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Posted to commits@spark.apache.org by we...@apache.org on 2016/03/17 12:23:59 UTC

[3/5] spark git commit: [SPARK-13928] Move org.apache.spark.Logging into org.apache.spark.internal.Logging

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/ThreadingSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/ThreadingSuite.scala b/core/src/test/scala/org/apache/spark/ThreadingSuite.scala
index b66aba9..36273d7 100644
--- a/core/src/test/scala/org/apache/spark/ThreadingSuite.scala
+++ b/core/src/test/scala/org/apache/spark/ThreadingSuite.scala
@@ -20,6 +20,8 @@ package org.apache.spark
 import java.util.concurrent.Semaphore
 import java.util.concurrent.atomic.{AtomicBoolean, AtomicInteger}
 
+import org.apache.spark.internal.Logging
+
 /**
  * Holds state shared across task threads in some ThreadingSuite tests.
  */

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
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diff --git a/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala b/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
index bb2adff..96cb4fd 100644
--- a/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
+++ b/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
@@ -31,6 +31,7 @@ import org.apache.spark._
 import org.apache.spark.api.r.RUtils
 import org.apache.spark.deploy.SparkSubmit._
 import org.apache.spark.deploy.SparkSubmitUtils.MavenCoordinate
+import org.apache.spark.internal.Logging
 import org.apache.spark.util.{ResetSystemProperties, Utils}
 
 // Note: this suite mixes in ResetSystemProperties because SparkSubmit.main() sets a bunch

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/deploy/client/AppClientSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/deploy/client/AppClientSuite.scala b/core/src/test/scala/org/apache/spark/deploy/client/AppClientSuite.scala
index 7017296..7b46f91 100644
--- a/core/src/test/scala/org/apache/spark/deploy/client/AppClientSuite.scala
+++ b/core/src/test/scala/org/apache/spark/deploy/client/AppClientSuite.scala
@@ -29,6 +29,7 @@ import org.apache.spark.deploy.{ApplicationDescription, Command}
 import org.apache.spark.deploy.DeployMessages.{MasterStateResponse, RequestMasterState}
 import org.apache.spark.deploy.master.{ApplicationInfo, Master}
 import org.apache.spark.deploy.worker.Worker
+import org.apache.spark.internal.Logging
 import org.apache.spark.rpc.RpcEnv
 import org.apache.spark.util.Utils
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/deploy/history/ApplicationCacheSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/deploy/history/ApplicationCacheSuite.scala b/core/src/test/scala/org/apache/spark/deploy/history/ApplicationCacheSuite.scala
index c874b95..4ab000b 100644
--- a/core/src/test/scala/org/apache/spark/deploy/history/ApplicationCacheSuite.scala
+++ b/core/src/test/scala/org/apache/spark/deploy/history/ApplicationCacheSuite.scala
@@ -36,7 +36,8 @@ import org.mockito.stubbing.Answer
 import org.scalatest.Matchers
 import org.scalatest.mock.MockitoSugar
 
-import org.apache.spark.{Logging, SparkFunSuite}
+import org.apache.spark.SparkFunSuite
+import org.apache.spark.internal.Logging
 import org.apache.spark.status.api.v1.{ApplicationAttemptInfo => AttemptInfo, ApplicationInfo}
 import org.apache.spark.ui.SparkUI
 import org.apache.spark.util.{Clock, ManualClock, Utils}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/deploy/history/FsHistoryProviderSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/deploy/history/FsHistoryProviderSuite.scala b/core/src/test/scala/org/apache/spark/deploy/history/FsHistoryProviderSuite.scala
index 5fd599e..39c5857 100644
--- a/core/src/test/scala/org/apache/spark/deploy/history/FsHistoryProviderSuite.scala
+++ b/core/src/test/scala/org/apache/spark/deploy/history/FsHistoryProviderSuite.scala
@@ -36,7 +36,8 @@ import org.scalatest.BeforeAndAfter
 import org.scalatest.Matchers
 import org.scalatest.concurrent.Eventually._
 
-import org.apache.spark.{Logging, SparkConf, SparkFunSuite}
+import org.apache.spark.{SparkConf, SparkFunSuite}
+import org.apache.spark.internal.Logging
 import org.apache.spark.io._
 import org.apache.spark.scheduler._
 import org.apache.spark.util.{Clock, JsonProtocol, ManualClock, Utils}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/input/WholeTextFileRecordReaderSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/input/WholeTextFileRecordReaderSuite.scala b/core/src/test/scala/org/apache/spark/input/WholeTextFileRecordReaderSuite.scala
index 88b3a0e..ddf73d6 100644
--- a/core/src/test/scala/org/apache/spark/input/WholeTextFileRecordReaderSuite.scala
+++ b/core/src/test/scala/org/apache/spark/input/WholeTextFileRecordReaderSuite.scala
@@ -27,7 +27,8 @@ import org.apache.hadoop.io.Text
 import org.apache.hadoop.io.compress.{CompressionCodecFactory, GzipCodec}
 import org.scalatest.BeforeAndAfterAll
 
-import org.apache.spark.{Logging, SparkConf, SparkContext, SparkFunSuite}
+import org.apache.spark.{SparkConf, SparkContext, SparkFunSuite}
+import org.apache.spark.internal.Logging
 import org.apache.spark.util.Utils
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/rdd/SortingSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/rdd/SortingSuite.scala b/core/src/test/scala/org/apache/spark/rdd/SortingSuite.scala
index a7de9ca..f9a7f15 100644
--- a/core/src/test/scala/org/apache/spark/rdd/SortingSuite.scala
+++ b/core/src/test/scala/org/apache/spark/rdd/SortingSuite.scala
@@ -19,7 +19,8 @@ package org.apache.spark.rdd
 
 import org.scalatest.Matchers
 
-import org.apache.spark.{Logging, SharedSparkContext, SparkFunSuite}
+import org.apache.spark.{SharedSparkContext, SparkFunSuite}
+import org.apache.spark.internal.Logging
 
 class SortingSuite extends SparkFunSuite with SharedSparkContext with Matchers with Logging {
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/scheduler/EventLoggingListenerSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/scheduler/EventLoggingListenerSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/EventLoggingListenerSuite.scala
index 43da6fc..176d893 100644
--- a/core/src/test/scala/org/apache/spark/scheduler/EventLoggingListenerSuite.scala
+++ b/core/src/test/scala/org/apache/spark/scheduler/EventLoggingListenerSuite.scala
@@ -29,6 +29,7 @@ import org.scalatest.BeforeAndAfter
 
 import org.apache.spark._
 import org.apache.spark.deploy.SparkHadoopUtil
+import org.apache.spark.internal.Logging
 import org.apache.spark.io._
 import org.apache.spark.util.{JsonProtocol, Utils}
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/scheduler/TaskSchedulerImplSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/scheduler/TaskSchedulerImplSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/TaskSchedulerImplSuite.scala
index 2afb595..a09a602 100644
--- a/core/src/test/scala/org/apache/spark/scheduler/TaskSchedulerImplSuite.scala
+++ b/core/src/test/scala/org/apache/spark/scheduler/TaskSchedulerImplSuite.scala
@@ -18,6 +18,7 @@
 package org.apache.spark.scheduler
 
 import org.apache.spark._
+import org.apache.spark.internal.Logging
 
 class FakeSchedulerBackend extends SchedulerBackend {
   def start() {}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala
index d35ca41..167d3fd 100644
--- a/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala
+++ b/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala
@@ -24,6 +24,7 @@ import scala.collection.mutable
 import scala.collection.mutable.ArrayBuffer
 
 import org.apache.spark._
+import org.apache.spark.internal.Logging
 import org.apache.spark.util.ManualClock
 
 class FakeDAGScheduler(sc: SparkContext, taskScheduler: FakeTaskScheduler)

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala b/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala
index 4d938d5..280e496 100644
--- a/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala
+++ b/core/src/test/scala/org/apache/spark/util/FileAppenderSuite.scala
@@ -31,7 +31,8 @@ import org.mockito.ArgumentCaptor
 import org.mockito.Mockito.{atLeast, mock, verify}
 import org.scalatest.BeforeAndAfter
 
-import org.apache.spark.{Logging, SparkConf, SparkFunSuite}
+import org.apache.spark.{SparkConf, SparkFunSuite}
+import org.apache.spark.internal.Logging
 import org.apache.spark.util.logging.{FileAppender, RollingFileAppender, SizeBasedRollingPolicy, TimeBasedRollingPolicy}
 
 class FileAppenderSuite extends SparkFunSuite with BeforeAndAfter with Logging {

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/util/UtilsSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/util/UtilsSuite.scala b/core/src/test/scala/org/apache/spark/util/UtilsSuite.scala
index 093d1bd..4aa4854 100644
--- a/core/src/test/scala/org/apache/spark/util/UtilsSuite.scala
+++ b/core/src/test/scala/org/apache/spark/util/UtilsSuite.scala
@@ -34,7 +34,8 @@ import org.apache.commons.lang3.SystemUtils
 import org.apache.hadoop.conf.Configuration
 import org.apache.hadoop.fs.Path
 
-import org.apache.spark.{Logging, SparkConf, SparkFunSuite}
+import org.apache.spark.{SparkConf, SparkFunSuite}
+import org.apache.spark.internal.Logging
 import org.apache.spark.network.util.ByteUnit
 
 class UtilsSuite extends SparkFunSuite with ResetSystemProperties with Logging {

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/core/src/test/scala/org/apache/spark/util/collection/SorterSuite.scala
----------------------------------------------------------------------
diff --git a/core/src/test/scala/org/apache/spark/util/collection/SorterSuite.scala b/core/src/test/scala/org/apache/spark/util/collection/SorterSuite.scala
index fefa516..65bf857 100644
--- a/core/src/test/scala/org/apache/spark/util/collection/SorterSuite.scala
+++ b/core/src/test/scala/org/apache/spark/util/collection/SorterSuite.scala
@@ -20,7 +20,8 @@ package org.apache.spark.util.collection
 import java.lang.{Float => JFloat, Integer => JInteger}
 import java.util.{Arrays, Comparator}
 
-import org.apache.spark.{Logging, SparkFunSuite}
+import org.apache.spark.SparkFunSuite
+import org.apache.spark.internal.Logging
 import org.apache.spark.util.random.XORShiftRandom
 
 class SorterSuite extends SparkFunSuite with Logging {

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/examples/src/main/scala/org/apache/spark/examples/graphx/Analytics.scala
----------------------------------------------------------------------
diff --git a/examples/src/main/scala/org/apache/spark/examples/graphx/Analytics.scala b/examples/src/main/scala/org/apache/spark/examples/graphx/Analytics.scala
index 39cb83d..619e585 100644
--- a/examples/src/main/scala/org/apache/spark/examples/graphx/Analytics.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/graphx/Analytics.scala
@@ -24,6 +24,7 @@ import org.apache.spark._
 import org.apache.spark.graphx._
 import org.apache.spark.graphx.PartitionStrategy._
 import org.apache.spark.graphx.lib._
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.StorageLevel
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/examples/src/main/scala/org/apache/spark/examples/streaming/CustomReceiver.scala
----------------------------------------------------------------------
diff --git a/examples/src/main/scala/org/apache/spark/examples/streaming/CustomReceiver.scala b/examples/src/main/scala/org/apache/spark/examples/streaming/CustomReceiver.scala
index d67da27..1d144db 100644
--- a/examples/src/main/scala/org/apache/spark/examples/streaming/CustomReceiver.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/streaming/CustomReceiver.scala
@@ -22,7 +22,8 @@ import java.io.{BufferedReader, InputStreamReader}
 import java.net.Socket
 import java.nio.charset.StandardCharsets
 
-import org.apache.spark.{Logging, SparkConf}
+import org.apache.spark.SparkConf
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.StorageLevel
 import org.apache.spark.streaming.{Seconds, StreamingContext}
 import org.apache.spark.streaming.receiver.Receiver

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/examples/src/main/scala/org/apache/spark/examples/streaming/StreamingExamples.scala
----------------------------------------------------------------------
diff --git a/examples/src/main/scala/org/apache/spark/examples/streaming/StreamingExamples.scala b/examples/src/main/scala/org/apache/spark/examples/streaming/StreamingExamples.scala
index 22a5654..b00f32f 100644
--- a/examples/src/main/scala/org/apache/spark/examples/streaming/StreamingExamples.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/streaming/StreamingExamples.scala
@@ -19,7 +19,7 @@ package org.apache.spark.examples.streaming
 
 import org.apache.log4j.{Level, Logger}
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 
 /** Utility functions for Spark Streaming examples. */
 object StreamingExamples extends Logging {

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/DirectKafkaInputDStream.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/DirectKafkaInputDStream.scala b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/DirectKafkaInputDStream.scala
index 0eaaf40..fb58ed7 100644
--- a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/DirectKafkaInputDStream.scala
+++ b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/DirectKafkaInputDStream.scala
@@ -25,7 +25,8 @@ import kafka.common.TopicAndPartition
 import kafka.message.MessageAndMetadata
 import kafka.serializer.Decoder
 
-import org.apache.spark.{Logging, SparkException}
+import org.apache.spark.SparkException
+import org.apache.spark.internal.Logging
 import org.apache.spark.streaming.{StreamingContext, Time}
 import org.apache.spark.streaming.dstream._
 import org.apache.spark.streaming.kafka.KafkaCluster.LeaderOffset

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaInputDStream.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaInputDStream.scala b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaInputDStream.scala
index 89d1811..3713bda 100644
--- a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaInputDStream.scala
+++ b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaInputDStream.scala
@@ -26,7 +26,7 @@ import kafka.consumer.{Consumer, ConsumerConfig, ConsumerConnector, KafkaStream}
 import kafka.serializer.Decoder
 import kafka.utils.VerifiableProperties
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.StorageLevel
 import org.apache.spark.streaming.StreamingContext
 import org.apache.spark.streaming.dstream._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaRDD.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaRDD.scala b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaRDD.scala
index 475167a..d4881b1 100644
--- a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaRDD.scala
+++ b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaRDD.scala
@@ -27,7 +27,8 @@ import kafka.message.{MessageAndMetadata, MessageAndOffset}
 import kafka.serializer.Decoder
 import kafka.utils.VerifiableProperties
 
-import org.apache.spark.{Logging, Partition, SparkContext, SparkException, TaskContext}
+import org.apache.spark.{Partition, SparkContext, SparkException, TaskContext}
+import org.apache.spark.internal.Logging
 import org.apache.spark.partial.{BoundedDouble, PartialResult}
 import org.apache.spark.rdd.RDD
 import org.apache.spark.util.NextIterator

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala
index a5ea1d6..d9d4240 100644
--- a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala
+++ b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala
@@ -37,7 +37,8 @@ import kafka.utils.{ZKStringSerializer, ZkUtils}
 import org.I0Itec.zkclient.ZkClient
 import org.apache.zookeeper.server.{NIOServerCnxnFactory, ZooKeeperServer}
 
-import org.apache.spark.{Logging, SparkConf}
+import org.apache.spark.SparkConf
+import org.apache.spark.internal.Logging
 import org.apache.spark.streaming.Time
 import org.apache.spark.util.Utils
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala
index a872781..39abe3c 100644
--- a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala
+++ b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala
@@ -30,7 +30,8 @@ import kafka.serializer.Decoder
 import kafka.utils.{VerifiableProperties, ZKGroupTopicDirs, ZKStringSerializer, ZkUtils}
 import org.I0Itec.zkclient.ZkClient
 
-import org.apache.spark.{Logging, SparkEnv}
+import org.apache.spark.SparkEnv
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.{StorageLevel, StreamBlockId}
 import org.apache.spark.streaming.receiver.{BlockGenerator, BlockGeneratorListener, Receiver}
 import org.apache.spark.util.ThreadUtils

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala
----------------------------------------------------------------------
diff --git a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala
index b2c81d1..f14ff67 100644
--- a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala
+++ b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala
@@ -32,7 +32,8 @@ import kafka.serializer.StringDecoder
 import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll}
 import org.scalatest.concurrent.Eventually
 
-import org.apache.spark.{Logging, SparkConf, SparkContext, SparkFunSuite}
+import org.apache.spark.{SparkConf, SparkContext, SparkFunSuite}
+import org.apache.spark.internal.Logging
 import org.apache.spark.rdd.RDD
 import org.apache.spark.streaming.{Milliseconds, StreamingContext, Time}
 import org.apache.spark.streaming.dstream.DStream

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kinesis-asl/src/main/scala/org/apache/spark/examples/streaming/KinesisWordCountASL.scala
----------------------------------------------------------------------
diff --git a/external/kinesis-asl/src/main/scala/org/apache/spark/examples/streaming/KinesisWordCountASL.scala b/external/kinesis-asl/src/main/scala/org/apache/spark/examples/streaming/KinesisWordCountASL.scala
index 6a73bc0..859fe9e 100644
--- a/external/kinesis-asl/src/main/scala/org/apache/spark/examples/streaming/KinesisWordCountASL.scala
+++ b/external/kinesis-asl/src/main/scala/org/apache/spark/examples/streaming/KinesisWordCountASL.scala
@@ -29,7 +29,8 @@ import com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionIn
 import com.amazonaws.services.kinesis.model.PutRecordRequest
 import org.apache.log4j.{Level, Logger}
 
-import org.apache.spark.{Logging, SparkConf}
+import org.apache.spark.SparkConf
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.StorageLevel
 import org.apache.spark.streaming.{Milliseconds, StreamingContext}
 import org.apache.spark.streaming.dstream.DStream.toPairDStreamFunctions

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
----------------------------------------------------------------------
diff --git a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
index 3996f16..45dc3c3 100644
--- a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
+++ b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
@@ -27,6 +27,7 @@ import com.amazonaws.services.kinesis.clientlibrary.types.UserRecord
 import com.amazonaws.services.kinesis.model._
 
 import org.apache.spark._
+import org.apache.spark.internal.Logging
 import org.apache.spark.rdd.{BlockRDD, BlockRDDPartition}
 import org.apache.spark.storage.BlockId
 import org.apache.spark.util.NextIterator

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisCheckpointer.scala
----------------------------------------------------------------------
diff --git a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisCheckpointer.scala b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisCheckpointer.scala
index 1ca6d43..70b5cc7 100644
--- a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisCheckpointer.scala
+++ b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisCheckpointer.scala
@@ -23,7 +23,7 @@ import scala.util.control.NonFatal
 import com.amazonaws.services.kinesis.clientlibrary.interfaces.IRecordProcessorCheckpointer
 import com.amazonaws.services.kinesis.clientlibrary.types.ShutdownReason
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.streaming.Duration
 import org.apache.spark.streaming.util.RecurringTimer
 import org.apache.spark.util.{Clock, SystemClock, ThreadUtils}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisReceiver.scala
----------------------------------------------------------------------
diff --git a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisReceiver.scala b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisReceiver.scala
index 48ee2a9..858368d 100644
--- a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisReceiver.scala
+++ b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisReceiver.scala
@@ -28,11 +28,11 @@ import com.amazonaws.services.kinesis.clientlibrary.interfaces.{IRecordProcessor
 import com.amazonaws.services.kinesis.clientlibrary.lib.worker.{InitialPositionInStream, KinesisClientLibConfiguration, Worker}
 import com.amazonaws.services.kinesis.model.Record
 
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.{StorageLevel, StreamBlockId}
 import org.apache.spark.streaming.Duration
 import org.apache.spark.streaming.receiver.{BlockGenerator, BlockGeneratorListener, Receiver}
 import org.apache.spark.util.Utils
-import org.apache.spark.Logging
 
 private[kinesis]
 case class SerializableAWSCredentials(accessKeyId: String, secretKey: String)

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisRecordProcessor.scala
----------------------------------------------------------------------
diff --git a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisRecordProcessor.scala b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisRecordProcessor.scala
index 23b74da..41c6ab1 100644
--- a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisRecordProcessor.scala
+++ b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisRecordProcessor.scala
@@ -26,7 +26,7 @@ import com.amazonaws.services.kinesis.clientlibrary.interfaces.{IRecordProcessor
 import com.amazonaws.services.kinesis.clientlibrary.types.ShutdownReason
 import com.amazonaws.services.kinesis.model.Record
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.streaming.Duration
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisTestUtils.scala
----------------------------------------------------------------------
diff --git a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisTestUtils.scala b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisTestUtils.scala
index 026387e..0fe6625 100644
--- a/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisTestUtils.scala
+++ b/external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisTestUtils.scala
@@ -33,7 +33,7 @@ import com.amazonaws.services.dynamodbv2.document.DynamoDB
 import com.amazonaws.services.kinesis.AmazonKinesisClient
 import com.amazonaws.services.kinesis.model._
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 
 /**
  * Shared utility methods for performing Kinesis tests that actually transfer data.

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/graphx/src/main/scala/org/apache/spark/graphx/GraphLoader.scala
----------------------------------------------------------------------
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/GraphLoader.scala b/graphx/src/main/scala/org/apache/spark/graphx/GraphLoader.scala
index 1672f7d..f678e5f 100644
--- a/graphx/src/main/scala/org/apache/spark/graphx/GraphLoader.scala
+++ b/graphx/src/main/scala/org/apache/spark/graphx/GraphLoader.scala
@@ -17,8 +17,9 @@
 
 package org.apache.spark.graphx
 
-import org.apache.spark.{Logging, SparkContext}
+import org.apache.spark.SparkContext
 import org.apache.spark.graphx.impl.{EdgePartitionBuilder, GraphImpl}
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.StorageLevel
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala
----------------------------------------------------------------------
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala b/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala
index efdc248..d2e51d2 100644
--- a/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala
+++ b/graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala
@@ -19,7 +19,7 @@ package org.apache.spark.graphx
 
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 
 /**
  * Implements a Pregel-like bulk-synchronous message-passing API.

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/graphx/src/main/scala/org/apache/spark/graphx/impl/VertexPartitionBaseOps.scala
----------------------------------------------------------------------
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/impl/VertexPartitionBaseOps.scala b/graphx/src/main/scala/org/apache/spark/graphx/impl/VertexPartitionBaseOps.scala
index 7c680dc..31373a5 100644
--- a/graphx/src/main/scala/org/apache/spark/graphx/impl/VertexPartitionBaseOps.scala
+++ b/graphx/src/main/scala/org/apache/spark/graphx/impl/VertexPartitionBaseOps.scala
@@ -21,9 +21,9 @@ import scala.language.higherKinds
 import scala.language.implicitConversions
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
 import org.apache.spark.graphx._
 import org.apache.spark.graphx.util.collection.GraphXPrimitiveKeyOpenHashMap
+import org.apache.spark.internal.Logging
 import org.apache.spark.util.collection.BitSet
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/graphx/src/main/scala/org/apache/spark/graphx/lib/PageRank.scala
----------------------------------------------------------------------
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/lib/PageRank.scala b/graphx/src/main/scala/org/apache/spark/graphx/lib/PageRank.scala
index 9d9a26e..0a1622b 100644
--- a/graphx/src/main/scala/org/apache/spark/graphx/lib/PageRank.scala
+++ b/graphx/src/main/scala/org/apache/spark/graphx/lib/PageRank.scala
@@ -20,8 +20,8 @@ package org.apache.spark.graphx.lib
 import scala.language.postfixOps
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
 import org.apache.spark.graphx._
+import org.apache.spark.internal.Logging
 
 /**
  * PageRank algorithm implementation. There are two implementations of PageRank implemented.

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/graphx/src/main/scala/org/apache/spark/graphx/util/GraphGenerators.scala
----------------------------------------------------------------------
diff --git a/graphx/src/main/scala/org/apache/spark/graphx/util/GraphGenerators.scala b/graphx/src/main/scala/org/apache/spark/graphx/util/GraphGenerators.scala
index ba67c66..80c6b68 100644
--- a/graphx/src/main/scala/org/apache/spark/graphx/util/GraphGenerators.scala
+++ b/graphx/src/main/scala/org/apache/spark/graphx/util/GraphGenerators.scala
@@ -23,6 +23,7 @@ import scala.util._
 
 import org.apache.spark._
 import org.apache.spark.graphx._
+import org.apache.spark.internal.Logging
 import org.apache.spark.rdd.RDD
 
 /** A collection of graph generating functions. */

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala b/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala
index f4c6214..3a99979 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala
@@ -26,8 +26,9 @@ import org.apache.hadoop.fs.Path
 import org.json4s._
 import org.json4s.jackson.JsonMethods._
 
-import org.apache.spark.{Logging, SparkContext}
+import org.apache.spark.SparkContext
 import org.apache.spark.annotation.{DeveloperApi, Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.param.{Param, ParamMap, Params}
 import org.apache.spark.ml.util._
 import org.apache.spark.sql.DataFrame

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala b/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala
index 1f3325a..2538c0f 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala
@@ -19,8 +19,8 @@ package org.apache.spark.ml
 
 import scala.annotation.varargs
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.DeveloperApi
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.param._
 import org.apache.spark.ml.param.shared._
 import org.apache.spark.sql.DataFrame

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala
index 82059b1..5a8845f 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala
@@ -19,8 +19,8 @@ package org.apache.spark.ml.classification
 
 import com.github.fommil.netlib.BLAS.{getInstance => blas}
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.{PredictionModel, Predictor}
 import org.apache.spark.ml.param.{Param, ParamMap}
 import org.apache.spark.ml.regression.DecisionTreeRegressionModel

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
index 0d329d2..77e59d9 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
@@ -23,8 +23,9 @@ import breeze.linalg.{DenseVector => BDV}
 import breeze.optimize.{CachedDiffFunction, DiffFunction, LBFGS => BreezeLBFGS, OWLQN => BreezeOWLQN}
 import org.apache.hadoop.fs.Path
 
-import org.apache.spark.{Logging, SparkException}
+import org.apache.spark.SparkException
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.feature.Instance
 import org.apache.spark.ml.param._
 import org.apache.spark.ml.param.shared._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/clustering/LDA.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/clustering/LDA.scala b/mllib/src/main/scala/org/apache/spark/ml/clustering/LDA.scala
index 0de82b4..fe6a37f 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/clustering/LDA.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/clustering/LDA.scala
@@ -19,8 +19,8 @@ package org.apache.spark.ml.clustering
 
 import org.apache.hadoop.fs.Path
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.{Estimator, Model}
 import org.apache.spark.ml.param._
 import org.apache.spark.ml.param.shared.{HasCheckpointInterval, HasFeaturesCol, HasMaxIter, HasSeed}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/feature/QuantileDiscretizer.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/QuantileDiscretizer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/QuantileDiscretizer.scala
index e830d2a..e486e92 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/feature/QuantileDiscretizer.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/feature/QuantileDiscretizer.scala
@@ -19,8 +19,8 @@ package org.apache.spark.ml.feature
 
 import scala.collection.mutable
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml._
 import org.apache.spark.ml.attribute.NominalAttribute
 import org.apache.spark.ml.param.{IntParam, _}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/optim/IterativelyReweightedLeastSquares.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/optim/IterativelyReweightedLeastSquares.scala b/mllib/src/main/scala/org/apache/spark/ml/optim/IterativelyReweightedLeastSquares.scala
index fe82324..a2b5283 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/optim/IterativelyReweightedLeastSquares.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/optim/IterativelyReweightedLeastSquares.scala
@@ -17,7 +17,7 @@
 
 package org.apache.spark.ml.optim
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.feature.Instance
 import org.apache.spark.mllib.linalg._
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/optim/WeightedLeastSquares.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/optim/WeightedLeastSquares.scala b/mllib/src/main/scala/org/apache/spark/ml/optim/WeightedLeastSquares.scala
index 55b7510..7d21302 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/optim/WeightedLeastSquares.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/optim/WeightedLeastSquares.scala
@@ -17,7 +17,7 @@
 
 package org.apache.spark.ml.optim
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.feature.Instance
 import org.apache.spark.mllib.linalg._
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
index f3bc9f0..091ca35 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
@@ -30,8 +30,9 @@ import org.apache.hadoop.fs.{FileSystem, Path}
 import org.json4s.DefaultFormats
 import org.json4s.JsonDSL._
 
-import org.apache.spark.{Logging, Partitioner}
+import org.apache.spark.Partitioner
 import org.apache.spark.annotation.{DeveloperApi, Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.{Estimator, Model}
 import org.apache.spark.ml.param._
 import org.apache.spark.ml.param.shared._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/regression/AFTSurvivalRegression.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/AFTSurvivalRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/AFTSurvivalRegression.scala
index 0901642..ba5708a 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/regression/AFTSurvivalRegression.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/regression/AFTSurvivalRegression.scala
@@ -23,8 +23,9 @@ import breeze.linalg.{DenseVector => BDV}
 import breeze.optimize.{CachedDiffFunction, DiffFunction, LBFGS => BreezeLBFGS}
 import org.apache.hadoop.fs.Path
 
-import org.apache.spark.{Logging, SparkException}
+import org.apache.spark.SparkException
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.{Estimator, Model}
 import org.apache.spark.ml.param._
 import org.apache.spark.ml.param.shared._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala
index 4cc2721..091e1d5 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala
@@ -19,8 +19,8 @@ package org.apache.spark.ml.regression
 
 import com.github.fommil.netlib.BLAS.{getInstance => blas}
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.{PredictionModel, Predictor}
 import org.apache.spark.ml.param.{Param, ParamMap}
 import org.apache.spark.ml.tree.{DecisionTreeModel, GBTParams, TreeEnsembleModel,

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
index 46ba558..6e74cb5 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
@@ -20,8 +20,9 @@ package org.apache.spark.ml.regression
 import breeze.stats.{distributions => dist}
 import org.apache.hadoop.fs.Path
 
-import org.apache.spark.{Logging, SparkException}
+import org.apache.spark.SparkException
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.PredictorParams
 import org.apache.spark.ml.feature.Instance
 import org.apache.spark.ml.optim._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/regression/IsotonicRegression.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/IsotonicRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/IsotonicRegression.scala
index 20a0998..fb733f9 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/regression/IsotonicRegression.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/regression/IsotonicRegression.scala
@@ -19,8 +19,8 @@ package org.apache.spark.ml.regression
 
 import org.apache.hadoop.fs.Path
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.{Estimator, Model}
 import org.apache.spark.ml.param._
 import org.apache.spark.ml.param.shared._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala
index b4f17b8..c8f3f70 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala
@@ -24,8 +24,9 @@ import breeze.optimize.{CachedDiffFunction, DiffFunction, LBFGS => BreezeLBFGS,
 import breeze.stats.distributions.StudentsT
 import org.apache.hadoop.fs.Path
 
-import org.apache.spark.{Logging, SparkException}
+import org.apache.spark.SparkException
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.feature.Instance
 import org.apache.spark.ml.optim.WeightedLeastSquares
 import org.apache.spark.ml.PredictorParams

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/GradientBoostedTrees.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/GradientBoostedTrees.scala b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/GradientBoostedTrees.scala
index 44ab5b7..b9acc66 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/GradientBoostedTrees.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/GradientBoostedTrees.scala
@@ -17,7 +17,7 @@
 
 package org.apache.spark.ml.tree.impl
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.regression.{DecisionTreeRegressionModel, DecisionTreeRegressor}
 import org.apache.spark.mllib.impl.PeriodicRDDCheckpointer
 import org.apache.spark.mllib.regression.LabeledPoint

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/NodeIdCache.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/NodeIdCache.scala b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/NodeIdCache.scala
index 172ea52..526b9c4 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/NodeIdCache.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/NodeIdCache.scala
@@ -23,8 +23,8 @@ import scala.collection.mutable
 
 import org.apache.hadoop.fs.{FileSystem, Path}
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.DeveloperApi
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.tree.{LearningNode, Split}
 import org.apache.spark.mllib.tree.impl.BaggedPoint
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
index f994c25..91dc985 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala
@@ -22,7 +22,7 @@ import java.io.IOException
 import scala.collection.mutable
 import scala.util.Random
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.classification.DecisionTreeClassificationModel
 import org.apache.spark.ml.regression.DecisionTreeRegressionModel
 import org.apache.spark.ml.tree._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala b/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala
index 3eac616..010e7d2 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala
@@ -22,8 +22,9 @@ import org.apache.hadoop.fs.Path
 import org.json4s.{DefaultFormats, JObject}
 import org.json4s.jackson.JsonMethods._
 
-import org.apache.spark.{Logging, SparkContext}
+import org.apache.spark.SparkContext
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml._
 import org.apache.spark.ml.classification.OneVsRestParams
 import org.apache.spark.ml.evaluation.Evaluator

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/tuning/TrainValidationSplit.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/tuning/TrainValidationSplit.scala b/mllib/src/main/scala/org/apache/spark/ml/tuning/TrainValidationSplit.scala
index 4f67e8c..4587e25 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/tuning/TrainValidationSplit.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/tuning/TrainValidationSplit.scala
@@ -17,8 +17,8 @@
 
 package org.apache.spark.ml.tuning
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.{Estimator, Model}
 import org.apache.spark.ml.evaluation.Evaluator
 import org.apache.spark.ml.param.{DoubleParam, ParamMap, ParamValidators}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala b/mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala
index 329548f..c95e536 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/util/ReadWrite.scala
@@ -24,8 +24,9 @@ import org.json4s._
 import org.json4s.jackson.JsonMethods._
 import org.json4s.JsonDSL._
 
-import org.apache.spark.{Logging, SparkContext}
+import org.apache.spark.SparkContext
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.param.{ParamPair, Params}
 import org.apache.spark.sql.SQLContext
 import org.apache.spark.util.Utils

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala b/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala
index 9026b97..bf0d9d9 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala
@@ -24,8 +24,9 @@ import scala.collection.JavaConverters._
 import org.json4s.JsonDSL._
 import org.json4s.jackson.JsonMethods._
 
-import org.apache.spark.{Logging, SparkContext, SparkException}
+import org.apache.spark.{SparkContext, SparkException}
 import org.apache.spark.annotation.Since
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{BLAS, DenseMatrix, DenseVector, SparseVector, Vector}
 import org.apache.spark.mllib.regression.LabeledPoint
 import org.apache.spark.mllib.util.{Loader, Saveable}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeans.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeans.scala b/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeans.scala
index f0b9d64..64b838a 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeans.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeans.scala
@@ -22,9 +22,9 @@ import java.util.Random
 import scala.annotation.tailrec
 import scala.collection.mutable
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{BLAS, Vector, Vectors}
 import org.apache.spark.mllib.util.MLUtils
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeansModel.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeansModel.scala b/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeansModel.scala
index 9ccf96b..01a0d31 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeansModel.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/clustering/BisectingKMeansModel.scala
@@ -17,9 +17,9 @@
 
 package org.apache.spark.mllib.clustering
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.Vector
 import org.apache.spark.rdd.RDD
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/clustering/KMeans.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/clustering/KMeans.scala b/mllib/src/main/scala/org/apache/spark/mllib/clustering/KMeans.scala
index 67de62b..26f5600 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/clustering/KMeans.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/clustering/KMeans.scala
@@ -19,8 +19,8 @@ package org.apache.spark.mllib.clustering
 
 import scala.collection.mutable.ArrayBuffer
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.Since
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Vector, Vectors}
 import org.apache.spark.mllib.linalg.BLAS.{axpy, scal}
 import org.apache.spark.mllib.util.MLUtils

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/clustering/LDA.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/clustering/LDA.scala b/mllib/src/main/scala/org/apache/spark/mllib/clustering/LDA.scala
index 81566b4..fad8088 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/clustering/LDA.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/clustering/LDA.scala
@@ -19,10 +19,10 @@ package org.apache.spark.mllib.clustering
 
 import breeze.linalg.{DenseVector => BDV}
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{DeveloperApi, Since}
 import org.apache.spark.api.java.JavaPairRDD
 import org.apache.spark.graphx._
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Vector, Vectors}
 import org.apache.spark.rdd.RDD
 import org.apache.spark.util.Utils

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/clustering/LocalKMeans.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/clustering/LocalKMeans.scala b/mllib/src/main/scala/org/apache/spark/mllib/clustering/LocalKMeans.scala
index c9a96c6..adf20dc 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/clustering/LocalKMeans.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/clustering/LocalKMeans.scala
@@ -19,7 +19,7 @@ package org.apache.spark.mllib.clustering
 
 import scala.util.Random
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.BLAS.{axpy, scal}
 import org.apache.spark.mllib.linalg.Vectors
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala b/mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
index 9732dfa..a422303 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
@@ -21,10 +21,11 @@ import org.json4s._
 import org.json4s.JsonDSL._
 import org.json4s.jackson.JsonMethods._
 
-import org.apache.spark.{Logging, SparkContext, SparkException}
+import org.apache.spark.{SparkContext, SparkException}
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaRDD
 import org.apache.spark.graphx._
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.Vectors
 import org.apache.spark.mllib.util.{Loader, MLUtils, Saveable}
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/clustering/StreamingKMeans.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/clustering/StreamingKMeans.scala b/mllib/src/main/scala/org/apache/spark/mllib/clustering/StreamingKMeans.scala
index d99b89d..a8d7b8f 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/clustering/StreamingKMeans.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/clustering/StreamingKMeans.scala
@@ -19,9 +19,9 @@ package org.apache.spark.mllib.clustering
 
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaSparkContext._
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{BLAS, Vector, Vectors}
 import org.apache.spark.rdd.RDD
 import org.apache.spark.streaming.api.java.{JavaDStream, JavaPairDStream}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetrics.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetrics.scala b/mllib/src/main/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetrics.scala
index 319c547..0a7a45b 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetrics.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetrics.scala
@@ -18,7 +18,7 @@
 package org.apache.spark.mllib.evaluation
 
 import org.apache.spark.annotation.Since
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.evaluation.binary._
 import org.apache.spark.rdd.{RDD, UnionRDD}
 import org.apache.spark.sql.DataFrame

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RankingMetrics.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RankingMetrics.scala b/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RankingMetrics.scala
index c8ec0c1..c45742c 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RankingMetrics.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RankingMetrics.scala
@@ -22,9 +22,9 @@ import java.{lang => jl}
 import scala.collection.JavaConverters._
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.{JavaRDD, JavaSparkContext}
+import org.apache.spark.internal.Logging
 import org.apache.spark.rdd.RDD
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala b/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala
index 0f4c97e..ef45c9f 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala
@@ -18,10 +18,10 @@
 package org.apache.spark.mllib.evaluation
 
 import org.apache.spark.annotation.Since
-import org.apache.spark.rdd.RDD
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.Vectors
 import org.apache.spark.mllib.stat.{MultivariateOnlineSummarizer, MultivariateStatisticalSummary}
+import org.apache.spark.rdd.RDD
 import org.apache.spark.sql.DataFrame
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/feature/StandardScaler.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/feature/StandardScaler.scala b/mllib/src/main/scala/org/apache/spark/mllib/feature/StandardScaler.scala
index 500187a..5c35e1b 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/feature/StandardScaler.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/feature/StandardScaler.scala
@@ -17,8 +17,8 @@
 
 package org.apache.spark.mllib.feature
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{DeveloperApi, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{DenseVector, SparseVector, Vector, Vectors}
 import org.apache.spark.mllib.stat.MultivariateOnlineSummarizer
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala b/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala
index b046f68..d3356b7 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala
@@ -21,17 +21,16 @@ import java.lang.{Iterable => JavaIterable}
 
 import scala.collection.JavaConverters._
 import scala.collection.mutable
-import scala.collection.mutable.ArrayBuilder
 
 import com.github.fommil.netlib.BLAS.{getInstance => blas}
 import org.json4s.DefaultFormats
 import org.json4s.JsonDSL._
 import org.json4s.jackson.JsonMethods._
 
-import org.apache.spark.Logging
 import org.apache.spark.SparkContext
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Vector, Vectors}
 import org.apache.spark.mllib.util.{Loader, Saveable}
 import org.apache.spark.rdd._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/fpm/AssociationRules.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/fpm/AssociationRules.scala b/mllib/src/main/scala/org/apache/spark/mllib/fpm/AssociationRules.scala
index 790d6b1..5592416 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/fpm/AssociationRules.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/fpm/AssociationRules.scala
@@ -19,10 +19,10 @@ package org.apache.spark.mllib.fpm
 import scala.collection.JavaConverters._
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
 import org.apache.spark.api.java.JavaRDD
 import org.apache.spark.api.java.JavaSparkContext.fakeClassTag
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.fpm.AssociationRules.Rule
 import org.apache.spark.mllib.fpm.FPGrowth.FreqItemset
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/fpm/FPGrowth.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/fpm/FPGrowth.scala b/mllib/src/main/scala/org/apache/spark/mllib/fpm/FPGrowth.scala
index f5b4f25..3f40af8 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/fpm/FPGrowth.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/fpm/FPGrowth.scala
@@ -29,10 +29,11 @@ import org.json4s.DefaultFormats
 import org.json4s.JsonDSL._
 import org.json4s.jackson.JsonMethods.{compact, render}
 
-import org.apache.spark.{HashPartitioner, Logging, Partitioner, SparkContext, SparkException}
+import org.apache.spark.{HashPartitioner, Partitioner, SparkContext, SparkException}
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaRDD
 import org.apache.spark.api.java.JavaSparkContext.fakeClassTag
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.fpm.FPGrowth._
 import org.apache.spark.mllib.util.{Loader, Saveable}
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/fpm/LocalPrefixSpan.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/fpm/LocalPrefixSpan.scala b/mllib/src/main/scala/org/apache/spark/mllib/fpm/LocalPrefixSpan.scala
index 3ea1077..659f875 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/fpm/LocalPrefixSpan.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/fpm/LocalPrefixSpan.scala
@@ -19,7 +19,7 @@ package org.apache.spark.mllib.fpm
 
 import scala.collection.mutable
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 
 /**
  * Calculate all patterns of a projected database in local mode.

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/fpm/PrefixSpan.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/fpm/PrefixSpan.scala b/mllib/src/main/scala/org/apache/spark/mllib/fpm/PrefixSpan.scala
index fd2f8d3..4455681 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/fpm/PrefixSpan.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/fpm/PrefixSpan.scala
@@ -24,10 +24,10 @@ import scala.collection.JavaConverters._
 import scala.collection.mutable
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
 import org.apache.spark.api.java.JavaRDD
 import org.apache.spark.api.java.JavaSparkContext.fakeClassTag
+import org.apache.spark.internal.Logging
 import org.apache.spark.rdd.RDD
 import org.apache.spark.storage.StorageLevel
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/impl/PeriodicCheckpointer.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/impl/PeriodicCheckpointer.scala b/mllib/src/main/scala/org/apache/spark/mllib/impl/PeriodicCheckpointer.scala
index 57ca4d3..391f89a 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/impl/PeriodicCheckpointer.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/impl/PeriodicCheckpointer.scala
@@ -21,7 +21,8 @@ import scala.collection.mutable
 
 import org.apache.hadoop.fs.{FileSystem, Path}
 
-import org.apache.spark.{Logging, SparkContext}
+import org.apache.spark.SparkContext
+import org.apache.spark.internal.Logging
 import org.apache.spark.storage.StorageLevel
 
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/linalg/BLAS.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/linalg/BLAS.scala b/mllib/src/main/scala/org/apache/spark/mllib/linalg/BLAS.scala
index 27a7380..19cc942 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/linalg/BLAS.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/linalg/BLAS.scala
@@ -20,7 +20,7 @@ package org.apache.spark.mllib.linalg
 import com.github.fommil.netlib.{BLAS => NetlibBLAS, F2jBLAS}
 import com.github.fommil.netlib.BLAS.{getInstance => NativeBLAS}
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 
 /**
  * BLAS routines for MLlib's vectors and matrices.

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala b/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala
index 6f0b0a9..89c332a 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala
@@ -21,8 +21,9 @@ import scala.collection.mutable.ArrayBuffer
 
 import breeze.linalg.{DenseMatrix => BDM, Matrix => BM}
 
-import org.apache.spark.{Logging, Partitioner, SparkException}
+import org.apache.spark.{Partitioner, SparkException}
 import org.apache.spark.annotation.Since
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{DenseMatrix, Matrices, Matrix, SparseMatrix}
 import org.apache.spark.rdd.RDD
 import org.apache.spark.storage.StorageLevel

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/RowMatrix.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/RowMatrix.scala b/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/RowMatrix.scala
index 0a36da4..f6183a5 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/RowMatrix.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/RowMatrix.scala
@@ -25,8 +25,8 @@ import breeze.linalg.{axpy => brzAxpy, inv, svd => brzSvd, DenseMatrix => BDM, D
   MatrixSingularException, SparseVector => BSV}
 import breeze.numerics.{sqrt => brzSqrt}
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.Since
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg._
 import org.apache.spark.mllib.stat.{MultivariateOnlineSummarizer, MultivariateStatisticalSummary}
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/optimization/GradientDescent.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/optimization/GradientDescent.scala b/mllib/src/main/scala/org/apache/spark/mllib/optimization/GradientDescent.scala
index 5873669..fbf657b 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/optimization/GradientDescent.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/optimization/GradientDescent.scala
@@ -21,8 +21,8 @@ import scala.collection.mutable.ArrayBuffer
 
 import breeze.linalg.{norm, DenseVector => BDV}
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{DeveloperApi, Experimental}
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Vector, Vectors}
 import org.apache.spark.rdd.RDD
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/optimization/LBFGS.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/optimization/LBFGS.scala b/mllib/src/main/scala/org/apache/spark/mllib/optimization/LBFGS.scala
index e871165..82c2ce4 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/optimization/LBFGS.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/optimization/LBFGS.scala
@@ -22,8 +22,8 @@ import scala.collection.mutable
 import breeze.linalg.{DenseVector => BDV}
 import breeze.optimize.{CachedDiffFunction, DiffFunction, LBFGS => BreezeLBFGS}
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.DeveloperApi
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Vector, Vectors}
 import org.apache.spark.mllib.linalg.BLAS.axpy
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala
index a7a843a..c5b02d6 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala
@@ -17,9 +17,9 @@
 
 package org.apache.spark.mllib.recommendation
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{DeveloperApi, Since}
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.ml.recommendation.{ALS => NewALS}
 import org.apache.spark.rdd.RDD
 import org.apache.spark.storage.StorageLevel

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala
index c91729a..6f780b0 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala
@@ -29,9 +29,10 @@ import org.json4s._
 import org.json4s.JsonDSL._
 import org.json4s.jackson.JsonMethods._
 
-import org.apache.spark.{Logging, SparkContext}
+import org.apache.spark.SparkContext
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.{JavaPairRDD, JavaRDD}
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg._
 import org.apache.spark.mllib.rdd.MLPairRDDFunctions._
 import org.apache.spark.mllib.util.{Loader, Saveable}

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/regression/GeneralizedLinearAlgorithm.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/regression/GeneralizedLinearAlgorithm.scala b/mllib/src/main/scala/org/apache/spark/mllib/regression/GeneralizedLinearAlgorithm.scala
index f7e3c5c..4d5aaf1 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/regression/GeneralizedLinearAlgorithm.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/regression/GeneralizedLinearAlgorithm.scala
@@ -17,8 +17,9 @@
 
 package org.apache.spark.mllib.regression
 
-import org.apache.spark.{Logging, SparkException}
+import org.apache.spark.SparkException
 import org.apache.spark.annotation.{DeveloperApi, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.feature.StandardScaler
 import org.apache.spark.mllib.linalg.{Vector, Vectors}
 import org.apache.spark.mllib.optimization._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/regression/StreamingLinearAlgorithm.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/regression/StreamingLinearAlgorithm.scala b/mllib/src/main/scala/org/apache/spark/mllib/regression/StreamingLinearAlgorithm.scala
index 73948b2..46deb54 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/regression/StreamingLinearAlgorithm.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/regression/StreamingLinearAlgorithm.scala
@@ -19,9 +19,9 @@ package org.apache.spark.mllib.regression
 
 import scala.reflect.ClassTag
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{DeveloperApi, Since}
 import org.apache.spark.api.java.JavaSparkContext.fakeClassTag
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.Vector
 import org.apache.spark.streaming.api.java.{JavaDStream, JavaPairDStream}
 import org.apache.spark.streaming.dstream.DStream

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/PearsonCorrelation.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/PearsonCorrelation.scala b/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/PearsonCorrelation.scala
index 8a821d1..f131f69 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/PearsonCorrelation.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/PearsonCorrelation.scala
@@ -19,7 +19,7 @@ package org.apache.spark.mllib.stat.correlation
 
 import breeze.linalg.{DenseMatrix => BDM}
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Matrices, Matrix, Vector}
 import org.apache.spark.mllib.linalg.distributed.RowMatrix
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/SpearmanCorrelation.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/SpearmanCorrelation.scala b/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/SpearmanCorrelation.scala
index fc684d7..b760347 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/SpearmanCorrelation.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/stat/correlation/SpearmanCorrelation.scala
@@ -19,7 +19,7 @@ package org.apache.spark.mllib.stat.correlation
 
 import scala.collection.mutable.ArrayBuffer
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Matrix, Vector, Vectors}
 import org.apache.spark.rdd.RDD
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/ChiSqTest.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/ChiSqTest.scala b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/ChiSqTest.scala
index 4a3fb064..76ca6a8 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/ChiSqTest.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/ChiSqTest.scala
@@ -22,7 +22,8 @@ import scala.collection.mutable
 import breeze.linalg.{DenseMatrix => BDM}
 import org.apache.commons.math3.distribution.ChiSquaredDistribution
 
-import org.apache.spark.{Logging, SparkException}
+import org.apache.spark.SparkException
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.{Matrices, Matrix, Vector, Vectors}
 import org.apache.spark.mllib.regression.LabeledPoint
 import org.apache.spark.rdd.RDD

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/KolmogorovSmirnovTest.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/KolmogorovSmirnovTest.scala b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/KolmogorovSmirnovTest.scala
index 2b3ed6d..baf9e5e 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/KolmogorovSmirnovTest.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/KolmogorovSmirnovTest.scala
@@ -22,7 +22,7 @@ import scala.annotation.varargs
 import org.apache.commons.math3.distribution.{NormalDistribution, RealDistribution}
 import org.apache.commons.math3.stat.inference.{KolmogorovSmirnovTest => CommonMathKolmogorovSmirnovTest}
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.rdd.RDD
 
 /**

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTest.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTest.scala b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTest.scala
index e990fe0..4c382d7 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTest.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTest.scala
@@ -19,8 +19,8 @@ package org.apache.spark.mllib.stat.test
 
 import scala.beans.BeanInfo
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{Experimental, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.streaming.api.java.JavaDStream
 import org.apache.spark.streaming.dstream.DStream
 import org.apache.spark.util.StatCounter

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTestMethod.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTestMethod.scala b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTestMethod.scala
index 911b4b9..ff27f28 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTestMethod.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/stat/test/StreamingTestMethod.scala
@@ -26,7 +26,7 @@ import com.twitter.chill.MeatLocker
 import org.apache.commons.math3.stat.descriptive.StatisticalSummaryValues
 import org.apache.commons.math3.stat.inference.TTest
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.streaming.dstream.DStream
 import org.apache.spark.util.StatCounter
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/tree/DecisionTree.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/tree/DecisionTree.scala b/mllib/src/main/scala/org/apache/spark/mllib/tree/DecisionTree.scala
index 76c3220..18f66e6 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/DecisionTree.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/DecisionTree.scala
@@ -21,9 +21,9 @@ import scala.annotation.tailrec
 import scala.collection.JavaConverters._
 import scala.collection.mutable
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.regression.LabeledPoint
 import org.apache.spark.mllib.tree.RandomForest.NodeIndexInfo
 import org.apache.spark.mllib.tree.configuration.Algo._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/tree/GradientBoostedTrees.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/tree/GradientBoostedTrees.scala b/mllib/src/main/scala/org/apache/spark/mllib/tree/GradientBoostedTrees.scala
index d131f5d..eb40fb0 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/GradientBoostedTrees.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/GradientBoostedTrees.scala
@@ -17,9 +17,9 @@
 
 package org.apache.spark.mllib.tree
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.impl.PeriodicRDDCheckpointer
 import org.apache.spark.mllib.regression.LabeledPoint
 import org.apache.spark.mllib.tree.configuration.Algo._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/tree/RandomForest.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/tree/RandomForest.scala b/mllib/src/main/scala/org/apache/spark/mllib/tree/RandomForest.scala
index b7714b3..ec4c034 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/RandomForest.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/RandomForest.scala
@@ -22,9 +22,9 @@ import java.io.IOException
 import scala.collection.mutable
 import scala.collection.JavaConverters._
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.regression.LabeledPoint
 import org.apache.spark.mllib.tree.configuration.Algo._
 import org.apache.spark.mllib.tree.configuration.QuantileStrategy._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/tree/impl/DecisionTreeMetadata.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/tree/impl/DecisionTreeMetadata.scala b/mllib/src/main/scala/org/apache/spark/mllib/tree/impl/DecisionTreeMetadata.scala
index 21ee49c..df13d29 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/impl/DecisionTreeMetadata.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/impl/DecisionTreeMetadata.scala
@@ -19,7 +19,7 @@ package org.apache.spark.mllib.tree.impl
 
 import scala.collection.mutable
 
-import org.apache.spark.Logging
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.regression.LabeledPoint
 import org.apache.spark.mllib.tree.configuration.Algo._
 import org.apache.spark.mllib.tree.configuration.QuantileStrategy._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/tree/model/DecisionTreeModel.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/tree/model/DecisionTreeModel.scala b/mllib/src/main/scala/org/apache/spark/mllib/tree/model/DecisionTreeModel.scala
index e007ee1..ea68ff6 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/model/DecisionTreeModel.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/model/DecisionTreeModel.scala
@@ -23,9 +23,10 @@ import org.json4s._
 import org.json4s.JsonDSL._
 import org.json4s.jackson.JsonMethods._
 
-import org.apache.spark.{Logging, SparkContext}
+import org.apache.spark.SparkContext
 import org.apache.spark.annotation.Since
 import org.apache.spark.api.java.JavaRDD
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.Vector
 import org.apache.spark.mllib.tree.configuration.{Algo, FeatureType}
 import org.apache.spark.mllib.tree.configuration.Algo._

http://git-wip-us.apache.org/repos/asf/spark/blob/8ef3399a/mllib/src/main/scala/org/apache/spark/mllib/tree/model/Node.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/tree/model/Node.scala b/mllib/src/main/scala/org/apache/spark/mllib/tree/model/Node.scala
index b373c2d..114a33a 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/model/Node.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/model/Node.scala
@@ -17,8 +17,8 @@
 
 package org.apache.spark.mllib.tree.model
 
-import org.apache.spark.Logging
 import org.apache.spark.annotation.{DeveloperApi, Since}
+import org.apache.spark.internal.Logging
 import org.apache.spark.mllib.linalg.Vector
 import org.apache.spark.mllib.tree.configuration.FeatureType._
 


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