicMetadataStore.scala
index 0bc1867..1f415d2 100644
--- 
a/samza-kafka/src/main/scala/org/apache/samza/util/ClientUtilTopicMetadataStore.scala
+++ 
b/samza-kafka/src/main/scala/org/apache/samza/util/ClientUtilTopicMetadataStore.scala
@@ -22,7 +22,7 @@ package org.apache.samza.util
 import kafka.api.{ TopicMetadataResponse, TopicMetadata }
 import org.apache.samza.SamzaException
 import kafka.client.ClientUtils
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import kafka.common.ErrorMapping
 import kafka.cluster.Broker
 import java.util.concurrent.atomic.AtomicInteger

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kafka/src/test/scala/org/apache/samza/system/kafka/TestBrokerProxy.scala
----------------------------------------------------------------------
diff --git 
a/samza-kafka/src/test/scala/org/apache/samza/system/kafka/TestBrokerProxy.scala
 
b/samza-kafka/src/test/scala/org/apache/samza/system/kafka/TestBrokerProxy.scala
index b4e7178..9143e6c 100644
--- 
a/samza-kafka/src/test/scala/org/apache/samza/system/kafka/TestBrokerProxy.scala
+++ 
b/samza-kafka/src/test/scala/org/apache/samza/system/kafka/TestBrokerProxy.scala
@@ -33,7 +33,7 @@ import kafka.common.TopicAndPartition
 import kafka.api.PartitionOffsetsResponse
 import java.nio.ByteBuffer
 import org.apache.samza.SamzaException
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import kafka.common.ErrorMapping
 import org.mockito.stubbing.Answer
 import org.mockito.invocation.InvocationOnMock

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kv-inmemory/src/main/scala/org/apache/samza/storage/kv/inmemory/InMemoryKeyValueStore.scala
----------------------------------------------------------------------
diff --git 
a/samza-kv-inmemory/src/main/scala/org/apache/samza/storage/kv/inmemory/InMemoryKeyValueStore.scala
 
b/samza-kv-inmemory/src/main/scala/org/apache/samza/storage/kv/inmemory/InMemoryKeyValueStore.scala
index 8e1493a..217333c 100644
--- 
a/samza-kv-inmemory/src/main/scala/org/apache/samza/storage/kv/inmemory/InMemoryKeyValueStore.scala
+++ 
b/samza-kv-inmemory/src/main/scala/org/apache/samza/storage/kv/inmemory/InMemoryKeyValueStore.scala
@@ -19,7 +19,7 @@
 package org.apache.samza.storage.kv.inmemory
 
 import com.google.common.primitives.UnsignedBytes
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.storage.kv.{KeyValueStoreMetrics, KeyValueIterator, 
Entry, KeyValueStore}
 import java.util
 

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kv-leveldb/src/main/scala/org/apache/samza/storage/kv/LevelDbKeyValueStore.scala
----------------------------------------------------------------------
diff --git 
a/samza-kv-leveldb/src/main/scala/org/apache/samza/storage/kv/LevelDbKeyValueStore.scala
 
b/samza-kv-leveldb/src/main/scala/org/apache/samza/storage/kv/LevelDbKeyValueStore.scala
index 6652f6b..853de12 100644
--- 
a/samza-kv-leveldb/src/main/scala/org/apache/samza/storage/kv/LevelDbKeyValueStore.scala
+++ 
b/samza-kv-leveldb/src/main/scala/org/apache/samza/storage/kv/LevelDbKeyValueStore.scala
@@ -24,10 +24,9 @@ import org.fusesource.leveldbjni.JniDBFactory._
 import java.io._
 import org.apache.samza.config.Config
 import org.apache.samza.container.SamzaContainerContext
-import grizzled.slf4j.{ Logger, Logging }
+import org.apache.samza.util.Logging
 
-object LevelDbKeyValueStore {
-  private lazy val logger = Logger(classOf[LevelDbKeyValueStore])
+object LevelDbKeyValueStore extends Logging {
 
   def options(storeConfig: Config, containerContext: SamzaContainerContext) = {
     val cacheSize = storeConfig.getLong("container.cache.size.bytes", 100 * 
1024 * 1024L)
@@ -43,7 +42,7 @@ object LevelDbKeyValueStore {
         case "snappy" => CompressionType.SNAPPY
         case "none" => CompressionType.NONE
         case _ =>
-          logger.warn("Unknown leveldb.compression codec %s, defaulting to 
Snappy" format storeConfig.get("leveldb.compression", "snappy"))
+          warn("Unknown leveldb.compression codec %s, defaulting to Snappy" 
format storeConfig.get("leveldb.compression", "snappy"))
           CompressionType.SNAPPY
       })
     options.createIfMissing(true)

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kv/src/main/scala/org/apache/samza/storage/kv/CachedStore.scala
----------------------------------------------------------------------
diff --git 
a/samza-kv/src/main/scala/org/apache/samza/storage/kv/CachedStore.scala 
b/samza-kv/src/main/scala/org/apache/samza/storage/kv/CachedStore.scala
index 5764093..7a5e510 100644
--- a/samza-kv/src/main/scala/org/apache/samza/storage/kv/CachedStore.scala
+++ b/samza-kv/src/main/scala/org/apache/samza/storage/kv/CachedStore.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.storage.kv
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 import scala.collection._
 

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kv/src/main/scala/org/apache/samza/storage/kv/KeyValueStorageEngine.scala
----------------------------------------------------------------------
diff --git 
a/samza-kv/src/main/scala/org/apache/samza/storage/kv/KeyValueStorageEngine.scala
 
b/samza-kv/src/main/scala/org/apache/samza/storage/kv/KeyValueStorageEngine.scala
index c084144..3a23daf 100644
--- 
a/samza-kv/src/main/scala/org/apache/samza/storage/kv/KeyValueStorageEngine.scala
+++ 
b/samza-kv/src/main/scala/org/apache/samza/storage/kv/KeyValueStorageEngine.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.storage.kv
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.storage.StorageEngine
 import org.apache.samza.system.IncomingMessageEnvelope
 

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kv/src/main/scala/org/apache/samza/storage/kv/LoggedStore.scala
----------------------------------------------------------------------
diff --git 
a/samza-kv/src/main/scala/org/apache/samza/storage/kv/LoggedStore.scala 
b/samza-kv/src/main/scala/org/apache/samza/storage/kv/LoggedStore.scala
index 4ad6312..26f4cd9 100644
--- a/samza-kv/src/main/scala/org/apache/samza/storage/kv/LoggedStore.scala
+++ b/samza-kv/src/main/scala/org/apache/samza/storage/kv/LoggedStore.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.storage.kv
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.system.{OutgoingMessageEnvelope, SystemStreamPartition}
 import org.apache.samza.task.MessageCollector
 

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-kv/src/main/scala/org/apache/samza/storage/kv/SerializedKeyValueStore.scala
----------------------------------------------------------------------
diff --git 
a/samza-kv/src/main/scala/org/apache/samza/storage/kv/SerializedKeyValueStore.scala
 
b/samza-kv/src/main/scala/org/apache/samza/storage/kv/SerializedKeyValueStore.scala
index 51ee68f..531e8be 100644
--- 
a/samza-kv/src/main/scala/org/apache/samza/storage/kv/SerializedKeyValueStore.scala
+++ 
b/samza-kv/src/main/scala/org/apache/samza/storage/kv/SerializedKeyValueStore.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.storage.kv
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.serializers._
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-test/src/main/scala/org/apache/samza/test/performance/TestKeyValuePerformance.scala
----------------------------------------------------------------------
diff --git 
a/samza-test/src/main/scala/org/apache/samza/test/performance/TestKeyValuePerformance.scala
 
b/samza-test/src/main/scala/org/apache/samza/test/performance/TestKeyValuePerformance.scala
index 7f8663d..8fd33f1 100644
--- 
a/samza-test/src/main/scala/org/apache/samza/test/performance/TestKeyValuePerformance.scala
+++ 
b/samza-test/src/main/scala/org/apache/samza/test/performance/TestKeyValuePerformance.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.test.performance
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.config.Config
 import org.apache.samza.config.StorageConfig._
 import org.apache.samza.container.{ TaskName, SamzaContainerContext }

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-test/src/main/scala/org/apache/samza/test/performance/TestPerformanceTask.scala
----------------------------------------------------------------------
diff --git 
a/samza-test/src/main/scala/org/apache/samza/test/performance/TestPerformanceTask.scala
 
b/samza-test/src/main/scala/org/apache/samza/test/performance/TestPerformanceTask.scala
index 1661b43..45c76e8 100644
--- 
a/samza-test/src/main/scala/org/apache/samza/test/performance/TestPerformanceTask.scala
+++ 
b/samza-test/src/main/scala/org/apache/samza/test/performance/TestPerformanceTask.scala
@@ -27,7 +27,7 @@ import org.apache.samza.task.StreamTask
 import org.apache.samza.task.TaskCoordinator
 import org.apache.samza.task.TaskCoordinator.RequestScope
 import org.apache.samza.config.Config
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.system.SystemStream
 import org.apache.samza.system.OutgoingMessageEnvelope
 import org.apache.samza.util.Util

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-test/src/test/scala/org/apache/samza/test/performance/TestSamzaContainerPerformance.scala
----------------------------------------------------------------------
diff --git 
a/samza-test/src/test/scala/org/apache/samza/test/performance/TestSamzaContainerPerformance.scala
 
b/samza-test/src/test/scala/org/apache/samza/test/performance/TestSamzaContainerPerformance.scala
index 688e74e..1ff898d 100644
--- 
a/samza-test/src/test/scala/org/apache/samza/test/performance/TestSamzaContainerPerformance.scala
+++ 
b/samza-test/src/test/scala/org/apache/samza/test/performance/TestSamzaContainerPerformance.scala
@@ -31,7 +31,7 @@ import org.apache.samza.job.ShellCommandBuilder
 import org.apache.samza.task.InitableTask
 import org.apache.samza.task.TaskContext
 import org.apache.samza.config.Config
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 /**
  * A simple unit test that drives the TestPerformanceTask. This unit test can

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/ClientHelper.scala
----------------------------------------------------------------------
diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/ClientHelper.scala 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/ClientHelper.scala
index 2339960..a2b9279 100644
--- a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/ClientHelper.scala
+++ b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/ClientHelper.scala
@@ -44,7 +44,7 @@ import org.apache.samza.job.ApplicationStatus.New
 import org.apache.samza.job.ApplicationStatus.Running
 import org.apache.samza.job.ApplicationStatus.SuccessfulFinish
 import org.apache.samza.job.ApplicationStatus.UnsuccessfulFinish
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import java.util.Collections
 
 object ClientHelper {

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMaster.scala
----------------------------------------------------------------------
diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMaster.scala 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMaster.scala
index c28c9a6..ab8278f 100644
--- a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMaster.scala
+++ b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMaster.scala
@@ -38,7 +38,7 @@ import org.apache.samza.metrics.JmxServer
 import org.apache.samza.metrics.MetricsRegistryMap
 import org.apache.samza.util.hadoop.HttpFileSystem
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 /**
  * When YARN executes an application master, it needs a bash command to

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterLifecycle.scala
----------------------------------------------------------------------
diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterLifecycle.scala
 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterLifecycle.scala
index 8cb9490..3d17632 100644
--- 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterLifecycle.scala
+++ 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterLifecycle.scala
@@ -24,7 +24,7 @@ import 
org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest
 import org.apache.hadoop.yarn.client.api.async.AMRMClientAsync
 import org.apache.samza.SamzaException
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 /**
  * Responsible for managing the lifecycle of the application master. Mostly,

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterMetrics.scala
----------------------------------------------------------------------
diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterMetrics.scala
 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterMetrics.scala
index 28ed2c8..09b1237 100644
--- 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterMetrics.scala
+++ 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterMetrics.scala
@@ -29,7 +29,7 @@ import org.apache.samza.config.MetricsConfig.Config2Metrics
 import org.apache.samza.metrics.MetricsReporterFactory
 import org.apache.samza.util.Util
 import org.apache.samza.metrics.ReadableMetricsRegistry
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.SamzaException
 import java.util.Timer
 import java.util.TimerTask

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterService.scala
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diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterService.scala
 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterService.scala
index ab13d43..d1a73a7 100644
--- 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterService.scala
+++ 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterService.scala
@@ -19,7 +19,7 @@
 
 package org.apache.samza.job.yarn
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.webapp._
 import org.apache.samza.config.Config
 import org.apache.samza.metrics.ReadableMetricsRegistry

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterState.scala
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diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterState.scala 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterState.scala
index d9dfbc6..471eff4 100644
--- 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterState.scala
+++ 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterState.scala
@@ -18,7 +18,7 @@
  */
 
 package org.apache.samza.job.yarn
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus
 import org.apache.hadoop.yarn.api.records.ContainerId
 import java.util

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterTaskManager.scala
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diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterTaskManager.scala
 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterTaskManager.scala
index 0dd244d..ee08cfb 100644
--- 
a/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterTaskManager.scala
+++ 
b/samza-yarn/src/main/scala/org/apache/samza/job/yarn/SamzaAppMasterTaskManager.scala
@@ -46,7 +46,7 @@ import org.apache.samza.job.CommandBuilder
 import org.apache.samza.job.ShellCommandBuilder
 import org.apache.samza.util.Util
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 import org.apache.samza.container.TaskNamesToSystemStreamPartitions
 
 object SamzaAppMasterTaskManager {

http://git-wip-us.apache.org/repos/asf/incubator-samza/blob/a7b1282b/samza-yarn/src/main/scala/org/apache/samza/util/hadoop/HttpFileSystem.scala
----------------------------------------------------------------------
diff --git 
a/samza-yarn/src/main/scala/org/apache/samza/util/hadoop/HttpFileSystem.scala 
b/samza-yarn/src/main/scala/org/apache/samza/util/hadoop/HttpFileSystem.scala
index 85813b1..7dff90e 100644
--- 
a/samza-yarn/src/main/scala/org/apache/samza/util/hadoop/HttpFileSystem.scala
+++ 
b/samza-yarn/src/main/scala/org/apache/samza/util/hadoop/HttpFileSystem.scala
@@ -34,7 +34,7 @@ import org.apache.hadoop.fs.FileSystem
 import org.apache.hadoop.fs.Path
 import org.apache.hadoop.util.Progressable
 
-import grizzled.slf4j.Logging
+import org.apache.samza.util.Logging
 
 class HttpFileSystem extends FileSystem with Logging {
   val DEFAULT_BLOCK_SIZE = 4 * 1024;

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